./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16cd8401275d965058442f4c39d1da335e2aa9f4 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:24:54,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:24:54,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:24:54,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:24:54,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:24:54,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:24:54,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:24:54,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:24:54,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:24:54,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:24:54,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:24:54,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:24:54,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:24:54,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:24:54,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:24:54,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:24:54,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:24:54,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:24:54,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:24:54,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:24:54,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:24:54,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:24:54,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:24:54,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:24:54,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:24:54,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:24:54,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:24:54,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:24:54,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:24:54,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:24:54,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:24:54,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:24:54,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:24:54,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:24:54,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:24:54,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:24:54,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:24:54,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:24:54,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:24:54,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:24:54,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:24:54,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 16:24:54,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:24:54,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:24:54,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:24:54,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:24:54,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:24:54,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:24:54,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:24:54,193 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:24:54,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:24:54,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:24:54,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:24:54,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:24:54,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:24:54,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:24:54,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:24:54,196 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 16:24:54,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:24:54,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:24:54,197 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:24:54,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:24:54,198 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:24:54,198 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:24:54,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:24:54,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:24:54,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:24:54,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:24:54,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:24:54,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:24:54,201 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:24:54,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:24:54,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:24:54,202 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:/tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16cd8401275d965058442f4c39d1da335e2aa9f4 [2020-12-01 16:24:54,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:24:54,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:24:54,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:24:54,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:24:54,530 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:24:54,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2020-12-01 16:24:54,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/data/d7a9f3ae7/b2fa7aa04edb46a4a8493da1eddeb34f/FLAG85d9b88c6 [2020-12-01 16:24:55,171 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:24:55,172 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2020-12-01 16:24:55,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/data/d7a9f3ae7/b2fa7aa04edb46a4a8493da1eddeb34f/FLAG85d9b88c6 [2020-12-01 16:24:55,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/data/d7a9f3ae7/b2fa7aa04edb46a4a8493da1eddeb34f [2020-12-01 16:24:55,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:24:55,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:24:55,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:24:55,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:24:55,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:24:55,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:55,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31408a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55, skipping insertion in model container [2020-12-01 16:24:55,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:55,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:24:55,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:24:55,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:24:55,882 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:24:55,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:24:55,952 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:24:55,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55 WrapperNode [2020-12-01 16:24:55,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:24:55,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:24:55,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:24:55,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:24:55,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:55,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:56,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:24:56,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:24:56,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:24:56,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:24:56,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:56,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:56,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:56,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:56,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:56,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:56,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... [2020-12-01 16:24:56,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:24:56,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:24:56,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:24:56,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:24:56,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:24:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b36dbdc6-cf2a-4cc3-a265-1b18aff094e3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-12-01 16:24:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:24:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:24:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2020-12-01 16:24:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2020-12-01 16:24:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:24:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:24:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2020-12-01 16:24:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2020-12-01 16:24:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 16:24:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 16:24:57,176 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:24:57,176 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-01 16:24:57,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:57 BoogieIcfgContainer [2020-12-01 16:24:57,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:24:57,181 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:24:57,181 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:24:57,200 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:24:57,201 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:57" (1/1) ... [2020-12-01 16:24:57,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:24:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2020-12-01 16:24:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2020-12-01 