./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/odd.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invariants/odd.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 c6cee2eaa0864f982f519c81781a8b70fdf65a1ebdd4653c4d9daed474142246 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 01:19:50,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 01:19:50,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 01:19:50,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 01:19:50,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 01:19:50,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 01:19:50,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 01:19:50,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 01:19:50,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 01:19:50,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 01:19:50,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 01:19:50,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 01:19:50,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 01:19:50,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 01:19:50,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 01:19:50,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 01:19:50,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 01:19:50,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 01:19:50,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 01:19:50,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 01:19:50,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 01:19:50,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 01:19:50,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 01:19:50,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 01:19:50,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 01:19:50,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 01:19:50,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 01:19:50,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 01:19:50,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 01:19:50,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 01:19:50,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 01:19:50,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 01:19:50,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 01:19:50,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 01:19:50,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 01:19:50,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 01:19:50,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 01:19:50,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 01:19:50,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 01:19:50,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 01:19:50,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 01:19:50,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 01:19:50,637 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 01:19:50,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 01:19:50,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 01:19:50,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 01:19:50,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 01:19:50,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 01:19:50,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 01:19:50,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 01:19:50,640 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 01:19:50,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 01:19:50,641 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 01:19:50,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 01:19:50,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 01:19:50,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 01:19:50,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 01:19:50,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 01:19:50,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 01:19:50,643 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 01:19:50,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 01:19:50,643 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 01:19:50,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 01:19:50,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 01:19:50,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 01:19:50,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 01:19:50,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 01:19:50,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 01:19:50,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 01:19:50,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 01:19:50,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 01:19:50,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 01:19:50,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 01:19:50,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 01:19:50,646 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 01:19:50,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 01:19:50,646 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 01:19:50,647 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6cee2eaa0864f982f519c81781a8b70fdf65a1ebdd4653c4d9daed474142246 [2023-02-17 01:19:50,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 01:19:50,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 01:19:50,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 01:19:50,862 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 01:19:50,863 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 01:19:50,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/odd.c [2023-02-17 01:19:52,078 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 01:19:52,298 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 01:19:52,299 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/odd.c [2023-02-17 01:19:52,305 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb333075d/357c84c0b0cf49f1a716db99f36259e8/FLAG39a9d2013 [2023-02-17 01:19:52,321 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb333075d/357c84c0b0cf49f1a716db99f36259e8 [2023-02-17 01:19:52,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 01:19:52,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 01:19:52,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 01:19:52,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 01:19:52,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 01:19:52,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6655830b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52, skipping insertion in model container [2023-02-17 01:19:52,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 01:19:52,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 01:19:52,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/odd.c[350,363] [2023-02-17 01:19:52,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 01:19:52,491 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 01:19:52,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invariants/odd.c[350,363] [2023-02-17 01:19:52,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 01:19:52,514 INFO L208 MainTranslator]: Completed translation [2023-02-17 01:19:52,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52 WrapperNode [2023-02-17 01:19:52,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 01:19:52,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 01:19:52,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 01:19:52,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 01:19:52,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,543 INFO L138 Inliner]: procedures = 13, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-02-17 01:19:52,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 01:19:52,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 01:19:52,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 01:19:52,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 