/usr/bin/java -ea -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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 04:07:07,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 04:07:07,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 04:07:07,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-08 04:07:07,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-08 04:07:07,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-08 04:07:07,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-08 04:07:07,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-08 04:07:07,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-08 04:07:07,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-08 04:07:07,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-08 04:07:07,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-08 04:07:07,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 04:07:07,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 04:07:07,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 04:07:07,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 04:07:07,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 04:07:07,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 04:07:07,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 04:07:07,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 04:07:07,303 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 04:07:07,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 04:07:07,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 04:07:07,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 04:07:07,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 04:07:07,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 04:07:07,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 04:07:07,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 04:07:07,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 04:07:07,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-08 04:07:07,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 04:07:07,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 04:07:07,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 04:07:07,327 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-08 04:07:07,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 04:07:07,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-08 04:07:07,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 04:07:07,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 04:07:07,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 04:07:07,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 04:07:07,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-08 04:07:07,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 04:07:07,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 04:07:07,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 04:07:07,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:07:07,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 04:07:07,329 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-08 04:07:07,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 04:07:07,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 04:07:07,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 04:07:07,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 04:07:07,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 04:07:07,535 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 04:07:07,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-04-08 04:07:07,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbbcc0f21/43dd701744c94978bc0387ffbfdf68c3/FLAGa31b202d6 [2022-04-08 04:07:07,993 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 04:07:07,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2022-04-08 04:07:08,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbbcc0f21/43dd701744c94978bc0387ffbfdf68c3/FLAGa31b202d6 [2022-04-08 04:07:08,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbbcc0f21/43dd701744c94978bc0387ffbfdf68c3 [2022-04-08 04:07:08,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 04:07:08,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 04:07:08,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 04:07:08,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 04:07:08,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 04:07:08,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e637469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08, skipping insertion in model container [2022-04-08 04:07:08,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 04:07:08,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 04:07:08,263 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_2.c[11342,11355] [2022-04-08 04:07:08,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:07:08,272 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 04:07:08,329 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_2.c[11342,11355] [2022-04-08 04:07:08,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:07:08,359 INFO L208 MainTranslator]: Completed translation [2022-04-08 04:07:08,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08 WrapperNode [2022-04-08 04:07:08,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 04:07:08,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 04:07:08,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 04:07:08,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 04:07:08,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 04:07:08,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 04:07:08,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 04:07:08,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 04:07:08,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (1/1) ... [2022-04-08 04:07:08,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:07:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 04:07:08,455 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) [2022-04-08 04:07:08,456 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 [2022-04-08 04:07:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-04-08 04:07:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-04-08 04:07:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-04-08 