/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-6c470ae [2022-02-15 04:00:55,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 04:00:55,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 04:00:55,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 04:00:55,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 04:00:55,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 04:00:55,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 04:00:55,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 04:00:55,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 04:00:55,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 04:00:55,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 04:00:55,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 04:00:55,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 04:00:55,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 04:00:55,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 04:00:55,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 04:00:55,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 04:00:55,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 04:00:55,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 04:00:55,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 04:00:55,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 04:00:55,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 04:00:55,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 04:00:55,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 04:00:55,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 04:00:55,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 04:00:55,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 04:00:55,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 04:00:55,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 04:00:55,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 04:00:55,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 04:00:55,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 04:00:55,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 04:00:55,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 04:00:55,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 04:00:55,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 04:00:55,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-15 04:00:55,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 04:00:55,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 04:00:55,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 04:00:55,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 04:00:55,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 04:00:55,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 04:00:55,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 04:00:55,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 04:00:55,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 04:00:55,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 04:00:55,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 04:00:55,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 04:00:55,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 04:00:55,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 04:00:55,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 04:00:55,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:00:55,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 04:00:55,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 04:00:55,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 04:00:55,252 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 04:00:55,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 04:00:55,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 04:00:55,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 04:00:55,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 04:00:55,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 04:00:55,492 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 04:00:55,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-02-15 04:00:55,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f3e253f/62e648c9cc3c4f3e98aa26a899dbdb3f/FLAG9bf987a9e [2022-02-15 04:00:55,944 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 04:00:55,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-02-15 04:00:55,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f3e253f/62e648c9cc3c4f3e98aa26a899dbdb3f/FLAG9bf987a9e [2022-02-15 04:00:56,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f3e253f/62e648c9cc3c4f3e98aa26a899dbdb3f [2022-02-15 04:00:56,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 04:00:56,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 04:00:56,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 04:00:56,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 04:00:56,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 04:00:56,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24173cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56, skipping insertion in model container [2022-02-15 04:00:56,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 04:00:56,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 04:00:56,598 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] [2022-02-15 04:00:56,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:00:56,605 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 04:00:56,641 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] [2022-02-15 04:00:56,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:00:56,651 INFO L208 MainTranslator]: Completed translation [2022-02-15 04:00:56,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56 WrapperNode [2022-02-15 04:00:56,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 04:00:56,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 04:00:56,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 04:00:56,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 04:00:56,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 04:00:56,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 04:00:56,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 04:00:56,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 04:00:56,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (1/1) ... [2022-02-15 04:00:56,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:00:56,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 04:00:56,805 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) [2022-02-15 04:00:56,809 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 [2022-02-15 04:00:56,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 04:00:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 04:00:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 04:00:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-15 04:00:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-02-15 04:00:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-02-15 04:00:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-02-15 04:00:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-02-15 04:00:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-02-15 04:00:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-02-15 04:00:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-02-15 04:00:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-02-15 04:00:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 04:00:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-15 04:00:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 04:00:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 04:00:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 04:00:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 04:00:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-15 04:00:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 04:00:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-15 04:00:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 04:00:57,004 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 04:00:57,005 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 04:00:57,362 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 04:00:57,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 04:00:57,371 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-02-15 04:00:57,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:00:57 BoogieIcfgContainer [2022-02-15 04:00:57,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 04:00:57,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 04:00:57,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 