01:19:52,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 01:19:52,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 01:19:52,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 01:19:52,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 01:19:52,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (1/1) ... [2023-02-17 01:19:52,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 01:19:52,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 01:19:52,598 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) [2023-02-17 01:19:52,600 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 [2023-02-17 01:19:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 01:19:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 01:19:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 01:19:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 01:19:52,680 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 01:19:52,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 01:19:52,754 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 01:19:52,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 01:19:52,763 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 01:19:52,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 01:19:52 BoogieIcfgContainer [2023-02-17 01:19:52,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 01:19:52,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 01:19:52,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 01:19:52,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 01:19:52,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 01:19:52" (1/3) ... [2023-02-17 01:19:52,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17dce660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 01:19:52, skipping insertion in model container [2023-02-17 01:19:52,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:19:52" (2/3) ... [2023-02-17 01:19:52,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17dce660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 01:19:52, skipping insertion in model container [2023-02-17 01:19:52,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 01:19:52" (3/3) ... [2023-02-17 01:19:52,783 INFO L112 eAbstractionObserver]: Analyzing ICFG odd.c [2023-02-17 01:19:52,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 01:19:52,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-17 01:19:52,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 01:19:52,844 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a1b3289, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 01:19:52,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-17 01:19:52,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 01:19:52,857 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 01:19:52,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 01:19:52,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 01:19:52,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 01:19:52,865 INFO L85 PathProgramCache]: Analyzing trace with hash 889783783, now seen corresponding path program 1 times [2023-02-17 01:19:52,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 01:19:52,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672459018] [2023-02-17 01:19:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:19:52,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 01:19:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:19:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:19:53,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 01:19:53,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672459018] [2023-02-17 01:19:53,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672459018] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 01:19:53,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 01:19:53,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-17 01:19:53,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904567008] [2023-02-17 01:19:53,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 01:19:53,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-17 01:19:53,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 01:19:53,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-17 01:19:53,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-17 01:19:53,061 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:53,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 01:19:53,078 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2023-02-17 01:19:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-17 01:19:53,080 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-17 01:19:53,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 01:19:53,089 INFO L225 Difference]: With dead ends: 20 [2023-02-17 01:19:53,089 INFO L226 Difference]: Without dead ends: 8 [2023-02-17 01:19:53,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-17 01:19:53,096 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 01:19:53,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 01:19:53,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-02-17 01:19:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-02-17 01:19:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-02-17 01:19:53,125 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2023-02-17 01:19:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 01:19:53,126 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-02-17 01:19:53,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-02-17 01:19:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-17 01:19:53,127 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 01:19:53,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-17 01:19:53,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 01:19:53,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 01:19:53,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 01:19:53,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1806847180, now seen corresponding path program 1 times [2023-02-17 01:19:53,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 01:19:53,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107890422] [2023-02-17 01:19:53,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:19:53,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 01:19:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:19:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:19:53,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 01:19:53,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107890422] [2023-02-17 01:19:53,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107890422] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 01:19:53,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 01:19:53,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 01:19:53,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812526502] [2023-02-17 01:19:53,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 01:19:53,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 01:19:53,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 01:19:53,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 01:19:53,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 01:19:53,490 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:53,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 01:19:53,508 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-02-17 01:19:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 01:19:53,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-02-17 01:19:53,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 01:19:53,510 INFO L225 Difference]: With dead ends: 14 [2023-02-17 01:19:53,510 INFO L226 Difference]: Without dead ends: 10 [2023-02-17 01:19:53,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 01:19:53,511 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 01:19:53,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 16 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 01:19:53,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-02-17 01:19:53,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-02-17 01:19:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-02-17 01:19:53,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2023-02-17 01:19:53,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 01:19:53,529 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-02-17 01:19:53,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-02-17 01:19:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 01:19:53,531 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 01:19:53,531 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 01:19:53,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 01:19:53,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 01:19:53,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 01:19:53,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1262026695, now seen corresponding path program 1 times [2023-02-17 01:19:53,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 01:19:53,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172402545] [2023-02-17 01:19:53,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:19:53,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 01:19:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:19:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:19:53,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 01:19:53,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172402545] [2023-02-17 01:19:53,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172402545] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 01:19:53,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382544817] [2023-02-17 01:19:53,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:19:53,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:19:53,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 01:19:53,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 01:19:53,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 01:19:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:19:53,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-17 01:19:53,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 01:19:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:19:53,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 01:19:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-17 01:19:54,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382544817] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-17 01:19:54,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-02-17 01:19:54,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 7 [2023-02-17 01:19:54,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191333657] [2023-02-17 01:19:54,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 01:19:54,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 01:19:54,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 01:19:54,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 01:19:54,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-02-17 01:19:54,295 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:54,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 01:19:54,336 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2023-02-17 01:19:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 01:19:54,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-17 01:19:54,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 01:19:54,337 INFO L225 Difference]: With dead ends: 10 [2023-02-17 01:19:54,337 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 01:19:54,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-02-17 01:19:54,340 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 01:19:54,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 01:19:54,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 01:19:54,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 01:19:54,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 01:19:54,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2023-02-17 01:19:54,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 01:19:54,344 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 01:19:54,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 01:19:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 01:19:54,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 01:19:54,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-17 01:19:54,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 01:19:54,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:19:54,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 01:19:54,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 01:19:54,561 INFO L899 garLoopResultBuilder]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2023-02-17 01:19:54,562 INFO L895 garLoopResultBuilder]: At program point L13-3(lines 13 15) the Hoare annotation is: (let ((.cse16 (div |ULTIMATE.start_main_~x~0#1| 2))) (let ((.cse24 (* (- 2) .cse16))) (let ((.cse22 (+ |ULTIMATE.start_main_~x~0#1| .cse24)) (.cse21 (+ (- 2) |ULTIMATE.start_main_~x~0#1| .cse24))) (let ((.cse17 (div .cse21 4294967296)) (.cse19 (div .cse22 4294967296))) (let ((.cse9 (= .cse22 0)) (.cse10 (<= (+ (* (- 1) |ULTIMATE.start_main_~x~0#1|) (* (div |ULTIMATE.start_main_~x~0#1| 4294967296) 4294967296)) 0)) (.cse23 (* .cse19 (- 4294967296))) (.cse20 (* .cse17 (- 4294967296)))) (let ((.cse6 (<= (+ .cse20 .cse21 (- 2147483647)) 0)) (.cse12 (<= (+ .cse22 (- 2147483647) .cse23) 0)) (.cse2 (not .cse10)) (.cse3 (not .cse9))) (let ((.cse18 (and .cse2 .cse3)) (.cse13 (= (+ .cse22 (- 4294967296) .cse23) 0)) (.cse11 (= (+ .cse22 .cse23) 0)) (.cse14 (not .cse12)) (.cse5 (= (+ .cse20 .cse21 (- 4294967296)) 0)) (.cse4 (not .cse6)) (.cse7 (= (+ .cse20 .cse21) 0))) (let ((.cse8 (and (or .cse18 (and (or (not .cse13) .cse12) (or (not .cse11) .cse14))) (or .cse9 (and (or .cse6 (not .cse5)) (or .cse4 (not .cse7))) .cse10)))) (let ((.cse0 (or (let ((.cse15 (<= (+ (- 1) .cse16) 0))) (and (or (<= |ULTIMATE.start_main_~x~0#1| 3) .cse15) (or (not .cse15) (<= 0 (+ (- 3) |ULTIMATE.start_main_~x~0#1|))))) (and (or (not (<= .cse17 0)) .cse9 .cse10) (or .cse18 (not (<= .cse19 0)))) .cse8)) (.cse1 (or (and .cse2 .cse3 (or (and .cse4 .cse5) (and .cse6 .cse7))) .cse8 (and (or .cse9 .cse10) (or (and .cse11 .cse12) (and .cse13 .cse14)))))) (or (and .cse0 .cse1) (and (= (+ (- 1) |ULTIMATE.start_main_~x~0#1|) 0) .cse0 .cse1))))))))))) [2023-02-17 01:19:54,562 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 01:19:54,562 INFO L899 garLoopResultBuilder]: For program point L13-4(lines 13 15) no Hoare annotation was computed. [2023-02-17 01:19:54,562 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 11 18) the Hoare annotation is: true [2023-02-17 01:19:54,562 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-02-17 01:19:54,563 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 01:19:54,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 01:19:54,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2023-02-17 01:19:54,563 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2023-02-17 01:19:54,563 INFO L902 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2023-02-17 01:19:54,568 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-17 01:19:54,570 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 01:19:54,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 01:19:54 BoogieIcfgContainer [2023-02-17 01:19:54,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 01:19:54,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 01:19:54,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 01:19:54,618 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 01:19:54,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 01:19:52" (3/4) ... [2023-02-17 01:19:54,620 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 01:19:54,632 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-02-17 01:19:54,632 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-02-17 01:19:54,632 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-17 01:19:54,632 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 01:19:54,633 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 01:19:54,664 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 01:19:54,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 01:19:54,665 INFO L158 Benchmark]: Toolchain (without parser) took 2340.46ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 109.3MB in the beginning and 116.7MB in the end (delta: -7.