04:07:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-04-08 04:07:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 04:07:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-04-08 04:07:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 04:07:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-08 04:07:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-08 04:07:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 04:07:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-08 04:07:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 04:07:08,608 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 04:07:08,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 04:07:09,087 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 04:07:09,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 04:07:09,094 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-08 04:07:09,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:07:09 BoogieIcfgContainer [2022-04-08 04:07:09,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 04:07:09,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 04:07:09,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 04:07:09,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 04:07:09,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 04:07:08" (1/3) ... [2022-04-08 04:07:09,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c43c029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:07:09, skipping insertion in model container [2022-04-08 04:07:09,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:07:08" (2/3) ... [2022-04-08 04:07:09,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c43c029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:07:09, skipping insertion in model container [2022-04-08 04:07:09,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:07:09" (3/3) ... [2022-04-08 04:07:09,101 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2022-04-08 04:07:09,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 04:07:09,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 04:07:09,145 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 04:07:09,149 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, 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 [2022-04-08 04:07:09,150 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 04:07:09,164 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) [2022-04-08 04:07:09,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-08 04:07:09,172 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:07:09,173 INFO L499 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] [2022-04-08 04:07:09,173 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:07:09,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:07:09,177 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 1 times [2022-04-08 04:07:09,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:09,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [888497037] [2022-04-08 04:07:09,190 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:07:09,190 INFO L85 PathProgramCache]: Analyzing trace with hash -540283313, now seen corresponding path program 2 times [2022-04-08 04:07:09,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:07:09,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907007407] [2022-04-08 04:07:09,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:07:09,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:07:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 04:07:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:09,639 INFO L290 TraceCheckUtils]: 0: Hoare triple {146#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {131#true} is VALID [2022-04-08 04:07:09,639 INFO L290 TraceCheckUtils]: 1: Hoare triple {131#true} assume true; {131#true} is VALID [2022-04-08 04:07:09,639 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {131#true} {131#true} #387#return; {131#true} is VALID [2022-04-08 04:07:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 04:07:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:09,686 INFO L290 TraceCheckUtils]: 0: Hoare triple {147#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {131#true} is VALID [2022-04-08 04:07:09,687 INFO L290 TraceCheckUtils]: 1: Hoare triple {131#true} assume !(~Id_MCDC_132~0 % 256 < 4); {131#true} is VALID [2022-04-08 04:07:09,687 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {131#true} is VALID [2022-04-08 04:07:09,687 INFO L290 TraceCheckUtils]: 3: Hoare triple {131#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {131#true} is VALID [2022-04-08 04:07:09,687 INFO L290 TraceCheckUtils]: 4: Hoare triple {131#true} assume true; {131#true} is VALID [2022-04-08 04:07:09,687 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {131#true} {131#true} #367#return; {131#true} is VALID [2022-04-08 04:07:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-08 04:07:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:09,697 INFO L290 TraceCheckUtils]: 0: Hoare triple {131#true} ~y := #in~y; {131#true} is VALID [2022-04-08 04:07:09,698 INFO L290 TraceCheckUtils]: 1: Hoare triple {131#true} assume 0 == ~y;assume false; {132#false} is VALID [2022-04-08 04:07:09,699 INFO L290 TraceCheckUtils]: 2: Hoare triple {132#false} assume true; {132#false} is VALID [2022-04-08 04:07:09,699 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {132#false} {131#true} #361#return; {132#false} is VALID [2022-04-08 04:07:09,701 INFO L272 TraceCheckUtils]: 0: Hoare triple {131#true} call ULTIMATE.init(); {146#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 04:07:09,702 INFO L290 TraceCheckUtils]: 1: Hoare triple {146#(and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {131#true} is VALID [2022-04-08 04:07:09,702 INFO L290 TraceCheckUtils]: 2: Hoare triple {131#true} assume true; {131#true} is VALID [2022-04-08 04:07:09,702 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {131#true} {131#true} #387#return; {131#true} is VALID [2022-04-08 04:07:09,702 INFO L272 TraceCheckUtils]: 4: Hoare triple {131#true} call #t~ret62 := main(); {131#true} is VALID [2022-04-08 04:07:09,703 INFO L290 TraceCheckUtils]: 5: Hoare triple {131#true} havoc ~Id_MCDC_143~0.base, ~Id_MCDC_143~0.offset;havoc ~Id_MCDC_144~0.base, ~Id_MCDC_144~0.offset;havoc ~Id_MCDC_145~0.base, ~Id_MCDC_145~0.offset;havoc ~Id_MCDC_146~0.base, ~Id_MCDC_146~0.offset;havoc ~Id_MCDC_147~0.base, ~Id_MCDC_147~0.offset;havoc ~Id_MCDC_148~0.base, ~Id_MCDC_148~0.offset;havoc ~Id_MCDC_149~0;havoc ~Id_MCDC_150~0;havoc ~Id_MCDC_151~0;havoc ~Id_MCDC_152~0;havoc ~Id_MCDC_153~0;havoc ~Id_MCDC_154~0;havoc ~Id_MCDC_155~0;havoc ~Id_MCDC_156~0;havoc ~Id_MCDC_157~0;havoc ~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset;havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0;~Id_MCDC_161~0 := 0;~Id_MCDC_162~0 := 0;havoc ~Id_MCDC_163~0;havoc ~Id_MCDC_164~0;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {131#true} is VALID [2022-04-08 04:07:09,704 INFO L290 TraceCheckUtils]: 6: Hoare triple {131#true} assume !