04:00:57,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 04:00:57,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:00:56" (1/3) ... [2022-02-15 04:00:57,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d9c823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:00:57, skipping insertion in model container [2022-02-15 04:00:57,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:00:56" (2/3) ... [2022-02-15 04:00:57,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d9c823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:00:57, skipping insertion in model container [2022-02-15 04:00:57,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:00:57" (3/3) ... [2022-02-15 04:00:57,382 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2022-02-15 04:00:57,386 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 04:00:57,386 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 04:00:57,422 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 04:00:57,426 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 [2022-02-15 04:00:57,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 04:00:57,444 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) [2022-02-15 04:00:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 04:00:57,452 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:00:57,452 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] [2022-02-15 04:00:57,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:00:57,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:00:57,456 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-02-15 04:00:57,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:00:57,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571822302] [2022-02-15 04:00:57,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:00:57,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:00:57,504 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:00:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:00:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:00:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:00:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-15 04:00:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:00:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-15 04:00:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:00:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:00:57,872 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:00:57,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571822302] [2022-02-15 04:00:57,874 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [571822302] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:00:57,874 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:00:57,874 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:00:57,875 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352204096] [2022-02-15 04:00:57,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:00:57,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:00:57,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:00:57,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:00:57,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:00:57,909 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) [2022-02-15 04:00:58,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:00:58,309 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-02-15 04:00:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:00:58,311 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 [2022-02-15 04:00:58,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:00:58,317 INFO L225 Difference]: With dead ends: 243 [2022-02-15 04:00:58,317 INFO L226 Difference]: Without dead ends: 119 [2022-02-15 04:00:58,320 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 [2022-02-15 04:00:58,323 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, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:00:58,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 04:00:58,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-02-15 04:00:58,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-02-15 04:00:58,364 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) [2022-02-15 04:00:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-02-15 04:00:58,366 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-02-15 04:00:58,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:00:58,367 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-02-15 04:00:58,367 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) [2022-02-15 04:00:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-02-15 04:00:58,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 04:00:58,369 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:00:58,369 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] [2022-02-15 04:00:58,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 04:00:58,370 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:00:58,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:00:58,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-02-15 04:00:58,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:00:58,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656124861] [2022-02-15 04:00:58,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:00:58,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:00:58,373 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:00:58,400 WARN L132 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2022-02-15 04:00:58,400 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2022-02-15 04:00:58,404 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 04:00:58,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 04:00:58,408 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-15 04:00:58,417 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 04:00:58,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 04:00:58 BoogieIcfgContainer [2022-02-15 04:00:58,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 04:00:58,430 INFO L158 Benchmark]: Toolchain (without parser) took 2098.46ms. Allocated memory was 220.2MB in the beginning and 272.6MB in the end (delta: 52.4MB). Free memory was 166.4MB in the beginning and 167.3MB in the end (delta: -871.3kB). Peak memory consumption was 52.0MB. Max. memory is 8.0GB. [2022-02-15 04:00:58,430 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 183.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 04:00:58,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.33ms. Allocated memory is still 220.2MB. Free memory was 166.2MB in the beginning and 186.2MB in the end (delta: -20.0MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-02-15 04:00:58,431 INFO L158 Benchmark]: Boogie Preprocessor took 89.81ms. Allocated memory is still 220.2MB. Free memory was 186.2MB in the beginning and 182.7MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 04:00:58,431 INFO L158 Benchmark]: RCFGBuilder took 631.17ms. Allocated memory is still 220.2MB. Free memory was 182.7MB in the beginning and 153.1MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-02-15 04:00:58,431 INFO L158 Benchmark]: TraceAbstraction took 1053.63ms. Allocated memory was 220.2MB in the beginning and 272.6MB in the end (delta: 52.4MB). Free memory was 152.6MB in the beginning and 167.3MB in the end (delta: -14.7MB). Peak memory consumption was 38.1MB. Max. memory is 8.0GB. [2022-02-15 04:00:58,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 183.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 316.33ms. Allocated memory is still 220.2MB. Free memory was 166.2MB in the beginning and 186.2MB in the end (delta: -20.0MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.81ms. Allocated memory is still 220.2MB. Free memory was 186.2MB in the beginning and 182.7MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 631.17ms. Allocated memory is still 220.2MB. Free memory was 182.7MB in the beginning and 153.1MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1053.63ms. Allocated memory was 220.2MB in the beginning and 272.6MB in the end (delta: 52.4MB). Free memory was 152.6MB in the beginning and 167.3MB in the end (delta: -14.7MB). Peak memory consumption was 38.1MB. 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: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 0.2s 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: 0.0s 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 [2022-02-15 04:00:58,481 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...