/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 03:29:16,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 03:29:16,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 03:29:16,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 03:29:16,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 03:29:16,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 03:29:16,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 03:29:16,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 03:29:16,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 03:29:16,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 03:29:16,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 03:29:16,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 03:29:16,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 03:29:16,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 03:29:16,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 03:29:16,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 03:29:16,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 03:29:16,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 03:29:16,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 03:29:16,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 03:29:16,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 03:29:16,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 03:29:16,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 03:29:16,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 03:29:16,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-24 03:29:16,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-24 03:29:16,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-24 03:29:16,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-24 03:29:16,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-24 03:29:16,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-24 03:29:16,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-24 03:29:16,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-24 03:29:16,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-24 03:29:16,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 03:29:16,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 03:29:16,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 03:29:16,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-24 03:29:16,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 03:29:16,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 03:29:16,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 03:29:16,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 03:29:16,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 03:29:16,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 03:29:16,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 03:29:16,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 03:29:16,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 03:29:16,633 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 03:29:16,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 03:29:16,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 03:29:16,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 03:29:16,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-24 03:29:16,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 03:29:16,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 03:29:16,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 03:29:16,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-24 03:29:16,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 03:29:16,635 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-24 03:29:16,635 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 03:29:16,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 03:29:16,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 03:29:16,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 03:29:16,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 03:29:16,897 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 03:29:16,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-02-24 03:29:16,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a9de2c4b/04efee8e3abb46ad988f8773e026c0c6/FLAGd7af95f3f [2022-02-24 03:29:17,424 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 03:29:17,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-02-24 03:29:17,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a9de2c4b/04efee8e3abb46ad988f8773e026c0c6/FLAGd7af95f3f [2022-02-24 03:29:17,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a9de2c4b/04efee8e3abb46ad988f8773e026c0c6 [2022-02-24 03:29:17,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 03:29:17,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-24 03:29:17,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 03:29:17,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 03:29:17,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 03:29:17,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:29:17" (1/1) ... [2022-02-24 03:29:17,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5501efcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:17, skipping insertion in model container [2022-02-24 03:29:17,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:29:17" (1/1) ... [2022-02-24 03:29:17,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 03:29:17,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 03:29:18,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c[11322,11335] [2022-02-24 03:29:18,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 03:29:18,208 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 03:29:18,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c[11322,11335] [2022-02-24 03:29:18,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 03:29:18,272 INFO L208 MainTranslator]: Completed translation [2022-02-24 03:29:18,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18 WrapperNode [2022-02-24 03:29:18,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 03:29:18,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 03:29:18,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 03:29:18,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 03:29:18,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (1/1) ... [2022-02-24 03:29:18,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (1/1) ... [2022-02-24 03:29:18,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (1/1) ... [2022-02-24 03:29:18,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (1/1) ... [2022-02-24 03:29:18,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (1/1) ... [2022-02-24 03:29:18,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (1/1) ... [2022-02-24 03:29:18,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (1/1) ... [2022-02-24 03:29:18,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 03:29:18,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 03:29:18,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 03:29:18,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 03:29:18,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (1/1) ... [2022-02-24 03:29:18,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 03:29:18,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 