(~Id_MCDC_158~0.base == 0 && ~Id_MCDC_158~0.offset == 0); {131#true} is VALID [2022-04-08 04:07:09,704 INFO L272 TraceCheckUtils]: 7: Hoare triple {131#true} call Id_MCDC_100(); {131#true} is VALID [2022-04-08 04:07:09,704 INFO L290 TraceCheckUtils]: 8: Hoare triple {131#true} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0.base, ~Id_MCDC_142~0.offset; {131#true} is VALID [2022-04-08 04:07:09,705 INFO L272 TraceCheckUtils]: 9: Hoare triple {131#true} call Id_MCDC_99(); {131#true} is VALID [2022-04-08 04:07:09,705 INFO L290 TraceCheckUtils]: 10: Hoare triple {131#true} call ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 1 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 2 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 3 + ~#Id_MCDC_139~0.offset, 1);~Id_MCDC_140~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);havoc #t~malloc50.base, #t~malloc50.offset; {131#true} is VALID [2022-04-08 04:07:09,706 INFO L272 TraceCheckUtils]: 11: Hoare triple {131#true} call #t~ret51 := Id_MCDC_97(); {147#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-08 04:07:09,706 INFO L290 TraceCheckUtils]: 12: Hoare triple {147#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {131#true} is VALID [2022-04-08 04:07:09,706 INFO L290 TraceCheckUtils]: 13: Hoare triple {131#true} assume !(~Id_MCDC_132~0 % 256 < 4); {131#true} is VALID [2022-04-08 04:07:09,707 INFO L290 TraceCheckUtils]: 14: Hoare triple {131#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {131#true} is VALID [2022-04-08 04:07:09,707 INFO L290 TraceCheckUtils]: 15: Hoare triple {131#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {131#true} is VALID [2022-04-08 04:07:09,707 INFO L290 TraceCheckUtils]: 16: Hoare triple {131#true} assume true; {131#true} is VALID [2022-04-08 04:07:09,707 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {131#true} {131#true} #367#return; {131#true} is VALID [2022-04-08 04:07:09,708 INFO L290 TraceCheckUtils]: 18: Hoare triple {131#true} havoc #t~ret51;~Id_MCDC_140~0 := 0; {131#true} is VALID [2022-04-08 04:07:09,708 INFO L290 TraceCheckUtils]: 19: Hoare triple {131#true} assume !(~Id_MCDC_140~0 % 4294967296 < 4); {131#true} is VALID [2022-04-08 04:07:09,708 INFO L272 TraceCheckUtils]: 20: Hoare triple {131#true} call #t~ret60 := Id_MCDC_95(4, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset); {131#true} is VALID [2022-04-08 04:07:09,708 INFO L290 TraceCheckUtils]: 21: Hoare triple {131#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {131#true} is VALID [2022-04-08 04:07:09,709 INFO L290 TraceCheckUtils]: 22: Hoare triple {131#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {131#true} is VALID [2022-04-08 04:07:09,709 INFO L290 TraceCheckUtils]: 23: Hoare triple {131#true} assume !(2 != ~Id_MCDC_93 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset, 1);~Id_MCDC_122~0 := #t~mem19;havoc #t~mem19; {131#true} is VALID [2022-04-08 04:07:09,709 INFO L290 TraceCheckUtils]: 24: Hoare triple {131#true} call #t~mem20 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1); {131#true} is VALID [2022-04-08 04:07:09,709 INFO L272 TraceCheckUtils]: 25: Hoare triple {131#true} call #t~ret21 := Id_MCDC_92(#t~mem20, ~Id_MCDC_122~0); {131#true} is VALID [2022-04-08 04:07:09,709 INFO L290 TraceCheckUtils]: 26: Hoare triple {131#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {131#true} is VALID [2022-04-08 04:07:09,710 INFO L290 TraceCheckUtils]: 27: Hoare triple {131#true} assume ~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296;~Id_MCDC_117~0 := ~Id_MCDC_90;~Id_MCDC_118~0 := ~Id_MCDC_91; {131#true} is VALID [2022-04-08 04:07:09,710 INFO L290 TraceCheckUtils]: 28: Hoare triple {131#true} assume !!(0 != ~Id_MCDC_119~0 % 4294967296); {131#true} is VALID [2022-04-08 04:07:09,710 INFO L272 TraceCheckUtils]: 29: Hoare triple {131#true} call avoid_zero((if 0 != ~Id_MCDC_118~0 % 4294967296 then 1 else 0)); {131#true} is VALID [2022-04-08 04:07:09,711 INFO L290 TraceCheckUtils]: 30: Hoare triple {131#true} ~y := #in~y; {131#true} is VALID [2022-04-08 04:07:09,712 INFO L290 TraceCheckUtils]: 31: Hoare triple {131#true} assume 0 == ~y;assume false; {132#false} is VALID [2022-04-08 04:07:09,712 INFO L290 TraceCheckUtils]: 32: Hoare triple {132#false} assume true; {132#false} is VALID [2022-04-08 04:07:09,712 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {132#false} {131#true} #361#return; {132#false} is VALID [2022-04-08 04:07:09,713 INFO L290 TraceCheckUtils]: 34: Hoare triple {132#false} ~Id_MCDC_120~0 := (if ~Id_MCDC_117~0 % 4294967296 < 0 && 0 != ~Id_MCDC_117~0 % 4294967296 % (~Id_MCDC_118~0 % 4294967296) then (if ~Id_MCDC_118~0 % 4294967296 < 0 then ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296) - 1 else 1 + ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296)) else ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296)); {132#false} is VALID [2022-04-08 04:07:09,713 INFO L272 TraceCheckUtils]: 35: Hoare triple {132#false} call __VERIFIER_assert((if (~Id_MCDC_117~0 - ~Id_MCDC_120~0 * ~Id_MCDC_118~0) % 4294967296 >= 0 && (~Id_MCDC_117~0 - ~Id_MCDC_120~0 * ~Id_MCDC_118~0) % 4294967296 <= 4294967295 then 1 else 0)); {132#false} is VALID [2022-04-08 04:07:09,716 INFO L290 TraceCheckUtils]: 36: Hoare triple {132#false} ~Id_MCDC_103 := #in~Id_MCDC_103; {132#false} is VALID [2022-04-08 04:07:09,717 INFO L290 TraceCheckUtils]: 37: Hoare triple {132#false} assume 0 == ~Id_MCDC_103; {132#false} is VALID [2022-04-08 04:07:09,718 INFO L290 TraceCheckUtils]: 38: Hoare triple {132#false} assume !false; {132#false} is VALID [2022-04-08 04:07:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 04:07:09,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:07:09,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907007407] [2022-04-08 04:07:09,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907007407] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:09,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:09,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:09,728 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:07:09,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [888497037] [2022-04-08 04:07:09,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [888497037] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:09,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:09,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:09,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680307964] [2022-04-08 04:07:09,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:07:09,738 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 [2022-04-08 04:07:09,741 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:07:09,745 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 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) [2022-04-08 04:07:09,796 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:09,796 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 04:07:09,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:09,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 04:07:09,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 04:07:09,829 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) [2022-04-08 04:07:10,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:10,841 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-04-08 04:07:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 04:07:10,842 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 [2022-04-08 04:07:10,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:07:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-04-08 04:07:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 363 transitions. [2022-04-08 04:07:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-04-08 04:07:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 363 transitions. [2022-04-08 04:07:10,875 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 363 transitions. [2022-04-08 04:07:11,324 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 363 edges. 363 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:11,333 INFO L225 Difference]: With dead ends: 243 [2022-04-08 04:07:11,334 INFO L226 Difference]: Without dead ends: 119 [2022-04-08 04:07:11,337 INFO L912 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 [2022-04-08 04:07:11,339 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-04-08 04:07:11,340 INFO L914 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] [2022-04-08 04:07:11,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-04-08 04:07:11,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-04-08 04:07:11,378 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:07:11,379 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second 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) [2022-04-08 04:07:11,380 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second 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) [2022-04-08 04:07:11,381 INFO L87 Difference]: Start difference. First operand 119 states. Second 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) [2022-04-08 04:07:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:11,386 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-04-08 04:07:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-04-08 04:07:11,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:11,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:11,388 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 119 states. [2022-04-08 04:07:11,389 INFO L87 Difference]: Start difference. First 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) Second operand 119 states. [2022-04-08 04:07:11,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:11,394 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-04-08 04:07:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-04-08 04:07:11,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:11,395 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:11,395 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:07:11,395 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:07:11,396 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) [2022-04-08 04:07:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-04-08 04:07:11,401 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-04-08 04:07:11,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:07:11,401 INFO L478 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-04-08 04:07:11,401 INFO L479 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) [2022-04-08 04:07:11,402 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 119 states and 165 transitions. [2022-04-08 04:07:11,639 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:11,640 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-04-08 04:07:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-08 04:07:11,641 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:07:11,641 INFO L499 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] [2022-04-08 04:07:11,641 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 04:07:11,642 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:07:11,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:07:11,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 1 times [2022-04-08 04:07:11,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:11,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [970025056] [2022-04-08 04:07:11,643 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:07:11,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1349629939, now seen corresponding path program 2 times [2022-04-08 04:07:11,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:07:11,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886648709] [2022-04-08 