./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.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-100-3-4-sat-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 4c2b9f52a1a639d71435d2524392fe5577e1a3067892bcc126266921668b4aff --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:10:53,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:10:53,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:10:53,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:10:53,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:10:53,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:10:53,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:10:53,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:10:53,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:10:53,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:10:53,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:10:53,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:10:53,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:10:53,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:10:53,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:10:53,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:10:53,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:10:53,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:10:53,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:10:53,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:10:53,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:10:53,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:10:53,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:10:53,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:10:53,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:10:53,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:10:53,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:10:53,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:10:53,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:10:53,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:10:53,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:10:53,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:10:53,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:10:53,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:10:53,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:10:53,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:10:53,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:10:53,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:10:53,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:10:53,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:10:53,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:10:53,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 19:10:53,173 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:10:53,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:10:53,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:10:53,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:10:53,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:10:53,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:10:53,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:10:53,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:10:53,176 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:10:53,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:10:53,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:10:53,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 19:10:53,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:10:53,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:10:53,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:10:53,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:10:53,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:10:53,178 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:10:53,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:10:53,179 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:10:53,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:10:53,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:10:53,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:10:53,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:10:53,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:10:53,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:10:53,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:10:53,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:10:53,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 19:10:53,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 19:10:53,182 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:10:53,182 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:10:53,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:10:53,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c2b9f52a1a639d71435d2524392fe5577e1a3067892bcc126266921668b4aff [2022-02-20 19:10:53,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:10:53,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:10:53,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:10:53,473 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:10:53,473 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:10:53,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c [2022-02-20 19:10:53,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72dac08ad/63bc100137e34a1eb0600b199003eea0/FLAG9f9a277e8 [2022-02-20 19:10:54,045 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:10:54,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c [2022-02-20 19:10:54,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72dac08ad/63bc100137e34a1eb0600b199003eea0/FLAG9f9a277e8 [2022-02-20 19:10:54,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72dac08ad/63bc100137e34a1eb0600b199003eea0 [2022-02-20 19:10:54,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:10:54,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:10:54,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:10:54,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:10:54,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:10:54,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:54,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de85e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54, skipping insertion in model container [2022-02-20 19:10:54,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:54,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:10:54,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:10:54,838 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-100-3-4-sat-3.c[29097,29110] [2022-02-20 19:10:54,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:10:54,861 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:10:54,945 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-100-3-4-sat-3.c[29097,29110] [2022-02-20 19:10:54,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:10:54,990 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:10:54,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54 WrapperNode [2022-02-20 19:10:54,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:10:54,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:10:54,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:10:54,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:10:54,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,167 INFO L137 Inliner]: procedures = 13, calls = 519, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 929 [2022-02-20 19:10:55,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:10:55,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:10:55,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:10:55,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:10:55,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:10:55,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:10:55,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:10:55,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:10:55,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (1/1) ... [2022-02-20 19:10:55,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:10:55,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:10:55,376 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 19:10:55,388 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 19:10:55,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:10:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:10:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:10:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 19:10:55,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-02-20 19:10:55,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-02-20 19:10:55,564 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:10:55,572 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:10:56,784 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:10:56,803 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:10:56,803 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 19:10:56,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:10:56 BoogieIcfgContainer [2022-02-20 19:10:56,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 19:10:56,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 19:10:56,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 19:10:56,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 19:10:56,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:10:54" (1/3) ... [2022-02-20 19:10:56,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202fa828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:10:56, skipping insertion in model container [2022-02-20 19:10:56,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:10:54" (2/3) ... [2022-02-20 19:10:56,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202fa828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:10:56, skipping insertion in model container [2022-02-20 19:10:56,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:10:56" (3/3) ... [2022-02-20 19:10:56,814 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-3-4-sat-3.c [2022-02-20 19:10:56,821 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 19:10:56,821 