03:29:18,429 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) [2022-02-24 03:29:18,437 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 [2022-02-24 03:29:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 03:29:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 03:29:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 03:29:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-24 03:29:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-02-24 03:29:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-02-24 03:29:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-02-24 03:29:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-02-24 03:29:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-02-24 03:29:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-02-24 03:29:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-02-24 03:29:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-02-24 03:29:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 03:29:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-24 03:29:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 03:29:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 03:29:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 03:29:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 03:29:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-24 03:29:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-02-24 03:29:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-02-24 03:29:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-02-24 03:29:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-02-24 03:29:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-02-24 03:29:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-02-24 03:29:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-24 03:29:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 03:29:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 03:29:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 03:29:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-24 03:29:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-24 03:29:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 03:29:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-24 03:29:18,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 03:29:18,681 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 03:29:18,682 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 03:29:19,130 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 03:29:19,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 03:29:19,135 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-02-24 03:29:19,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:29:19 BoogieIcfgContainer [2022-02-24 03:29:19,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 03:29:19,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 03:29:19,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 03:29:19,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 03:29:19,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:29:17" (1/3) ... [2022-02-24 03:29:19,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b3ee26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:29:19, skipping insertion in model container [2022-02-24 03:29:19,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:18" (2/3) ... [2022-02-24 03:29:19,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b3ee26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:29:19, skipping insertion in model container [2022-02-24 03:29:19,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:29:19" (3/3) ... [2022-02-24 03:29:19,152 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2022-02-24 03:29:19,155 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-24 03:29:19,156 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 03:29:19,192 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 03:29:19,198 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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=QVASR [2022-02-24 03:29:19,198 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 03:29:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-02-24 03:29:19,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-24 03:29:19,226 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:29:19,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:29:19,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:29:19,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:29:19,232 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-02-24 03:29:19,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:29:19,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37792381] [2022-02-24 03:29:19,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:29:19,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:29:19,286 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:29:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:29:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-24 03:29:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 03:29:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:29:19,643 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:29:19,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37792381] [2022-02-24 03:29:19,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [37792381] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:29:19,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:29:19,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 03:29:19,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498529277] [2022-02-24 03:29:19,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:29:19,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 03:29:19,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:29:19,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 03:29:19,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 03:29:19,679 INFO L87 Difference]: Start difference. First operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-24 03:29:20,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:29:20,119 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-02-24 03:29:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 03:29:20,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-02-24 03:29:20,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:29:20,132 INFO L225 Difference]: With dead ends: 243 [2022-02-24 03:29:20,132 INFO L226 Difference]: Without dead ends: 119 [2022-02-24 03:29:20,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-24 03:29:20,142 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-24 03:29:20,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-24 03:29:20,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-02-24 03:29:20,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-02-24 03:29:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-02-24 03:29:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-02-24 03:29:20,207 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-02-24 03:29:20,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:29:20,207 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-02-24 