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-02-17 01:19:54,665 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 01:19:54,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.44ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 99.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 01:19:54,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.38ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 97.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 01:19:54,666 INFO L158 Benchmark]: Boogie Preprocessor took 16.25ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 01:19:54,667 INFO L158 Benchmark]: RCFGBuilder took 214.42ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 87.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 01:19:54,667 INFO L158 Benchmark]: TraceAbstraction took 1839.38ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 87.0MB in the beginning and 118.7MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 01:19:54,667 INFO L158 Benchmark]: Witness Printer took 47.59ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 116.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 01:19:54,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.44ms. Allocated memory is still 140.5MB. Free memory was 109.0MB in the beginning and 99.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.38ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 97.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.25ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 214.42ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 87.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1839.38ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 87.0MB in the beginning and 118.7MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.59ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 116.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 1638 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 6647 SizeOfPredicates, 3 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (((((x <= 3 || -1 + x / 2 <= 0) && (!(-1 + x / 2 <= 0) || 0 <= -3 + x)) || (((!((-2 + x + -2 * (x / 2)) / 4294967296 <= 0) || x + -2 * (x / 2) == 0) || -1 * x + x / 4294967296 * 4294967296 <= 0) && ((!(-1 * x + x / 4294967296 * 4294967296 <= 0) && !(x + -2 * (x / 2) == 0)) || !((x + -2 * (x / 2)) / 4294967296 <= 0)))) || (((!(-1 * x + x / 4294967296 * 4294967296 <= 0) && !(x + -2 * (x / 2) == 0)) || ((!(x + -2 * (x / 2) + -4294967296 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0) || x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0) && (!(x + -2 * (x / 2) + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0) || !(x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0)))) && ((x + -2 * (x / 2) == 0 || (((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0 || !((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -4294967296 == 0)) && (!((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0) || !((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) == 0)))) || -1 * x + x / 4294967296 * 4294967296 <= 0))) && ((((!(-1 * x + x / 4294967296 * 4294967296 <= 0) && !(x + -2 * (x / 2) == 0)) && ((!((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0) && (-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -4294967296 == 0) || ((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0 && (-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) == 0))) || (((!(-1 * x + x / 4294967296 * 4294967296 <= 0) && !(x + -2 * (x / 2) == 0)) || ((!(x + -2 * (x / 2) + -4294967296 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0) || x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0) && (!(x + -2 * (x / 2) + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0) || !(x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0)))) && ((x + -2 * (x / 2) == 0 || (((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0 || !((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -4294967296 == 0)) && (!((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0) || !((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) == 0)))) || -1 * x + x / 4294967296 * 4294967296 <= 0))) || ((x + -2 * (x / 2) == 0 || -1 * x + x / 4294967296 * 4294967296 <= 0) && ((x + -2 * (x / 2) + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0 && x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0) || (x + -2 * (x / 2) + -4294967296 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0 && !(x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0)))))) || ((-1 + x == 0 && ((((x <= 3 || -1 + x / 2 <= 0) && (!(-1 + x / 2 <= 0) || 0 <= -3 + x)) || (((!((-2 + x + -2 * (x / 2)) / 4294967296 <= 0) || x + -2 * (x / 2) == 0) || -1 * x + x / 4294967296 * 4294967296 <= 0) && ((!(-1 * x + x / 4294967296 * 4294967296 <= 0) && !(x + -2 * (x / 2) == 0)) || !((x + -2 * (x / 2)) / 4294967296 <= 0)))) || (((!(-1 * x + x / 4294967296 * 4294967296 <= 0) && !(x + -2 * (x / 2) == 0)) || ((!(x + -2 * (x / 2) + -4294967296 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0) || x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0) && (!(x + -2 * (x / 2) + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0) || !(x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0)))) && ((x + -2 * (x / 2) == 0 || (((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0 || !((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -4294967296 == 0)) && (!((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0) || !((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) == 0)))) || -1 * x + x / 4294967296 * 4294967296 <= 0)))) && ((((!(-1 * x + x / 4294967296 * 4294967296 <= 0) && !(x + -2 * (x / 2) == 0)) && ((!((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0) && (-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -4294967296 == 0) || ((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0 && (-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) == 0))) || (((!(-1 * x + x / 4294967296 * 4294967296 <= 0) && !(x + -2 * (x / 2) == 0)) || ((!(x + -2 * (x / 2) + -4294967296 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0) || x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0) && (!(x + -2 * (x / 2) + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0) || !(x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0)))) && ((x + -2 * (x / 2) == 0 || (((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0 || !((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -4294967296 == 0)) && (!((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) + -2147483647 <= 0) || !((-2 + x + -2 * (x / 2)) / 4294967296 * -4294967296 + (-2 + x + -2 * (x / 2)) == 0)))) || -1 * x + x / 4294967296 * 4294967296 <= 0))) || ((x + -2 * (x / 2) == 0 || -1 * x + x / 4294967296 * 4294967296 <= 0) && ((x + -2 * (x / 2) + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0 && x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0) || (x + -2 * (x / 2) + -4294967296 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 == 0 && !(x + -2 * (x / 2) + -2147483647 + (x + -2 * (x / 2)) / 4294967296 * -4294967296 <= 0)))))) RESULT: Ultimate proved your program to be correct! [2023-02-17 01:19:54,688 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 Writing output log to file Ultimate.log Result: TRUE