./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-100-1-6-unsat-3.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-100-1-6-unsat-3.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 d30251847c471692a2c7cfaf060cedad53374742a61982ae6df13e30693da17d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 06:40:20,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 06:40:20,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 06:40:20,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 06:40:20,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 06:40:20,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 06:40:20,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 06:40:20,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 06:40:20,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 06:40:20,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 06:40:20,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 06:40:20,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 06:40:20,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 06:40:20,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 06:40:20,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 06:40:20,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 06:40:20,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 06:40:20,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 06:40:20,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 06:40:20,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 06:40:20,576 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 06:40:20,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 06:40:20,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 06:40:20,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 06:40:20,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 06:40:20,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 06:40:20,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 06:40:20,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 06:40:20,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 06:40:20,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 06:40:20,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 06:40:20,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 06:40:20,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 06:40:20,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 06:40:20,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 06:40:20,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 06:40:20,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 06:40:20,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 06:40:20,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 06:40:20,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 06:40:20,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 06:40:20,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 06:40:20,604 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 06:40:20,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 06:40:20,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 06:40:20,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 06:40:20,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 06:40:20,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 06:40:20,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 06:40:20,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 06:40:20,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 06:40:20,630 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 06:40:20,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 06:40:20,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 06:40:20,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 06:40:20,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 06:40:20,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 06:40:20,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 06:40:20,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 06:40:20,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 06:40:20,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 06:40:20,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 06:40:20,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 06:40:20,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 06:40:20,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 06:40:20,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 06:40:20,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 06:40:20,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 06:40:20,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 06:40:20,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 06:40:20,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 06:40:20,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 06:40:20,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 06:40:20,643 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 06:40:20,644 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 06:40:20,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 06:40:20,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d30251847c471692a2c7cfaf060cedad53374742a61982ae6df13e30693da17d [2022-07-21 06:40:20,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 06:40:20,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 06:40:20,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 06:40:20,927 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 06:40:20,927 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 06:40:20,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-100-1-6-unsat-3.c [2022-07-21 06:40:21,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34109fdd/d1536c2c93cf486696f3d91936c4fb22/FLAG3dd981270 [2022-07-21 06:40:21,437 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 06:40:21,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-1-6-unsat-3.c [2022-07-21 06:40:21,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34109fdd/d1536c2c93cf486696f3d91936c4fb22/FLAG3dd981270 [2022-07-21 06:40:21,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b34109fdd/d1536c2c93cf486696f3d91936c4fb22 [2022-07-21 06:40:21,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 06:40:21,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 06:40:21,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 06:40:21,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 06:40:21,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 06:40:21,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:40:21" (1/1) ... [2022-07-21 06:40:21,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a49c042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:21, skipping insertion in model container [2022-07-21 06:40:21,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:40:21" (1/1) ... [2022-07-21 06:40:21,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 06:40:21,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 06:40:22,133 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-100-1-6-unsat-3.c[18875,18888] [2022-07-21 06:40:22,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 06:40:22,146 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 06:40:22,233 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-100-1-6-unsat-3.c[18875,18888] [2022-07-21 06:40:22,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 06:40:22,259 INFO L208 MainTranslator]: Completed translation [2022-07-21 06:40:22,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22 WrapperNode [2022-07-21 06:40:22,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 06:40:22,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 06:40:22,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 06:40:22,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 06:40:22,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,383 INFO L137 Inliner]: procedures = 13, calls = 359, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 769 [2022-07-21 06:40:22,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 06:40:22,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 06:40:22,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 06:40:22,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 06:40:22,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 06:40:22,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 06:40:22,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 06:40:22,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 06:40:22,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (1/1) ... [2022-07-21 06:40:22,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 06:40:22,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 06:40:22,496 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 06:40:22,513 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 06:40:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 06:40:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 06:40:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 06:40:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 06:40:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-21 06:40:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-21 06:40:22,609 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 06:40:22,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 06:40:23,166 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 06:40:23,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 06:40:23,180 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 06:40:23,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:40:23 BoogieIcfgContainer [2022-07-21 06:40:23,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 06:40:23,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 06:40:23,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 06:40:23,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 06:40:23,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 06:40:21" (1/3) ... [2022-07-21 06:40:23,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ed7adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:40:23, skipping insertion in model container [2022-07-21 06:40:23,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:40:22" (2/3) ... [2022-07-21 06:40:23,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ed7adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:40:23, skipping insertion in model container [2022-07-21 06:40:23,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:40:23" (3/3) ... [2022-07-21 06:40:23,187 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-1-6-unsat-3.c [2022-07-21 06:40:23,213 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 06:40:23,213 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 06:40:23,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 06:40:23,291 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@509681b9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7c6b4d0b [2022-07-21 06:40:23,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 06:40:23,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 463 states, 108 states have (on average 1.0185185185185186) internal successors, (110), 109 states have internal predecessors, (110), 352 states have call successors, (352), 1 states have call predecessors, (352), 1 states have return successors, (352), 352 states have call predecessors, (352), 352 states have call successors, (352) [2022-07-21 06:40:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1864 [2022-07-21 06:40:23,404 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:40:23,406 INFO L195 NwaCegarLoop]: trace histogram [352, 352, 352, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:40:23,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 06:40:23,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:40:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash -126440546, now seen corresponding path program 1 times [2022-07-21 06:40:23,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:40:23,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261593201] [2022-07-21 06:40:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:40:23,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:40:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat