/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 07:27:41,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 07:27:41,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 07:27:41,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-01 07:27:41,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 07:27:41,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 07:27:41,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 07:27:41,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 07:27:41,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 07:27:41,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 07:27:41,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 07:27:41,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 07:27:41,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 07:27:41,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 07:27:41,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 07:27:41,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 07:27:41,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-01 07:27:41,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-01 07:27:41,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-01 07:27:41,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-01 07:27:41,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-01 07:27:41,262 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 07:27:41,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 07:27:41,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 07:27:41,279 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 07:27:41,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 07:27:41,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 07:27:41,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 07:27:41,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 07:27:41,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 07:27:41,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 07:27:41,281 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 07:27:41,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 07:27:41,282 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 07:27:41,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 07:27:41,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 07:27:41,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 07:27:41,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 07:27:41,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 07:27:41,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 07:27:41,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 07:27:41,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-01 07:27:41,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-01 07:27:41,284 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-01 07:27:41,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 07:27:41,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 07:27:41,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 07:27:41,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 07:27:41,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 07:27:41,724 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 07:27:41,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2021-05-01 07:27:41,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a3dfdd7f/f400db6a999e4f57b3988807dc5c96a0/FLAG9a554b369 [2021-05-01 07:27:42,517 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 07:27:42,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2021-05-01 07:27:42,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a3dfdd7f/f400db6a999e4f57b3988807dc5c96a0/FLAG9a554b369 [2021-05-01 07:27:42,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a3dfdd7f/f400db6a999e4f57b3988807dc5c96a0 [2021-05-01 07:27:42,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 07:27:42,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-01 07:27:42,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 07:27:42,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 07:27:42,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 07:27:42,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 07:27:42" (1/1) ... [2021-05-01 07:27:42,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bbe193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:42, skipping insertion in model container [2021-05-01 07:27:42,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 07:27:42" (1/1) ... [2021-05-01 07:27:42,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 07:27:42,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 07:27:43,204 WARN L224 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_1.c[11890,11903] [2021-05-01 07:27:43,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 07:27:43,287 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 07:27:43,397 WARN L224 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_1.c[11890,11903] [2021-05-01 07:27:43,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 07:27:43,419 INFO L208 MainTranslator]: Completed translation [2021-05-01 07:27:43,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43 WrapperNode [2021-05-01 07:27:43,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 07:27:43,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 07:27:43,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 07:27:43,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 07:27:43,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (1/1) ... [2021-05-01 07:27:43,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (1/1) ... [2021-05-01 07:27:43,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (1/1) ... [2021-05-01 07:27:43,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (1/1) ... [2021-05-01 07:27:43,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (1/1) ... [2021-05-01 07:27:43,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (1/1) ... [2021-05-01 07:27:43,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (1/1) ... [2021-05-01 07:27:43,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 07:27:43,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 07:27:43,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 07:27:43,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 07:27:43,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 07:27:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 07:27:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 07:27:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 07:27:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-01 07:27:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2021-05-01 07:27:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2021-05-01 07:27:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2021-05-01 07:27:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2021-05-01 07:27:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2021-05-01 07:27:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2021-05-01 07:27:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2021-05-01 07:27:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2021-05-01 07:27:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 07:27:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 07:27:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-01 07:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 07:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 07:27:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 07:27:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-01 07:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2021-05-01 07:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-05-01 07:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2021-05-01 07:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2021-05-01 07:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2021-05-01 07:27:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 07:27:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 07:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 07:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 07:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-05-01 07:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-01 07:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 07:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-05-01 07:27:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 07:27:44,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 07:27:44,636 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-05-01 