16:24:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:24:57,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 78 states and 92 transitions. [2020-12-01 16:24:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2020-12-01 16:24:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 16:24:57,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:57,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2020-12-01 16:24:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2020-12-01 16:24:57,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:24:57,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2020-12-01 16:24:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2020-12-01 16:24:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:24:57,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:57,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2020-12-01 16:24:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2020-12-01 16:24:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:24:57,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 91 states and 113 transitions. [2020-12-01 16:24:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2020-12-01 16:24:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:24:58,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:58,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:58,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:58,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 92 states and 114 transitions. [2020-12-01 16:24:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2020-12-01 16:24:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:24:58,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 93 states and 115 transitions. [2020-12-01 16:24:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2020-12-01 16:24:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:24:58,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 95 states and 119 transitions. [2020-12-01 16:24:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2020-12-01 16:24:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 16:24:58,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 101 states and 129 transitions. [2020-12-01 16:24:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2020-12-01 16:24:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:24:58,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:24:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 128 transitions. [2020-12-01 16:24:58,936 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2020-12-01 16:24:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:24:58,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:24:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 104 states and 135 transitions. [2020-12-01 16:24:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2020-12-01 16:24:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:24:59,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:24:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:24:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 134 transitions. [2020-12-01 16:24:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2020-12-01 16:24:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:24:59,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:24:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:24:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 111 states and 147 transitions. [2020-12-01 16:25:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2020-12-01 16:25:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:25:00,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 151 transitions. [2020-12-01 16:25:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 151 transitions. [2020-12-01 16:25:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:25:00,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:25:00,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:25:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:25:00,117 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:25:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:25:00,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:25:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:25:00,193 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:25:00,308 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2020-12-01 16:25:00,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:25:00 ImpRootNode [2020-12-01 16:25:00,350 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:25:00,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:25:00,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:25:00,351 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:25:00,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:24:57" (3/4) ... [2020-12-01 16:25:00,356 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 16:25:00,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:25:00,359 INFO L168 Benchmark]: Toolchain (without parser) took 4818.00 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 61.5 MB in the beginning and 87.3 MB in the end (delta: -25.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:00,360 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 92.3 MB. Free memory was 50.9 MB in the beginning and 50.8 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:25:00,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.13 ms. Allocated memory is still 92.3 MB. Free memory was 61.3 MB in the beginning and 66.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:00,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.46 ms. Allocated memory is still 92.3 MB. Free memory was 66.6 MB in the beginning and 64.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:00,363 INFO L168 Benchmark]: Boogie Preprocessor took 55.01 ms. Allocated memory is still 92.3 MB. Free memory was 64.6 MB in the beginning and 63.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:00,364 INFO L168 Benchmark]: RCFGBuilder took 1061.92 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 63.3 MB in the beginning and 83.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:00,366 INFO L168 Benchmark]: CodeCheck took 3169.18 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 83.5 MB in the beginning and 88.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:00,367 INFO L168 Benchmark]: Witness Printer took 6.04 ms. Allocated memory is still 134.2 MB. Free memory was 88.4 MB in the beginning and 87.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:25:00,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 78 locations, 20 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 250896 SDtfs, 111078 SDslu, 103956 SDs, 0 SdLazy, 199952 SolverSat, 54894 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1350 SyntacticMatches, 15 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 4501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 73]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 72. Possible FailurePath: [L222] unsigned int a ; [L223] unsigned int ma = __VERIFIER_nondet_uint(); [L224] signed char ea = __VERIFIER_nondet_char(); [L225] unsigned int b ; [L226] unsigned int mb = __VERIFIER_nondet_uint(); [L227] signed char eb = __VERIFIER_nondet_char(); [L228] unsigned int r_add1 ; [L229] unsigned int r_add2 ; [L230] unsigned int zero ; [L231] int tmp ; [L232] int tmp___0 ; [L233] int __retres14 ; [L237] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L21] unsigned int res ; [L22] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L25] COND TRUE ! m [L26] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L76] return (__retres4); [L237] RET, EXPR base2flt(0, 0) [L237] zero = base2flt(0, 0) [L238] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m)=16777216] [L21] unsigned int res ; [L22] unsigned int __retres4 ; VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L25] COND FALSE !(! m) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L31] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L53] COND TRUE 1 VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L55] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L72] m = m & ~ (1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127] [L73] EXPR e + 128 VAL [\old(e)=127, \old(m)=16777216, e=127] [L73] (e + 128) << 24U VAL [\old(e)=127, \old(m)=16777216, e=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 ms. Allocated memory is still 92.3 MB. Free memory was 50.9 MB in the beginning and 50.8 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.13 ms. Allocated memory is still 92.3 MB. Free memory was 61.3 MB in the beginning and 66.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.46 ms. Allocated memory is still 92.3 MB. Free memory was 66.6 MB in the beginning and 64.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.01 ms. Allocated memory is still 92.3 MB. Free memory was 64.6 MB in the beginning and 63.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1061.92 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 63.3 MB in the beginning and 83.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * CodeCheck took 3169.18 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 83.5 MB in the beginning and 88.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Witness Printer took 6.04 ms. Allocated memory is still 134.2 MB. Free memory was 88.4 MB in the beginning and 87.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...