04:07:11,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:07:11,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:07:11,692 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 04:07:11,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168730538] [2022-04-08 04:07:11,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 04:07:11,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 04:07:11,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 04:07:11,699 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) [2022-04-08 04:07:11,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 04:07:11,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-04-08 04:07:11,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 04:07:11,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-08 04:07:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:07:11,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 04:07:12,072 INFO L272 TraceCheckUtils]: 0: Hoare triple {1115#true} call ULTIMATE.init(); {1115#true} is VALID [2022-04-08 04:07:12,073 INFO L290 TraceCheckUtils]: 1: Hoare triple {1115#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(5, 4);call write~init~int(114, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(118, 4, 2, 1);call write~init~int(100, 4, 3, 1);call write~init~int(0, 4, 4, 1);call #Ultimate.allocInit(3, 5);call write~init~int(119, 5, 0, 1);call write~init~int(111, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(20, 6);call #Ultimate.allocInit(5, 7);call write~init~int(114, 7, 0, 1);call write~init~int(115, 7, 1, 1);call write~init~int(118, 7, 2, 1);call write~init~int(100, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(119, 8, 0, 1);call write~init~int(111, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(7, 9);call write~init~int(105, 9, 0, 1);call write~init~int(110, 9, 1, 1);call write~init~int(46, 9, 2, 1);call write~init~int(101, 9, 3, 1);call write~init~int(100, 9, 4, 1);call write~init~int(115, 9, 5, 1);call write~init~int(0, 9, 6, 1);call #Ultimate.allocInit(2, 10);call write~init~int(114, 10, 0, 1);call write~init~int(0, 10, 1, 1);~Id_MCDC_104~0 := 0;~Id_MCDC_105~0 := 0;~Id_MCDC_106~0 := 0;~Id_MCDC_107~0.base, ~Id_MCDC_107~0.offset := 0, 0;~Id_MCDC_108~0.base, ~Id_MCDC_108~0.offset := 0, 0;~Id_MCDC_109~0.base, ~Id_MCDC_109~0.offset := 0, 0;~Id_MCDC_110~0.base, ~Id_MCDC_110~0.offset := 0, 0;~Id_MCDC_111~0.base, ~Id_MCDC_111~0.offset := 0, 0;~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset := 11, 0;call #Ultimate.allocInit(16, 11);call write~init~int(0, ~#Id_MCDC_112~0.base, ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 4 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 8 + ~#Id_MCDC_112~0.offset, 4);call write~init~int(0, ~#Id_MCDC_112~0.base, 12 + ~#Id_MCDC_112~0.offset, 4);~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset := 12, 0;call #Ultimate.allocInit(20, 12);call write~init~int(0, ~#Id_MCDC_113~0.base, ~#Id_MCDC_113~0.offset, 1);call write~init~int(0, ~#Id_MCDC_113~0.base, 1 + ~#Id_MCDC_113~0.offset, 2);call write~init~int(0, ~#Id_MCDC_113~0.base, 3 + ~#Id_MCDC_113~0.offset, 1);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 4 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 8 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);call write~init~$Pointer$(0, 0, ~#Id_MCDC_113~0.base, 16 + ~#Id_MCDC_113~0.offset, 4);~Id_MCDC_114~0 := 0; {1115#true} is VALID [2022-04-08 04:07:12,073 INFO L290 TraceCheckUtils]: 2: Hoare triple {1115#true} assume true; {1115#true} is VALID [2022-04-08 04:07:12,074 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1115#true} {1115#true} #387#return; {1115#true} is VALID [2022-04-08 04:07:12,075 INFO L272 TraceCheckUtils]: 4: Hoare triple {1115#true} call #t~ret62 := main(); {1115#true} is VALID [2022-04-08 04:07:12,075 INFO L290 TraceCheckUtils]: 5: Hoare triple {1115#true} havoc ~Id_MCDC_143~0.base, ~Id_MCDC_143~0.offset;havoc ~Id_MCDC_144~0.base, ~Id_MCDC_144~0.offset;havoc ~Id_MCDC_145~0.base, ~Id_MCDC_145~0.offset;havoc ~Id_MCDC_146~0.base, ~Id_MCDC_146~0.offset;havoc ~Id_MCDC_147~0.base, ~Id_MCDC_147~0.offset;havoc ~Id_MCDC_148~0.base, ~Id_MCDC_148~0.offset;havoc ~Id_MCDC_149~0;havoc ~Id_MCDC_150~0;havoc ~Id_MCDC_151~0;havoc ~Id_MCDC_152~0;havoc ~Id_MCDC_153~0;havoc ~Id_MCDC_154~0;havoc ~Id_MCDC_155~0;havoc ~Id_MCDC_156~0;havoc ~Id_MCDC_157~0;havoc ~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset;havoc ~Id_MCDC_159~0;havoc ~Id_MCDC_160~0;~Id_MCDC_161~0 := 0;~Id_MCDC_162~0 := 0;havoc ~Id_MCDC_163~0;havoc ~Id_MCDC_164~0;call #t~ret61.base, #t~ret61.offset := fopen(9, 0, 10, 0);~Id_MCDC_158~0.base, ~Id_MCDC_158~0.offset := #t~ret61.base, #t~ret61.offset;havoc #t~ret61.base, #t~ret61.offset; {1115#true} is VALID [2022-04-08 04:07:12,075 INFO L290 TraceCheckUtils]: 6: Hoare triple {1115#true} assume !(~Id_MCDC_158~0.base == 0 && ~Id_MCDC_158~0.offset == 0); {1115#true} is VALID [2022-04-08 04:07:12,075 INFO L272 TraceCheckUtils]: 7: Hoare triple {1115#true} call Id_MCDC_100(); {1115#true} is VALID [2022-04-08 04:07:12,075 INFO L290 TraceCheckUtils]: 8: Hoare triple {1115#true} havoc ~Id_MCDC_141~0;havoc ~Id_MCDC_142~0.base, ~Id_MCDC_142~0.offset; {1115#true} is VALID [2022-04-08 04:07:12,076 INFO L272 TraceCheckUtils]: 9: Hoare triple {1115#true} call Id_MCDC_99(); {1115#true} is VALID [2022-04-08 04:07:12,076 INFO L290 TraceCheckUtils]: 10: Hoare triple {1115#true} call ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 1 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 2 + ~#Id_MCDC_139~0.offset, 1);call write~init~int(0, ~#Id_MCDC_139~0.base, 3 + ~#Id_MCDC_139~0.offset, 1);~Id_MCDC_140~0 := 0;call #t~malloc50.base, #t~malloc50.offset := #Ultimate.allocOnHeap(372);call write~$Pointer$(#t~malloc50.base, #t~malloc50.offset, ~#Id_MCDC_113~0.base, 12 + ~#Id_MCDC_113~0.offset, 4);havoc #t~malloc50.base, #t~malloc50.offset; {1115#true} is VALID [2022-04-08 04:07:12,076 INFO L272 TraceCheckUtils]: 11: Hoare triple {1115#true} call #t~ret51 := Id_MCDC_97(); {1115#true} is VALID [2022-04-08 04:07:12,076 INFO L290 TraceCheckUtils]: 12: Hoare triple {1115#true} havoc ~Id_MCDC_123~0;havoc ~Id_MCDC_124~0;havoc ~Id_MCDC_125~0;havoc ~Id_MCDC_126~0;havoc ~Id_MCDC_127~0;call ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset, 4);havoc ~Id_MCDC_129~0;call ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset, 4);call ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset, 4);~Id_MCDC_35~0 := 0;~Id_MCDC_132~0 := 0;~Id_MCDC_36~0 := 0;~Id_MCDC_133~0 := 0;~Id_MCDC_134~0 := 0;call ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset := #Ultimate.allocOnStack(4);call ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset := #Ultimate.allocOnStack(4);havoc ~Id_MCDC_137~0.base, ~Id_MCDC_137~0.offset;havoc ~Id_MCDC_138~0;~Id_MCDC_123~0 := 6144;~Id_MCDC_132~0 := 0; {1115#true} is VALID [2022-04-08 04:07:12,076 INFO L290 TraceCheckUtils]: 13: Hoare triple {1115#true} assume !