07:27:44,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 07:27:44 BoogieIcfgContainer [2021-05-01 07:27:44,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 07:27:44,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 07:27:44,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 07:27:44,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 07:27:44,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 07:27:42" (1/3) ... [2021-05-01 07:27:44,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383194aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 07:27:44, skipping insertion in model container [2021-05-01 07:27:44,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:27:43" (2/3) ... [2021-05-01 07:27:44,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383194aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 07:27:44, skipping insertion in model container [2021-05-01 07:27:44,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 07:27:44" (3/3) ... [2021-05-01 07:27:44,648 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2021-05-01 07:27:44,654 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-01 07:27:44,659 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 07:27:44,677 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 07:27:44,708 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 07:27:44,712 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-01 07:27:44,713 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-01 07:27:44,713 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 07:27:44,713 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 07:27:44,713 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 07:27:44,713 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 07:27:44,713 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 07:27:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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) [2021-05-01 07:27:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-01 07:27:44,751 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 07:27:44,752 INFO L519 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] [2021-05-01 07:27:44,752 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 07:27:44,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 07:27:44,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 1 times [2021-05-01 07:27:44,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 07:27:44,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854981279] [2021-05-01 07:27:44,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 07:27:44,836 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-01 07:27:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:27:45,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:45,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:45,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:45,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:45,334 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-01 07:27:45,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 07:27:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:27:45,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:45,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-01 07:27:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:27:45,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:45,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:45,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:45,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:45,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-01 07:27:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:27:45,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:45,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:45,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:45,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 07:27:45,400 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 07:27:45,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854981279] [2021-05-01 07:27:45,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1854981279] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 07:27:45,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 07:27:45,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-01 07:27:45,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504706277] [2021-05-01 07:27:45,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-01 07:27:45,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 07:27:45,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-01 07:27:45,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-01 07:27:45,446 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-01 07:27:45,642 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-05-01 07:27:46,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 07:27:46,397 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2021-05-01 07:27:46,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-01 07:27:46,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2021-05-01 07:27:46,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 07:27:46,419 INFO L225 Difference]: With dead ends: 241 [2021-05-01 07:27:46,419 INFO L226 Difference]: Without dead ends: 118 [2021-05-01 07:27:46,430 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 427.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-01 07:27:46,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-05-01 07:27:46,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-05-01 07:27:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2021-05-01 07:27:46,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2021-05-01 07:27:46,570 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2021-05-01 07:27:46,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 07:27:46,572 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2021-05-01 07:27:46,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-01 07:27:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2021-05-01 07:27:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-01 07:27:46,581 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 07:27:46,582 INFO L519 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] [2021-05-01 07:27:46,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 07:27:46,582 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 07:27:46,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 07:27:46,583 INFO L82 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 1 times [2021-05-01 07:27:46,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 07:27:46,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991565479] [2021-05-01 07:27:46,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 07:27:46,588 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-01 07:27:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:27:46,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:46,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:46,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:46,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 07:27:46,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:46,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 07:27:46,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:46,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:46,872 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-01 07:27:46,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 07:27:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:27:46,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:46,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:46,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-01 07:27:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:27:46,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:46,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:46,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-01 07:27:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:27:46,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:27:46,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:27:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 07:27:46,968 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 07:27:46,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991565479] [2021-05-01 07:27:46,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [991565479] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 07:27:46,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 