/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:25:00,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:25:00,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:25:00,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:25:00,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:25:00,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:25:00,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:25:00,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:25:00,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:25:00,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:25:00,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:25:00,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:25:00,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:25:00,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:25:00,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:25:00,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:25:00,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:25:00,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:25:00,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:25:00,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:25:00,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:25:00,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:25:00,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:25:00,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:25:00,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:25:00,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:25:00,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:25:00,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:25:00,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:25:00,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:25:00,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:25:00,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:25:00,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:25:00,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:25:00,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:25:00,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:25:00,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:25:00,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:25:00,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:25:00,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:25:00,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:25:00,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:25:00,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:25:00,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:25:00,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:25:00,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:25:00,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:25:00,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:25:00,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:25:00,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:25:00,239 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:25:00,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:25:00,241 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:25:00,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:25:00,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:25:00,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:25:00,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:25:00,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:25:00,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:25:00,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:25:00,243 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:25:00,243 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:25:00,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:25:00,244 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:25:00,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:25:00,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:25:00,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:25:00,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:25:00,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:25:00,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:25:00,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:25:00,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:25:00,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:25:00,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:25:00,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:25:00,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:25:00,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:25:00,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:25:00,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:25:00,719 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:25:00,720 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:25:00,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2022-10-16 14:25:00,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dd5bb866/9b0467e253074c338d5f4047abe9b310/FLAG429c334d8 [2022-10-16 14:25:01,456 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:25:01,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2022-10-16 14:25:01,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dd5bb866/9b0467e253074c338d5f4047abe9b310/FLAG429c334d8 [2022-10-16 14:25:01,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dd5bb866/9b0467e253074c338d5f4047abe9b310 [2022-10-16 14:25:01,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:25:01,790 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:25:01,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:25:01,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:25:01,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:25:01,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:25:01" (1/1) ... [2022-10-16 14:25:01,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c67ebbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:01, skipping insertion in model container [2022-10-16 14:25:01,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:25:01" (1/1) ... [2022-10-16 14:25:01,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:25:01,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:25:02,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2022-10-16 14:25:02,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:25:02,145 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:25:02,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2022-10-16 14:25:02,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:25:02,270 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:25:02,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02 WrapperNode [2022-10-16 14:25:02,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:25:02,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:25:02,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:25:02,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:25:02,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,359 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2022-10-16 14:25:02,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:25:02,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:25:02,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:25:02,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:25:02,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:25:02,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:25:02,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:25:02,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:25:02,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (1/1) ... [2022-10-16 14:25:02,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:25:02,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:02,475 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) [2022-10-16 14:25:02,517 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 [2022-10-16 14:25:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:25:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:25:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-10-16 14:25:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-10-16 14:25:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:25:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:25:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:25:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:25:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:25:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-10-16 14:25:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:25:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-10-16 14:25:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-10-16 14:25:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:25:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:25:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:25:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-10-16 