(~Id_MCDC_132~0 % 256 < 4); {1115#true} is VALID [2022-04-08 04:07:12,076 INFO L290 TraceCheckUtils]: 14: Hoare triple {1115#true} assume !(~Id_MCDC_123~0 % 4294967296 <= 6147); {1115#true} is VALID [2022-04-08 04:07:12,076 INFO L290 TraceCheckUtils]: 15: Hoare triple {1115#true} #res := 0;call ULTIMATE.dealloc(~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset);havoc ~#Id_MCDC_128~0.base, ~#Id_MCDC_128~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset);havoc ~#Id_MCDC_130~0.base, ~#Id_MCDC_130~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset);havoc ~#Id_MCDC_131~0.base, ~#Id_MCDC_131~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset);havoc ~#Id_MCDC_135~0.base, ~#Id_MCDC_135~0.offset;call ULTIMATE.dealloc(~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset);havoc ~#Id_MCDC_136~0.base, ~#Id_MCDC_136~0.offset; {1115#true} is VALID [2022-04-08 04:07:12,076 INFO L290 TraceCheckUtils]: 16: Hoare triple {1115#true} assume true; {1115#true} is VALID [2022-04-08 04:07:12,077 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1115#true} {1115#true} #367#return; {1115#true} is VALID [2022-04-08 04:07:12,077 INFO L290 TraceCheckUtils]: 18: Hoare triple {1115#true} havoc #t~ret51;~Id_MCDC_140~0 := 0; {1115#true} is VALID [2022-04-08 04:07:12,077 INFO L290 TraceCheckUtils]: 19: Hoare triple {1115#true} assume !(~Id_MCDC_140~0 % 4294967296 < 4); {1115#true} is VALID [2022-04-08 04:07:12,077 INFO L272 TraceCheckUtils]: 20: Hoare triple {1115#true} call #t~ret60 := Id_MCDC_95(4, ~#Id_MCDC_139~0.base, ~#Id_MCDC_139~0.offset); {1115#true} is VALID [2022-04-08 04:07:12,077 INFO L290 TraceCheckUtils]: 21: Hoare triple {1115#true} ~Id_MCDC_93 := #in~Id_MCDC_93;~Id_MCDC_94.base, ~Id_MCDC_94.offset := #in~Id_MCDC_94.base, #in~Id_MCDC_94.offset;~Id_MCDC_121~0 := 0;~Id_MCDC_122~0 := 0; {1115#true} is VALID [2022-04-08 04:07:12,077 INFO L290 TraceCheckUtils]: 22: Hoare triple {1115#true} assume !(~Id_MCDC_93 % 4294967296 < 2); {1115#true} is VALID [2022-04-08 04:07:12,078 INFO L290 TraceCheckUtils]: 23: Hoare triple {1115#true} assume !(2 != ~Id_MCDC_93 % 4294967296);call #t~mem19 := read~int(~Id_MCDC_94.base, 1 + ~Id_MCDC_94.offset, 1);~Id_MCDC_122~0 := #t~mem19;havoc #t~mem19; {1115#true} is VALID [2022-04-08 04:07:12,078 INFO L290 TraceCheckUtils]: 24: Hoare triple {1115#true} call #t~mem20 := read~int(~Id_MCDC_94.base, ~Id_MCDC_94.offset, 1); {1115#true} is VALID [2022-04-08 04:07:12,078 INFO L272 TraceCheckUtils]: 25: Hoare triple {1115#true} call #t~ret21 := Id_MCDC_92(#t~mem20, ~Id_MCDC_122~0); {1115#true} is VALID [2022-04-08 04:07:12,078 INFO L290 TraceCheckUtils]: 26: Hoare triple {1115#true} ~Id_MCDC_90 := #in~Id_MCDC_90;~Id_MCDC_91 := #in~Id_MCDC_91;~Id_MCDC_117~0 := 0;~Id_MCDC_118~0 := 0;~Id_MCDC_119~0 := 1;~Id_MCDC_120~0 := 0; {1115#true} is VALID [2022-04-08 04:07:12,079 INFO L290 TraceCheckUtils]: 27: Hoare triple {1115#true} assume ~Id_MCDC_90 % 4294967296 > ~Id_MCDC_91 % 4294967296;~Id_MCDC_117~0 := ~Id_MCDC_90;~Id_MCDC_118~0 := ~Id_MCDC_91; {1115#true} is VALID [2022-04-08 04:07:12,079 INFO L290 TraceCheckUtils]: 28: Hoare triple {1115#true} assume !!(0 != ~Id_MCDC_119~0 % 4294967296); {1115#true} is VALID [2022-04-08 04:07:12,079 INFO L272 TraceCheckUtils]: 29: Hoare triple {1115#true} call avoid_zero((if 0 != ~Id_MCDC_118~0 % 4294967296 then 1 else 0)); {1115#true} is VALID [2022-04-08 04:07:12,079 INFO L290 TraceCheckUtils]: 30: Hoare triple {1115#true} ~y := #in~y; {1115#true} is VALID [2022-04-08 04:07:12,079 INFO L290 TraceCheckUtils]: 31: Hoare triple {1115#true} assume !(0 == ~y); {1115#true} is VALID [2022-04-08 04:07:12,080 INFO L290 TraceCheckUtils]: 32: Hoare triple {1115#true} assume true; {1115#true} is VALID [2022-04-08 04:07:12,083 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1115#true} {1115#true} #361#return; {1115#true} is VALID [2022-04-08 04:07:12,083 INFO L290 TraceCheckUtils]: 34: Hoare triple {1115#true} ~Id_MCDC_120~0 := (if ~Id_MCDC_117~0 % 4294967296 < 0 && 0 != ~Id_MCDC_117~0 % 4294967296 % (~Id_MCDC_118~0 % 4294967296) then (if ~Id_MCDC_118~0 % 4294967296 < 0 then ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296) - 1 else 1 + ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296)) else ~Id_MCDC_117~0 % 4294967296 / (~Id_MCDC_118~0 % 4294967296)); {1115#true} is VALID [2022-04-08 04:07:12,084 INFO L272 TraceCheckUtils]: 35: Hoare triple {1115#true} call __VERIFIER_assert((if (~Id_MCDC_117~0 - ~Id_MCDC_120~0 * ~Id_MCDC_118~0) % 4294967296 >= 0 && (~Id_MCDC_117~0 - ~Id_MCDC_120~0 * ~Id_MCDC_118~0) % 4294967296 <= 4294967295 then 1 else 0)); {1225#(<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)} is VALID [2022-04-08 04:07:12,086 INFO L290 TraceCheckUtils]: 36: Hoare triple {1225#(<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)} ~Id_MCDC_103 := #in~Id_MCDC_103; {1229#(<= 1 __VERIFIER_assert_~Id_MCDC_103)} is VALID [2022-04-08 04:07:12,086 INFO L290 TraceCheckUtils]: 37: Hoare triple {1229#(<= 1 __VERIFIER_assert_~Id_MCDC_103)} assume 0 == ~Id_MCDC_103; {1116#false} is VALID [2022-04-08 04:07:12,087 INFO L290 TraceCheckUtils]: 38: Hoare triple {1116#false} assume !false; {1116#false} is VALID [2022-04-08 04:07:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 04:07:12,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 04:07:12,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:07:12,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886648709] [2022-04-08 04:07:12,088 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 04:07:12,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168730538] [2022-04-08 