./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-200-1-6-sat-1.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-1.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 737ab32b6e140f9d7a67c48caa3307f2650f8dd313bf1d7771d71b33c77f29d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:11:06,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:11:06,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:11:06,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:11:06,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:11:06,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:11:06,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:11:06,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:11:06,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:11:06,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:11:06,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:11:06,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:11:06,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:11:06,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:11:06,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:11:06,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:11:06,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:11:06,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:11:06,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:11:06,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:11:06,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:11:06,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:11:06,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:11:06,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:11:06,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:11:06,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:11:06,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:11:06,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:11:06,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:11:06,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:11:06,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:11:06,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:11:06,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:11:06,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:11:06,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:11:06,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:11:06,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:11:06,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:11:06,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:11:06,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:11:06,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:11:06,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 19:11:06,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:11:06,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:11:06,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:11:06,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:11:06,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:11:06,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:11:06,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:11:06,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:11:06,220 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:11:06,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:11:06,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:11:06,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 19:11:06,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:11:06,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:11:06,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:11:06,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:11:06,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:11:06,222 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:11:06,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:11:06,223 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:11:06,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:11:06,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:11:06,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:11:06,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:11:06,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:06,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:11:06,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:11:06,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:11:06,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 19:11:06,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 19:11:06,225 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:11:06,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:11:06,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:11:06,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 737ab32b6e140f9d7a67c48caa3307f2650f8dd313bf1d7771d71b33c77f29d7 [2022-02-20 19:11:06,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:11:06,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:11:06,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:11:06,437 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:11:06,438 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:11:06,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-200-1-6-sat-1.c [2022-02-20 19:11:06,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/486431632/42a9cb90e1b945a9a4701ddc704c3325/FLAG09fc539ad [2022-02-20 19:11:06,969 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:11:06,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-200-1-6-sat-1.c [2022-02-20 19:11:06,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/486431632/42a9cb90e1b945a9a4701ddc704c3325/FLAG09fc539ad [2022-02-20 19:11:07,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/486431632/42a9cb90e1b945a9a4701ddc704c3325 [2022-02-20 19:11:07,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:11:07,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:11:07,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:07,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:11:07,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:11:07,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f396b11 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 19:11:07,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:11:07,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:11:07,456 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-1.c[38242,38255] [2022-02-20 19:11:07,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:07,496 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:11:07,638 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-1.c[38242,38255] [2022-02-20 19:11:07,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:07,652 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:11:07,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07 WrapperNode [2022-02-20 19:11:07,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:07,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:07,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:11:07,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:11:07,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,797 INFO L137 Inliner]: procedures = 13, calls = 722, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1532 [2022-02-20 19:11:07,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:07,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:11:07,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:11:07,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:11:07,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:11:07,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:11:07,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:11:07,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:11:07,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:07,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:11:07,936 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 19:11:07,954 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 19:11:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:11:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:11:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:11:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 19:11:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-02-20 19:11:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-02-20 19:11:08,134 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:11:08,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:11:09,498 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:11:09,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:11:09,510 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 19:11:09,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:09 BoogieIcfgContainer [2022-02-20 19:11:09,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 19:11:09,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 