14:25:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-10-16 14:25:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:25:02,824 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:25:02,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:25:03,492 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:25:03,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:25:03,502 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-10-16 14:25:03,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:03 BoogieIcfgContainer [2022-10-16 14:25:03,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:25:03,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:25:03,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:25:03,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:25:03,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:25:01" (1/3) ... [2022-10-16 14:25:03,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1468a25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:25:03, skipping insertion in model container [2022-10-16 14:25:03,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:02" (2/3) ... [2022-10-16 14:25:03,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1468a25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:25:03, skipping insertion in model container [2022-10-16 14:25:03,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:03" (3/3) ... [2022-10-16 14:25:03,517 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2022-10-16 14:25:03,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:25:03,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-16 14:25:03,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:25:03,611 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64de5613, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:25:03,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-16 14:25:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 94 states have (on average 1.6063829787234043) internal successors, (151), 98 states have internal predecessors, (151), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-16 14:25:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:25:03,624 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:03,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:25:03,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 14:25:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:03,632 INFO L85 PathProgramCache]: Analyzing trace with hash 195699316, now seen corresponding path program 1 times [2022-10-16 14:25:03,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:03,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24058745] [2022-10-16 14:25:03,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:03,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:03,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:03,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:03,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24058745] [2022-10-16 14:25:03,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24058745] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:03,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:03,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 14:25:03,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932850457] [2022-10-16 14:25:03,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:03,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 14:25:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:04,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 14:25:04,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 14:25:04,024 INFO L87 Difference]: Start difference. First operand has 110 states, 94 states have (on average 1.6063829787234043) internal successors, (151), 98 states have internal predecessors, (151), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-10-16 14:25:04,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:04,075 INFO L93 Difference]: Finished difference Result 209 states and 330 transitions. [2022-10-16 14:25:04,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 14:25:04,077 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-10-16 14:25:04,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:04,084 INFO L225 Difference]: With dead ends: 209 [2022-10-16 14:25:04,084 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:25:04,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 14:25:04,096 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:04,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:25:04,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:25:04,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:25:04,127 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) [2022-10-16 14:25:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:25:04,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-10-16 14:25:04,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:04,129 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:25:04,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-10-16 14:25:04,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:25:04,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:25:04,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-10-16 14:25:04,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-10-16 14:25:04,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-10-16 14:25:04,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-10-16 14:25:04,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:25:04,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 14:25:04,183 INFO L899 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-10-16 14:25:04,183 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-10-16 14:25:04,183 INFO L899 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-10-16 14:25:04,184 INFO L902 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-10-16 14:25:04,184 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-10-16 14:25:04,184 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-10-16 14:25:04,184 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-10-16 14:25:04,185 INFO L899 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-10-16 14:25:04,185 INFO L899 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-10-16 14:25:04,185 INFO L899 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-10-16 14:25:04,185 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-10-16 14:25:04,186 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-10-16 14:25:04,186 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-10-16 14:25:04,186 INFO L899 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-10-16 14:25:04,186 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-10-16 14:25:04,187 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-10-16 14:25:04,187 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-10-16 14:25:04,187 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-10-16 14:25:04,187 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-10-16 14:25:04,187 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-10-16 14:25:04,188 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-10-16 14:25:04,188 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-10-16 14:25:04,188 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-10-16 14:25:04,188 INFO L899 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-10-16 14:25:04,189 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-10-16 14:25:04,189 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-10-16 14:25:04,189 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-10-16 14:25:04,189 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-10-16 14:25:04,190 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-10-16 14:25:04,190 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-10-16 14:25:04,190 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-10-16 14:25:04,190 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-10-16 14:25:04,191 INFO L902 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: true [2022-10-16 14:25:04,191 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-10-16 14:25:04,191 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-10-16 14:25:04,191 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-10-16 14:25:04,192 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-10-16 14:25:04,192 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-10-16 14:25:04,192 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-10-16 14:25:04,192 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-10-16 14:25:04,193 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-10-16 14:25:04,193 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-10-16 14:25:04,193 