04:07:12,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168730538] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:12,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:12,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:12,090 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:07:12,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [970025056] [2022-04-08 04:07:12,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [970025056] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:07:12,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:07:12,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 04:07:12,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840702024] [2022-04-08 04:07:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:07:12,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-04-08 04:07:12,092 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:07:12,092 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:12,120 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:12,121 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 04:07:12,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:07:12,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 04:07:12,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 04:07:12,122 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:12,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:12,477 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-04-08 04:07:12,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-08 04:07:12,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-04-08 04:07:12,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:07:12,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:12,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions. [2022-04-08 04:07:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions. [2022-04-08 04:07:12,482 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 165 transitions. [2022-04-08 04:07:12,588 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:12,588 INFO L225 Difference]: With dead ends: 119 [2022-04-08 04:07:12,588 INFO L226 Difference]: Without dead ends: 0 [2022-04-08 04:07:12,589 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-08 04:07:12,590 INFO L913 BasicCegarLoop]: 160 mSDtfsCounter, 5 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 04:07:12,590 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 477 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 04:07:12,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-08 04:07:12,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-08 04:07:12,591 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:07:12,591 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-04-08 04:07:12,591 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-04-08 04:07:12,591 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-04-08 04:07:12,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:12,591 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 04:07:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:12,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:12,592 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:12,592 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-04-08 04:07:12,592 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-04-08 04:07:12,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:07:12,592 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 04:07:12,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:12,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:12,592 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:07:12,592 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:07:12,592 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:07:12,592 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) [2022-04-08 04:07:12,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-08 04:07:12,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-04-08 04:07:12,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:07:12,593 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-08 04:07:12,593 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-08 04:07:12,593 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2022-04-08 04:07:12,593 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:07:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 04:07:12,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:07:12,595 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 04:07:12,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-08 04:07:12,796 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 04:07:12,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-08 04:07:13,409 INFO L882 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-04-08 04:07:13,409 INFO L882 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-04-08 04:07:13,409 INFO L882 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-04-08 04:07:13,410 INFO L885 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-04-08 04:07:13,410 INFO L885 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-04-08 04:07:13,410 INFO L885 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-04-08 04:07:13,410 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-04-08 04:07:13,410 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:13,410 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:13,410 INFO L885 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-04-08 04:07:13,410 INFO L885 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-04-08 04:07:13,411 INFO L885 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-04-08 04:07:13,411 INFO L885 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-04-08 04:07:13,412 INFO L885 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-04-08 04:07:13,413 INFO L878 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:13,413 INFO L885 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L878 garLoopResultBuilder]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point L274-1(line 274) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-04-08 04:07:13,414 INFO L885 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-04-08 04:07:13,415 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-04-08 04:07:13,415 