19:11:09,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 19:11:09,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 19:11:09,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:11:07" (1/3) ... [2022-02-20 19:11:09,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3ce6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:09, skipping insertion in model container [2022-02-20 19:11:09,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07" (2/3) ... [2022-02-20 19:11:09,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3ce6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:09, skipping insertion in model container [2022-02-20 19:11:09,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:09" (3/3) ... [2022-02-20 19:11:09,534 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-200-1-6-sat-1.c [2022-02-20 19:11:09,538 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 19:11:09,538 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 19:11:09,583 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 19:11:09,593 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 19:11:09,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 19:11:09,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 926 states, 208 states have (on average 1.0096153846153846) internal successors, (210), 209 states have internal predecessors, (210), 715 states have call successors, (715), 1 states have call predecessors, (715), 1 states have return successors, (715), 715 states have call predecessors, (715), 715 states have call successors, (715) [2022-02-20 19:11:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3779 [2022-02-20 19:11:09,857 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:11:09,859 INFO L514 BasicCegarLoop]: trace histogram [715, 715, 715, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-02-20 19:11:09,860 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:11:09,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:11:09,864 INFO L85 PathProgramCache]: Analyzing trace with hash 659609159, now seen corresponding path program 1 times [2022-02-20 19:11:09,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:11:09,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787834105] [2022-02-20 19:11:09,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:11:09,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:11:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:11:24,476 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 19:11:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:11:39,914 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 19:11:39,916 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 19:11:39,917 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 19:11:39,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 19:11:39,921 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 19:11:39,925 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 19:11:40,503 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 19:11:40,504 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 19:11:40,510 INFO L158 Benchmark]: Toolchain (without parser) took 33484.81ms. Allocated memory was 100.7MB in the beginning and 679.5MB in the end (delta: 578.8MB). Free memory was 64.5MB in the beginning and 244.5MB in the end (delta: -180.1MB). Peak memory consumption was 540.0MB. Max. memory is 16.1GB. [2022-02-20 19:11:40,511 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 19:11:40,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.97ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 64.3MB in the beginning and 101.8MB in the end (delta: -37.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2022-02-20 19:11:40,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.87ms. Allocated memory is still 140.5MB. Free memory was 101.8MB in the beginning and 76.3MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-02-20 19:11:40,513 INFO L158 Benchmark]: Boogie Preprocessor took 83.00ms. Allocated memory is still 140.5MB. Free memory was 76.3MB in the beginning and 65.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 19:11:40,516 INFO L158 Benchmark]: RCFGBuilder took 1647.05ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 65.8MB in the beginning and 125.9MB in the end (delta: -60.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-02-20 19:11:40,517 INFO L158 Benchmark]: TraceAbstraction took 30979.53ms. Allocated memory was 207.6MB in the beginning and 679.5MB in the end (delta: 471.9MB). Free memory was 124.9MB in the beginning and 244.5MB in the end (delta: -119.7MB). Peak memory consumption was 493.7MB. Max. memory is 16.1GB. [2022-02-20 19:11:40,522 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 0.16ms. Allocated memory is still 100.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.97ms. Allocated memory was 100.7MB in the beginning and 140.5MB in the end (delta: 39.8MB). Free memory was 64.3MB in the beginning and 101.8MB in the end (delta: -37.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.87ms. Allocated memory is still 140.5MB. Free memory was 101.8MB in the beginning and 76.3MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.00ms. Allocated memory is still 140.5MB. Free memory was 76.3MB in the beginning and 65.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1647.05ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 65.8MB in the beginning and 125.9MB in the end (delta: -60.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 30979.53ms. Allocated memory was 207.6MB in the beginning and 679.5MB in the end (delta: 471.9MB). Free memory was 124.9MB in the beginning and 244.5MB in the end (delta: -119.7MB). Peak memory consumption was 493.7MB. 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 19:11:40,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-1.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 737ab32b6e140f9d7a67c48caa3307f2650f8dd313bf1d7771d71b33c77f29d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:11:42,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:11:42,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:11:42,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:11:42,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:11:42,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:11:42,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:11:42,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:11:42,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:11:42,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:11:42,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:11:42,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:11:42,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:11:42,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:11:42,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:11:42,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:11:42,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:11:42,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:11:42,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:11:42,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:11:42,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:11:42,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:11:42,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:11:42,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:11:42,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:11:42,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:11:42,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:11:42,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:11:42,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:11:42,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:11:42,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:11:42,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:11:42,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:11:42,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:11:42,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:11:42,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:11:42,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:11:42,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:11:42,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:11:42,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:11:42,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:11:42,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 19:11:42,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:11:42,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:11:42,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:11:42,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:11:42,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:11:42,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:11:42,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:11:42,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:11:42,497 