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 19:10:56,879 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 19:10:56,887 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 19:10:56,887 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 19:10:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 623 states, 108 states have (on average 1.0185185185185186) internal successors, (110), 109 states have internal predecessors, (110), 512 states have call successors, (512), 1 states have call predecessors, (512), 1 states have return successors, (512), 512 states have call predecessors, (512), 512 states have call successors, (512) [2022-02-20 19:10:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2664 [2022-02-20 19:10:57,148 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:10:57,150 INFO L514 BasicCegarLoop]: trace histogram [512, 512, 512, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:10:57,151 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:10:57,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:10:57,156 INFO L85 PathProgramCache]: Analyzing trace with hash -534613762, now seen corresponding path program 1 times [2022-02-20 19:10:57,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:10:57,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484170907] [2022-02-20 19:10:57,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:10:57,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:11:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:11:11,785 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 19:11:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:11:24,496 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 19:11:24,498 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 19:11:24,499 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 19:11:24,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 19:11:24,503 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 19:11:24,509 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 19:11:24,962 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 19:11:24,963 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 19:11:24,968 INFO L158 Benchmark]: Toolchain (without parser) took 30599.68ms. Allocated memory was 86.0MB in the beginning and 463.5MB in the end (delta: 377.5MB). Free memory was 49.7MB in the beginning and 325.2MB in the end (delta: -275.5MB). Peak memory consumption was 357.5MB. Max. memory is 16.1GB. [2022-02-20 19:11:24,968 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 19:11:24,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.88ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 77.5MB in the end (delta: -28.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-02-20 19:11:24,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.75ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 44.4MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-02-20 19:11:24,971 INFO L158 Benchmark]: Boogie Preprocessor took 176.93ms. Allocated memory is still 104.9MB. Free memory was 44.4MB in the beginning and 54.0MB in the end (delta: -9.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 19:11:24,975 INFO L158 Benchmark]: RCFGBuilder took 1459.71ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 54.0MB in the beginning and 110.3MB in the end (delta: -56.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2022-02-20 19:11:24,976 INFO L158 Benchmark]: TraceAbstraction took 28158.89ms. Allocated memory was 209.7MB in the beginning and 463.5MB in the end (delta: 253.8MB). Free memory was 110.3MB in the beginning and 325.2MB in the end (delta: -214.9MB). Peak memory consumption was 294.6MB. Max. memory is 16.1GB. [2022-02-20 19:11:24,982 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 86.0MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.88ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 77.5MB in the end (delta: -28.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.75ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 44.4MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.93ms. Allocated memory is still 104.9MB. Free memory was 44.4MB in the beginning and 54.0MB in the end (delta: -9.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1459.71ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 54.0MB in the beginning and 110.3MB in the end (delta: -56.3MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28158.89ms. Allocated memory was 209.7MB in the beginning and 463.5MB in the end (delta: 253.8MB). Free memory was 110.3MB in the beginning and 325.2MB in the end (delta: -214.9MB). Peak memory consumption was 294.6MB. 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 19:11:25,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.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 4c2b9f52a1a639d71435d2524392fe5577e1a3067892bcc126266921668b4aff --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:11:26,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:11:26,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:11:26,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:11:26,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:11:26,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:11:26,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:11:26,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:11:26,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:11:26,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:11:26,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:11:26,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:11:26,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:11:26,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:11:26,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:11:26,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:11:26,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:11:26,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:11:26,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:11:26,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:11:26,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:11:26,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:11:26,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:11:26,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:11:26,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:11:26,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:11:26,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:11:26,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:11:26,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:11:26,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:11:26,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:11:26,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:11:26,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:11:26,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:11:26,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:11:26,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:11:26,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:11:26,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:11:26,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:11:26,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:11:26,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:11:26,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 19:11:26,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:11:26,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:11:26,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:11:26,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:11:26,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:11:26,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:11:26,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:11:26,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:11:26,972 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:11:26,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:11:26,973 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:11:26,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:11:26,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:11:26,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:11:26,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:11:26,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:11:26,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 19:11:26,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 19:11:26,974 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 19:11:26,974 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:11:26,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:11:26,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:11:26,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:11:26,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:11:26,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:11:26,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:11:26,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:26,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:11:26,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:11:26,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:11:26,985 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 19:11:26,986 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 19:11:26,986 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:11:26,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:11:26,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:11:26,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 19:11:26,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c2b9f52a1a639d71435d2524392fe5577e1a3067892bcc126266921668b4aff [2022-02-20 19:11:27,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:11:27,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:11:27,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:11:27,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:11:27,302 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:11:27,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c [2022-02-20 