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-04-08 04:07:13,415 INFO L878 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:13,415 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:13,415 INFO L878 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:13,415 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:13,415 INFO L878 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:13,415 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:13,415 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-04-08 04:07:13,415 INFO L878 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:13,416 INFO L878 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:13,416 INFO L878 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:13,416 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:13,416 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-04-08 04:07:13,416 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-04-08 04:07:13,416 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:13,416 INFO L882 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-04-08 04:07:13,416 INFO L882 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:13,416 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-04-08 04:07:13,416 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-04-08 04:07:13,416 INFO L885 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-04-08 04:07:13,416 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-04-08 04:07:13,417 INFO L885 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:13,418 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:13,419 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-08 04:07:13,420 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-04-08 04:07:13,421 INFO L885 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:13,421 INFO L885 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-04-08 04:07:13,421 INFO L885 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:13,421 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-08 04:07:13,421 INFO L878 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-04-08 04:07:13,421 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-04-08 04:07:13,421 INFO L878 garLoopResultBuilder]: At program point L461(lines 461 464) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-08 04:07:13,421 INFO L878 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-08 04:07:13,421 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (<= 1 __VERIFIER_assert_~Id_MCDC_103) (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|))) [2022-04-08 04:07:13,421 INFO L878 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (not (<= 1 |__VERIFIER_assert_#in~Id_MCDC_103|)) [2022-04-08 04:07:13,426 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-08 04:07:13,428 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 04:07:13,431 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-08 04:07:13,432 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-08 04:07:13,434 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-08 04:07:13,435 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 04:07:13,435 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-08 04:07:13,438 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-08 04:07:13,444 INFO L163 areAnnotationChecker]: CFG has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 04:07:13,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 04:07:13 BoogieIcfgContainer [2022-04-08 04:07:13,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 04:07:13,465 INFO L158 Benchmark]: Toolchain (without parser) took 5449.87ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 125.8MB in the beginning and 135.1MB in the end (delta: -9.3MB). Peak memory consumption was 100.3MB. Max. memory is 8.0GB. [2022-04-08 04:07:13,465 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 04:07:13,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.27ms. Allocated memory is still 178.3MB. Free memory was 125.6MB in the beginning and 143.7MB in the end (delta: -18.1MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-04-08 04:07:13,465 INFO L158 Benchmark]: Boogie Preprocessor took 64.37ms. Allocated memory is still 178.3MB. Free memory was 143.7MB in the beginning and 139.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-08 04:07:13,465 INFO L158 Benchmark]: RCFGBuilder took 667.42ms. Allocated memory is still 178.3MB. Free memory was 139.1MB in the beginning and 151.9MB in the end (delta: -12.8MB). Peak memory consumption was 45.7MB. Max. memory is 8.0GB. [2022-04-08 04:07:13,466 INFO L158 Benchmark]: TraceAbstraction took 4366.96ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 151.4MB in the beginning and 135.1MB in the end (delta: 16.3MB). Peak memory consumption was 124.3MB. Max. memory is 8.0GB. [2022-04-08 04:07:13,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 344.27ms. Allocated memory is still 178.3MB. Free memory was 125.6MB in the beginning and 143.7MB in the end (delta: -18.1MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.37ms. Allocated memory is still 178.3MB. Free memory was 143.7MB in the beginning and 139.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 667.42ms. Allocated memory is still 178.3MB. Free memory was 139.1MB in the beginning and 151.9MB in the end (delta: -12.8MB). Peak memory consumption was 45.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4366.96ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 151.4MB in the beginning and 135.1MB in the end (delta: 16.3MB). Peak memory consumption was 124.3MB. 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 - PositiveResult [Line: 463]: 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 14 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 615 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 293 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 128 LocationsWithAnnotation, 424 PreInvPairs, 536 NumberOfFragments, 354 HoareAnnotationTreeSize, 424 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 128 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 <= Id_MCDC_103 || !(1 <= \old(Id_MCDC_103)) RESULT: Ultimate proved your program to be correct! [2022-04-08 04:07:13,504 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...