07:27:46,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-01 07:27:46,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426270374] [2021-05-01 07:27:46,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-01 07:27:46,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 07:27:46,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-01 07:27:46,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-01 07:27:46,974 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-01 07:27:47,150 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-05-01 07:27:47,766 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-05-01 07:27:47,938 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-05-01 07:27:48,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 07:27:48,168 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2021-05-01 07:27:48,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-01 07:27:48,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 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 38 [2021-05-01 07:27:48,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 07:27:48,170 INFO L225 Difference]: With dead ends: 118 [2021-05-01 07:27:48,170 INFO L226 Difference]: Without dead ends: 0 [2021-05-01 07:27:48,172 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 639.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-05-01 07:27:48,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-01 07:27:48,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-01 07:27:48,172 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) [2021-05-01 07:27:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-01 07:27:48,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-05-01 07:27:48,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 07:27:48,173 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-01 07:27:48,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-01 07:27:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-01 07:27:48,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-01 07:27:48,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-01 07:27:48,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-01 07:27:49,872 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-05-01 07:27:50,348 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-05-01 07:27:50,465 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-05-01 07:27:51,042 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 7 [2021-05-01 07:27:51,168 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-05-01 07:27:51,168 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-05-01 07:27:51,168 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-05-01 07:27:51,168 INFO L201 CegarLoopUtils]: At program point L321(line 321) the Hoare annotation is: true [2021-05-01 07:27:51,169 INFO L201 CegarLoopUtils]: At program point L322-1(line 322) the Hoare annotation is: true [2021-05-01 07:27:51,169 INFO L201 CegarLoopUtils]: At program point L321-1(line 321) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point L315(line 315) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point L315-1(line 315) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point L313(lines 313 320) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point L309(lines 309 312) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point L322(line 322) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L201 CegarLoopUtils]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2021-05-01 07:27:51,170 INFO L194 CegarLoopUtils]: At program point Id_MCDC_115ENTRY(lines 356 424) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point Id_MCDC_115FINAL(lines 356 424) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L403(line 403) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L383-2(lines 383 421) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L396(line 396) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L413(line 413) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L413-1(line 413) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L401-2(lines 401 418) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point Id_MCDC_115EXIT(lines 356 424) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L414(lines 414 417) the Hoare annotation is: true [2021-05-01 07:27:51,171 INFO L201 CegarLoopUtils]: At program point L381(lines 381 422) the Hoare annotation is: true [2021-05-01 07:27:51,172 INFO L201 CegarLoopUtils]: At program point L377-2(lines 377 380) the Hoare annotation is: true [2021-05-01 07:27:51,172 INFO L201 CegarLoopUtils]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2021-05-01 07:27:51,172 INFO L201 CegarLoopUtils]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2021-05-01 07:27:51,172 INFO L201 CegarLoopUtils]: At program point L390(line 390) the Hoare annotation is: true [2021-05-01 07:27:51,172 INFO L201 CegarLoopUtils]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2021-05-01 07:27:51,172 INFO L201 CegarLoopUtils]: At program point L386(line 386) the Hoare annotation is: true [2021-05-01 07:27:51,174 INFO L201 CegarLoopUtils]: At program point Id_MCDC_114EXIT(lines 325 355) the Hoare annotation is: true [2021-05-01 07:27:51,174 INFO L201 CegarLoopUtils]: At program point L343(lines 343 348) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L343-1(lines 341 353) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L341(line 341) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L341-2(line 341) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L341-3(line 341) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L341-5(lines 341 353) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L329(lines 329 332) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2021-05-01 07:27:51,175 INFO L201 CegarLoopUtils]: At program point Id_MCDC_114FINAL(lines 325 355) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point L336(lines 336 339) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point L286(lines 286 294) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point Id_MCDC_110FINAL(lines 274 304) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point Id_MCDC_110EXIT(lines 274 304) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point L280(lines 280 294) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point L298(line 298) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point L297(line 297) the Hoare annotation is: true [2021-05-01 07:27:51,176 INFO L201 CegarLoopUtils]: At program point L297-1(line 297) the Hoare annotation is: true [2021-05-01 07:27:51,177 INFO L201 CegarLoopUtils]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2021-05-01 07:27:51,178 INFO L201 CegarLoopUtils]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2021-05-01 07:27:51,179 INFO L194 CegarLoopUtils]: At program point L478(lines 478 481) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2021-05-01 07:27:51,179 INFO L194 CegarLoopUtils]: At program point mainENTRY(lines 452 484) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2021-05-01 07:27:51,179 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 452 484) the Hoare annotation is: true [2021-05-01 07:27:51,180 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 452 484) the Hoare annotation is: true [2021-05-01 07:27:51,180 INFO L194 CegarLoopUtils]: At program point L483(line 483) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2021-05-01 07:27:51,180 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2021-05-01 07:27:51,181 INFO L198 CegarLoopUtils]: For program point L6(line 6) no Hoare annotation was computed. [2021-05-01 07:27:51,184 INFO L198 CegarLoopUtils]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2021-05-01 07:27:51,184 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2021-05-01 07:27:51,184 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#length)| |#length|) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |#t~string6.base| |old(#t~string6.base)|) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= |old(#t~string70.base)| |#t~string70.base|) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |old(#t~string42.base)| |#t~string42.base|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(#t~string37.base)| |#t~string37.base|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string16.base)| |#t~string16.