19:11:27,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92b230e16/9fd9eb50167f461391f36aee097a0361/FLAGf8d761058 [2022-02-20 19:11:27,900 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:11:27,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-3-4-sat-3.c [2022-02-20 19:11:27,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92b230e16/9fd9eb50167f461391f36aee097a0361/FLAGf8d761058 [2022-02-20 19:11:28,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92b230e16/9fd9eb50167f461391f36aee097a0361 [2022-02-20 19:11:28,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:11:28,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:11:28,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:28,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:11:28,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:11:28,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:28,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a34bb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28, skipping insertion in model container [2022-02-20 19:11:28,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:28,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:11:28,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:11:28,808 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-100-3-4-sat-3.c[29097,29110] [2022-02-20 19:11:28,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:28,830 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:11:28,930 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-100-3-4-sat-3.c[29097,29110] [2022-02-20 19:11:28,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:28,958 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:11:28,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28 WrapperNode [2022-02-20 19:11:28,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:28,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:28,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:11:28,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:11:28,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,119 INFO L137 Inliner]: procedures = 13, calls = 519, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 829 [2022-02-20 19:11:29,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:29,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:11:29,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:11:29,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:11:29,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:11:29,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:11:29,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:11:29,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:11:29,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (1/1) ... [2022-02-20 19:11:29,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:29,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:11:29,248 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 19:11:29,261 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 19:11:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:11:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:11:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:11:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 19:11:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-02-20 19:11:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-02-20 19:11:29,431 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:11:29,433 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:11:30,207 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:11:30,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:11:30,220 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 19:11:30,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:30 BoogieIcfgContainer [2022-02-20 19:11:30,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 19:11:30,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 19:11:30,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 19:11:30,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 19:11:30,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:11:28" (1/3) ... [2022-02-20 19:11:30,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c38d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:30, skipping insertion in model container [2022-02-20 19:11:30,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:28" (2/3) ... [2022-02-20 19:11:30,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c38d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:30, skipping insertion in model container [2022-02-20 19:11:30,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:30" (3/3) ... [2022-02-20 19:11:30,228 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-3-4-sat-3.c [2022-02-20 19:11:30,232 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 19:11:30,232 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 19:11:30,282 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 19:11:30,287 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 19:11:30,287 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 19:11:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 623 states, 108 states have (on average 1.0185185185185186) internal successors, (110), 109 states have internal predecessors, (110), 512 states have call successors, (512), 1 states have call predecessors, (512), 1 states have return successors, (512), 512 states have call predecessors, (512), 512 states have call successors, (512) [2022-02-20 19:11:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2664 [2022-02-20 19:11:30,533 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:11:30,535 INFO L514 BasicCegarLoop]: trace histogram [512, 512, 512, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:30,536 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:11:30,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:11:30,542 INFO L85 PathProgramCache]: Analyzing trace with hash -534613762, now seen corresponding path program 1 times [2022-02-20 19:11:30,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 19:11:30,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340984602] [2022-02-20 19:11:30,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:11:30,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 19:11:30,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 19:11:30,569 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 19:11:30,570 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 19:11:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:11:35,026 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 19:11:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:11:41,779 INFO L138 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-02-20 19:11:41,781 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 19:11:41,782 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 19:11:41,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-02-20 19:11:41,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 19:11:41,987 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 19:11:41,991 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 19:11:42,483 FATAL L489 DefaultTranslator]: Callstack has procedure call flag but succeeding procedure is empty at [CALL] call assume((if ~bvsge32(~var0~0, 0bv32) then 1bv32 else 0bv32)); [2022-02-20 19:11:42,484 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.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) 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 19:11:42,504 INFO L158 Benchmark]: Toolchain (without parser) took 14125.25ms. Allocated memory was 50.3MB in the beginning and 224.4MB in the end (delta: 174.1MB). Free memory was 25.3MB in the beginning and 112.8MB in the end (delta: -87.5MB). Peak memory consumption was 146.1MB. Max. memory is 16.1GB. [2022-02-20 19:11:42,505 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 19:11:42,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.51ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.1MB in the beginning and 34.9MB in the end (delta: -9.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-02-20 19:11:42,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.21ms. Allocated memory is still 60.8MB. Free memory was 34.9MB in the beginning and 31.7MB in the end (delta: 3.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-02-20 19:11:42,508 INFO L158 Benchmark]: Boogie Preprocessor took 92.45ms. Allocated memory is still 60.8MB. Free memory was 31.7MB in the beginning and 24.9MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 19:11:42,508 INFO L158 Benchmark]: RCFGBuilder took 1009.21ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 24.9MB in the beginning and 35.3MB in the end (delta: -10.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-02-20 19:11:42,509 INFO L158 Benchmark]: TraceAbstraction took 12264.50ms. Allocated memory was 75.5MB in the beginning and 224.4MB in the end (delta: 148.9MB). Free memory was 34.6MB in the beginning and 112.8MB in the end (delta: -78.2MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. [2022-02-20 19:11:42,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.51ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.1MB in the beginning and 34.9MB in the end (delta: -9.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.21ms. Allocated memory is still 60.8MB. Free memory was 34.9MB in the beginning and 31.7MB in the end (delta: 3.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.45ms. Allocated memory is still 60.8MB. Free memory was 31.7MB in the beginning and 24.9MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1009.21ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 24.9MB in the beginning and 35.3MB in the end (delta: -10.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12264.50ms. Allocated memory was 75.5MB in the beginning and 224.4MB in the end (delta: 148.9MB). Free memory was 34.6MB in the beginning and 112.8MB in the end (delta: -78.2MB). Peak memory consumption was 130.1MB. 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 19:11:42,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: callstack broken after backtranslation by InlinerBacktranslator