03:29:20,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-24 03:29:20,208 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-02-24 03:29:20,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-24 03:29:20,209 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:29:20,209 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-24 03:29:20,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 03:29:20,210 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:29:20,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:29:20,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-02-24 03:29:20,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:29:20,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129092353] [2022-02-24 03:29:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:29:20,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:29:20,213 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:29:20,255 WARN L132 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2022-02-24 03:29:20,255 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2022-02-24 03:29:20,269 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-24 03:29:20,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 03:29:20,272 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-24 03:29:20,273 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-24 03:29:20,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:29:20 BoogieIcfgContainer [2022-02-24 03:29:20,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-24 03:29:20,292 INFO L158 Benchmark]: Toolchain (without parser) took 2457.55ms. Allocated memory was 204.5MB in the beginning and 320.9MB in the end (delta: 116.4MB). Free memory was 147.8MB in the beginning and 246.0MB in the end (delta: -98.2MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2022-02-24 03:29:20,292 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 204.5MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 03:29:20,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.30ms. Allocated memory was 204.5MB in the beginning and 320.9MB in the end (delta: 116.4MB). Free memory was 147.6MB in the beginning and 283.8MB in the end (delta: -136.2MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-02-24 03:29:20,295 INFO L158 Benchmark]: Boogie Preprocessor took 94.18ms. Allocated memory is still 320.9MB. Free memory was 283.8MB in the beginning and 280.2MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-24 03:29:20,297 INFO L158 Benchmark]: RCFGBuilder took 767.24ms. Allocated memory is still 320.9MB. Free memory was 280.2MB in the beginning and 250.3MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-02-24 03:29:20,297 INFO L158 Benchmark]: TraceAbstraction took 1153.96ms. Allocated memory is still 320.9MB. Free memory was 249.8MB in the beginning and 246.0MB in the end (delta: 3.8MB). Peak memory consumption was 3.8MB. Max. memory is 8.0GB. [2022-02-24 03:29:20,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 204.5MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 426.30ms. Allocated memory was 204.5MB in the beginning and 320.9MB in the end (delta: 116.4MB). Free memory was 147.6MB in the beginning and 283.8MB in the end (delta: -136.2MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 94.18ms. Allocated memory is still 320.9MB. Free memory was 283.8MB in the beginning and 280.2MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 767.24ms. Allocated memory is still 320.9MB. Free memory was 280.2MB in the beginning and 250.3MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1153.96ms. Allocated memory is still 320.9MB. Free memory was 249.8MB in the beginning and 246.0MB in the end (delta: 3.8MB). Peak memory consumption was 3.8MB. Max. memory is 8.0GB. * 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 - UnprovableResult [Line: 463]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L181] unsigned int Id_MCDC_104; [L182] UINT16 Id_MCDC_105; [L183] UINT16 Id_MCDC_106; [L184] Od_IndexTable* Id_MCDC_107; [L185] Od_IndexTable* Id_MCDC_108; [L186] Od_IndexTable* Id_MCDC_109; [L187] Od_IndexTable* Id_MCDC_110; [L188] Od_IndexTable* Id_MCDC_111; [L189] UINT32 Id_MCDC_112 [4]; [L190] CanOpenNode Id_MCDC_113; [L191] UINT32 Id_MCDC_114=0; [L429] void * Id_MCDC_143; [L430] void * Id_MCDC_144; [L431] void * Id_MCDC_145; [L432] void * Id_MCDC_146; [L433] void * Id_MCDC_147; [L434] void * Id_MCDC_148; [L435] int Id_MCDC_149; [L436] int Id_MCDC_150; [L437] int Id_MCDC_151; [L438] int Id_MCDC_152; [L439] int Id_MCDC_153; [L440] int Id_MCDC_154; [L441] int Id_MCDC_155; [L442] short Id_MCDC_156; [L443] short Id_MCDC_157; [L444] FILE* Id_MCDC_158; [L445] unsigned short Id_MCDC_159; [L446] unsigned short Id_MCDC_160; [L447] unsigned short Id_MCDC_161=0; [L448] unsigned short Id_MCDC_162=0; [L449] char Id_MCDC_163; [L450] char Id_MCDC_164; [L451] Id_MCDC_158 = fopen("in.eds", "r") [L452] COND FALSE !(Id_MCDC_158 == (( void * ) 0)) [L457] CALL Id_MCDC_100() [L422] int Id_MCDC_141; [L423] void * Id_MCDC_142; [L424] CALL Id_MCDC_99() [L402] CHAR Id_MCDC_139 [4]={0, 0, 0, 0}; [L403] UINT32 Id_MCDC_140=0; [L404] Id_MCDC_113.Id_MCDC_66 = ( PDO_Buffer* ) malloc(372) [L405] CALL Id_MCDC_97() [L333] UINT32 Id_MCDC_123; [L334] UINT32 Id_MCDC_124; [L335] UINT32 Id_MCDC_125; [L336] UINT32 Id_MCDC_126; [L337] UINT32 Id_MCDC_127; [L338] UINT32 Id_MCDC_128=0x00; [L339] UINT16 Id_MCDC_129; [L340] UINT32 Id_MCDC_130=0x00; [L341] UINT32 Id_MCDC_131=0x00; [L342] UINT8 Id_MCDC_35=0; [L343] UINT8 Id_MCDC_132=0; [L344] UINT8 Id_MCDC_36=0; [L345] UINT8 Id_MCDC_133=0; [L346] UINT8 Id_MCDC_134=0x00; [L347] INT32 Id_MCDC_135; [L348] void * Id_MCDC_136; [L349] UINT32* Id_MCDC_137; [L350] UINT16 Id_MCDC_138; [L351] Id_MCDC_123 = 0x1800 [L352] Id_MCDC_132 = 0 [L352] COND FALSE !(Id_MCDC_132 < 4) [L356] COND FALSE !(Id_MCDC_123 <= 0x1803) [L398] return 0x00; [L338] UINT32 Id_MCDC_128=0x00; [L398] return 0x00; [L340] UINT32 Id_MCDC_130=0x00; [L398] return 0x00; [L341] UINT32 Id_MCDC_131=0x00; [L398] return 0x00; [L398] return 0x00; [L398] return 0x00; [L405] RET Id_MCDC_97() [L406] Id_MCDC_140 = 0 [L406] COND FALSE !(Id_MCDC_140 < 4) [L417] CALL Id_MCDC_95(4, Id_MCDC_139) [L282] UINT32 Id_MCDC_121=0; [L283] UINT32 Id_MCDC_122=0; [L284] COND FALSE !(Id_MCDC_93 < 2) [L288] COND FALSE !(Id_MCDC_93 != 2) [L294] EXPR Id_MCDC_94[1] [L294] Id_MCDC_122 = Id_MCDC_94[1] [L296] EXPR Id_MCDC_94[0] [L296] CALL Id_MCDC_92(Id_MCDC_94[0], Id_MCDC_122) [L251] UINT32 Id_MCDC_117=0; [L252] UINT32 Id_MCDC_118=0; [L253] UINT32 Id_MCDC_119=1; [L254] UINT32 Id_MCDC_120=0; [L255] COND TRUE Id_MCDC_90 > Id_MCDC_91 [L257] Id_MCDC_117 = Id_MCDC_90 [L258] Id_MCDC_118 = Id_MCDC_91 [L270] COND TRUE Id_MCDC_119 != 0 [L272] CALL avoid_zero(Id_MCDC_118 != 0) [L11] COND FALSE !(!y) [L272] RET avoid_zero(Id_MCDC_118 != 0) [L273] Id_MCDC_120 = ( UINT32 ) (Id_MCDC_117 / Id_MCDC_118) [L274] CALL __VERIFIER_assert(( long long ) (Id_MCDC_120 * Id_MCDC_118) >= 0 && ( long long ) (Id_MCDC_120 * Id_MCDC_118) <= 4294967295) [L461] COND TRUE ! (Id_MCDC_103) [L463] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 133 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-24 03:29:20,334 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...