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|)) [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point L11(lines 11 14) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2021-05-01 07:27:51,185 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2021-05-01 07:27:51,185 INFO L194 CegarLoopUtils]: At program point L489(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2021-05-01 07:27:51,186 INFO L194 CegarLoopUtils]: At program point L487(lines 487 490) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2021-05-01 07:27:51,186 INFO L194 CegarLoopUtils]: At program point L487-2(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2021-05-01 07:27:51,186 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2021-05-01 07:27:51,186 INFO L194 CegarLoopUtils]: At program point Id_MCDC_117ENTRY(lines 425 444) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2021-05-01 07:27:51,186 INFO L201 CegarLoopUtils]: At program point L442(line 442) the Hoare annotation is: true [2021-05-01 07:27:51,186 INFO L201 CegarLoopUtils]: At program point Id_MCDC_117FINAL(lines 425 444) the Hoare annotation is: true [2021-05-01 07:27:51,186 INFO L201 CegarLoopUtils]: At program point L430(line 430) the Hoare annotation is: true [2021-05-01 07:27:51,186 INFO L201 CegarLoopUtils]: At program point L430-1(line 430) the Hoare annotation is: true [2021-05-01 07:27:51,186 INFO L201 CegarLoopUtils]: At program point L433(line 433) the Hoare annotation is: true [2021-05-01 07:27:51,186 INFO L201 CegarLoopUtils]: At program point L433-2(lines 433 440) the Hoare annotation is: true [2021-05-01 07:27:51,186 INFO L201 CegarLoopUtils]: At program point L431-2(lines 431 441) the Hoare annotation is: true [2021-05-01 07:27:51,186 INFO L201 CegarLoopUtils]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point Id_MCDC_117EXIT(lines 425 444) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L194 CegarLoopUtils]: At program point L449(line 449) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2021-05-01 07:27:51,187 INFO L194 CegarLoopUtils]: At program point Id_MCDC_118ENTRY(lines 445 451) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0)) [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point Id_MCDC_118FINAL(lines 445 451) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point Id_MCDC_118EXIT(lines 445 451) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point L254(lines 254 257) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point L246(line 246) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point L242(line 242) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point L242-2(line 242) the Hoare annotation is: true [2021-05-01 07:27:51,187 INFO L201 CegarLoopUtils]: At program point L234(lines 234 250) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L259(line 259) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L259-2(line 259) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L259-3(line 259) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L259-5(lines 259 271) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L243(line 243) the Hoare annotation is: true [2021-05-01 07:27:51,190 INFO L201 CegarLoopUtils]: At program point L239(line 239) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L239-2(line 239) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L227(lines 227 233) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L223(lines 223 226) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L248(line 248) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L240(line 240) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L236(line 236) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L236-2(line 236) the Hoare annotation is: true [2021-05-01 07:27:51,191 INFO L201 CegarLoopUtils]: At program point L261(lines 261 266) the Hoare annotation is: true [2021-05-01 07:27:51,192 INFO L201 CegarLoopUtils]: At program point L261-1(lines 259 271) the Hoare annotation is: true [2021-05-01 07:27:51,192 INFO L201 CegarLoopUtils]: At program point L245(line 245) the Hoare annotation is: true [2021-05-01 07:27:51,192 INFO L201 CegarLoopUtils]: At program point L245-2(line 245) the Hoare annotation is: true [2021-05-01 07:27:51,192 INFO L201 CegarLoopUtils]: At program point L237(line 237) the Hoare annotation is: true [2021-05-01 07:27:51,192 INFO L201 CegarLoopUtils]: At program point L229(lines 229 232) the Hoare annotation is: true [2021-05-01 07:27:51,193 INFO L201 CegarLoopUtils]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2021-05-01 07:27:51,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 07:27:51 BoogieIcfgContainer [2021-05-01 07:27:51,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-01 07:27:51,217 INFO L168 Benchmark]: Toolchain (without parser) took 8394.91 ms. Allocated memory was 179.3 MB in the beginning and 316.7 MB in the end (delta: 137.4 MB). Free memory was 144.2 MB in the beginning and 248.9 MB in the end (delta: -104.6 MB). Peak memory consumption was 170.2 MB. Max. memory is 8.0 GB. [2021-05-01 07:27:51,217 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 179.3 MB. Free memory is still 161.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-01 07:27:51,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.24 ms. Allocated memory is still 179.3 MB. Free memory was 144.0 MB in the beginning and 157.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-05-01 07:27:51,219 INFO L168 Benchmark]: Boogie Preprocessor took 115.94 ms. Allocated memory is still 179.3 MB. Free memory was 157.2 MB in the beginning and 153.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-05-01 07:27:51,223 INFO L168 Benchmark]: RCFGBuilder took 1101.10 ms. Allocated memory is still 179.3 MB. Free memory was 153.2 MB in the beginning and 145.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 52.5 MB. Max. memory is 8.0 GB. [2021-05-01 07:27:51,224 INFO L168 Benchmark]: TraceAbstraction took 6573.97 ms. Allocated memory was 179.3 MB in the beginning and 316.7 MB in the end (delta: 137.4 MB). Free memory was 145.0 MB in the beginning and 248.9 MB in the end (delta: -103.8 MB). Peak memory consumption was 170.9 MB. Max. memory is 8.0 GB. [2021-05-01 07:27:51,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 179.3 MB. Free memory is still 161.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 596.24 ms. Allocated memory is still 179.3 MB. Free memory was 144.0 MB in the beginning and 157.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 115.94 ms. Allocated memory is still 179.3 MB. Free memory was 157.2 MB in the beginning and 153.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1101.10 ms. Allocated memory is still 179.3 MB. Free memory was 153.2 MB in the beginning and 145.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 52.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6573.97 ms. Allocated memory was 179.3 MB in the beginning and 316.7 MB in the end (delta: 137.4 MB). Free memory was 145.0 MB in the beginning and 248.9 MB in the end (delta: -103.8 MB). Peak memory consumption was 170.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 489]: 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, 134 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3470.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 23.6ms, AutomataDifference: 2218.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2992.6ms, InitialAbstractionConstructionTime: 21.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 274 SDtfs, 401 SDslu, 166 SDs, 0 SdLazy, 407 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 931.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1066.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 120.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 127 LocationsWithAnnotation, 422 PreInvPairs, 533 NumberOfFragments, 403 HoareAnnotationTreeSize, 422 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 1346.7ms HoareSimplificationTime, 127 FomulaSimplificationsInter, 10976 FormulaSimplificationTreeSizeReductionInter, 1559.4ms 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113: 1 - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115: 1 - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114: 1 - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110: 1 - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: Id_MCDC_121 == 1 || !(\old(Id_MCDC_121) == 1) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117: 1 - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107: 1 - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118: 1 RESULT: Ultimate proved your program to be correct! Received shutdown request...