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-10-16 14:25:04,193 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-10-16 14:25:04,194 INFO L899 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-10-16 14:25:04,194 INFO L899 garLoopResultBuilder]: For program point L298-2(line 298) no Hoare annotation was computed. [2022-10-16 14:25:04,194 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-10-16 14:25:04,194 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-10-16 14:25:04,195 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-10-16 14:25:04,195 INFO L902 garLoopResultBuilder]: At program point L278(lines 249 279) the Hoare annotation is: true [2022-10-16 14:25:04,195 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-10-16 14:25:04,196 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-10-16 14:25:04,196 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-10-16 14:25:04,196 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 378) no Hoare annotation was computed. [2022-10-16 14:25:04,196 INFO L899 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-10-16 14:25:04,197 INFO L899 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-10-16 14:25:04,197 INFO L899 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-10-16 14:25:04,197 INFO L899 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-10-16 14:25:04,197 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-10-16 14:25:04,198 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-10-16 14:25:04,198 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-10-16 14:25:04,198 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-10-16 14:25:04,198 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-10-16 14:25:04,199 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 354) no Hoare annotation was computed. [2022-10-16 14:25:04,199 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 14:25:04,199 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 14:25:04,199 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-10-16 14:25:04,200 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-10-16 14:25:04,200 INFO L902 garLoopResultBuilder]: At program point L425(lines 420 426) the Hoare annotation is: true [2022-10-16 14:25:04,200 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 354) no Hoare annotation was computed. [2022-10-16 14:25:04,201 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-10-16 14:25:04,201 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-10-16 14:25:04,201 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-10-16 14:25:04,201 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-10-16 14:25:04,202 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-10-16 14:25:04,202 INFO L899 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-10-16 14:25:04,202 INFO L902 garLoopResultBuilder]: At program point L418(lines 400 419) the Hoare annotation is: true [2022-10-16 14:25:04,202 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-10-16 14:25:04,203 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-10-16 14:25:04,203 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-10-16 14:25:04,203 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-10-16 14:25:04,203 INFO L902 garLoopResultBuilder]: At program point L427(lines 427 458) the Hoare annotation is: true [2022-10-16 14:25:04,203 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-10-16 14:25:04,204 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-10-16 14:25:04,204 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-10-16 14:25:04,204 INFO L899 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2022-10-16 14:25:04,204 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2022-10-16 14:25:04,205 INFO L902 garLoopResultBuilder]: At program point L378-2(line 378) the Hoare annotation is: true [2022-10-16 14:25:04,205 INFO L899 garLoopResultBuilder]: For program point L378-3(lines 378 381) no Hoare annotation was computed. [2022-10-16 14:25:04,205 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-10-16 14:25:04,205 INFO L902 garLoopResultBuilder]: At program point L329(lines 300 330) the Hoare annotation is: true [2022-10-16 14:25:04,206 INFO L899 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2022-10-16 14:25:04,206 INFO L899 garLoopResultBuilder]: For program point L354-1(line 354) no Hoare annotation was computed. [2022-10-16 14:25:04,206 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 14:25:04,206 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-10-16 14:25:04,207 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-10-16 14:25:04,207 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 14:25:04,207 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-10-16 14:25:04,207 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-10-16 14:25:04,208 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 378) no Hoare annotation was computed. [2022-10-16 14:25:04,208 INFO L899 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-10-16 14:25:04,208 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2022-10-16 14:25:04,208 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2022-10-16 14:25:04,209 INFO L902 garLoopResultBuilder]: At program point L398(lines 331 399) the Hoare annotation is: true [2022-10-16 14:25:04,209 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-10-16 14:25:04,209 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-10-16 14:25:04,209 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-10-16 14:25:04,210 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-10-16 14:25:04,210 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-10-16 14:25:04,210 INFO L902 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-10-16 14:25:04,215 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-16 14:25:04,219 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 14:25:04,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:25:04 BoogieIcfgContainer [2022-10-16 14:25:04,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 14:25:04,236 INFO L158 Benchmark]: Toolchain (without parser) took 2450.20ms. Allocated memory is still 162.5MB. Free memory was 136.1MB in the beginning and 74.0MB in the end (delta: 62.2MB). Peak memory consumption was 62.1MB. Max. memory is 8.0GB. [2022-10-16 14:25:04,237 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 162.5MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:25:04,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.40ms. Allocated memory is still 162.5MB. Free memory was 135.9MB in the beginning and 119.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-10-16 14:25:04,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.41ms. Allocated memory is still 162.5MB. Free memory was 119.0MB in the beginning and 115.7MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 14:25:04,239 INFO L158 Benchmark]: Boogie Preprocessor took 71.49ms. Allocated memory is still 162.5MB. Free memory was 115.7MB in the beginning and 112.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-16 14:25:04,241 INFO L158 Benchmark]: RCFGBuilder took 1074.08ms. Allocated memory is still 162.5MB. Free memory was 112.1MB in the beginning and 110.7MB in the end (delta: 1.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-10-16 14:25:04,241 INFO L158 Benchmark]: TraceAbstraction took 725.58ms. Allocated memory is still 162.5MB. Free memory was 110.2MB in the beginning and 74.0MB in the end (delta: 36.2MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2022-10-16 14:25:04,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 162.5MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 479.40ms. Allocated memory is still 162.5MB. Free memory was 135.9MB in the beginning and 119.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 88.41ms. Allocated memory is still 162.5MB. Free memory was 119.0MB in the beginning and 115.7MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.49ms. Allocated memory is still 162.5MB. Free memory was 115.7MB in the beginning and 112.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1074.08ms. Allocated memory is still 162.5MB. Free memory was 112.1MB in the beginning and 110.7MB in the end (delta: 1.4MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * TraceAbstraction took 725.58ms. Allocated memory is still 162.5MB. Free memory was 110.2MB in the beginning and 74.0MB in the end (delta: 36.2MB). Peak memory consumption was 36.7MB. 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: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 110 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 154 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 71 PreInvPairs, 95 NumberOfFragments, 26 HoareAnnotationTreeSize, 71 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-16 14:25:04,310 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...