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:11:42,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:11:42,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:11:42,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:11:42,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:11:42,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:11:42,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:11:42,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:11:42,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 19:11:42,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 19:11:42,499 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 19:11:42,499 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:11:42,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:11:42,499 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:11:42,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:11:42,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:11:42,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:11:42,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:11:42,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:42,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:11:42,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:11:42,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:11:42,501 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 19:11:42,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 19:11:42,501 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:11:42,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:11:42,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:11:42,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 19:11:42,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 737ab32b6e140f9d7a67c48caa3307f2650f8dd313bf1d7771d71b33c77f29d7 [2022-02-20 19:11:42,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:11:42,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:11:42,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:11:42,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:11:42,900 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:11:42,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-200-1-6-sat-1.c [2022-02-20 19:11:42,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3f10f9c/28bbd70eafec409788114b388abf0c26/FLAG219e7345a [2022-02-20 19:11:43,427 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:11:43,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-200-1-6-sat-1.c [2022-02-20 19:11:43,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3f10f9c/28bbd70eafec409788114b388abf0c26/FLAG219e7345a [2022-02-20 19:11:43,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3f10f9c/28bbd70eafec409788114b388abf0c26 [2022-02-20 19:11:43,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:11:43,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:11:43,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:43,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:11:43,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:11:43,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:43" (1/1) ... [2022-02-20 19:11:43,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b101eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:43, skipping insertion in model container [2022-02-20 19:11:43,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:43" (1/1) ... [2022-02-20 19:11:43,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:11:43,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:11:44,384 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-1.c[38242,38255] [2022-02-20 19:11:44,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:44,410 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:11:44,520 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-1.c[38242,38255] [2022-02-20 19:11:44,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:44,533 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:11:44,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44 WrapperNode [2022-02-20 19:11:44,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:44,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:44,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:11:44,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:11:44,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,676 INFO L137 Inliner]: procedures = 13, calls = 722, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1332 [2022-02-20 19:11:44,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:44,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:11:44,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:11:44,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:11:44,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:11:44,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:11:44,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:11:44,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:11:44,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (1/1) ... [2022-02-20 19:11:44,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:44,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:11:44,779 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 19:11:44,786 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 19:11:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:11:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:11:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:11:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 19:11:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-02-20 19:11:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-02-20 19:11:44,960 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:11:44,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:11:45,907 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:11:45,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:11:45,924 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 19:11:45,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:45 BoogieIcfgContainer [2022-02-20 19:11:45,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 19:11:45,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 19:11:45,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 19:11:45,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 19:11:45,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:11:43" (1/3) ... [2022-02-20 19:11:45,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428d6e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:45, skipping insertion in model container [2022-02-20 19:11:45,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:44" (2/3) ... [2022-02-20 19:11:45,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428d6e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:45, skipping insertion in model container [2022-02-20 19:11:45,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:45" (3/3) ... [2022-02-20 19:11:45,946 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-200-1-6-sat-1.c [2022-02-20 19:11:45,950 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 19:11:45,951 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 19:11:45,996 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 19:11:46,001 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 19:11:46,001 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 19:11:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 926 states, 208 states have (on average 1.0096153846153846) internal successors, (210), 209 states have internal predecessors, (210), 715 states have call successors, (715), 1 states have call predecessors, (715), 1 states have return successors, (715), 715 states have call predecessors, (715), 715 states have call successors, (715) [2022-02-20 19:11:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3779 [2022-02-20 19:11:46,269 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:11:46,271 INFO L514 BasicCegarLoop]: trace histogram [715, 715, 715, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-02-20 19:11:46,272 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:11:46,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:11:46,278 INFO L85 PathProgramCache]: Analyzing trace with hash 659609159, now seen corresponding path program 1 times [2022-02-20 19:11:46,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 19:11:46,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789836019] [2022-02-20 19:11:46,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:11:46,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 19:11:46,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 19:11:46,321 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 19:11:46,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 19:12:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:12:00,756 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.