./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:14:03,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:14:03,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:14:03,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:14:03,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:14:03,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:14:03,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:14:03,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:14:03,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:14:03,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:14:03,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:14:03,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:14:03,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:14:03,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:14:03,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:14:03,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:14:03,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:14:03,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:14:03,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:14:03,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:14:03,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:14:03,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:14:03,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:14:03,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:14:03,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:14:03,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:14:03,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:14:03,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:14:03,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:14:03,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:14:03,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:14:03,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:14:03,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:14:03,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:14:03,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:14:03,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:14:03,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:14:03,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:14:03,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:14:03,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:14:03,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:14:03,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:14:03,459 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:14:03,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:14:03,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:14:03,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:14:03,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:14:03,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:14:03,462 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:14:03,463 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:14:03,463 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:14:03,463 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:14:03,464 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:14:03,465 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:14:03,465 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:14:03,465 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:14:03,465 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:14:03,466 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:14:03,466 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:14:03,466 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:14:03,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:14:03,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:14:03,467 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:14:03,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:14:03,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:14:03,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:14:03,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:14:03,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:14:03,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:14:03,470 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:14:03,470 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:14:03,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:14:03,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:14:03,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:14:03,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:14:03,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:14:03,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:14:03,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:14:03,472 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:14:03,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:14:03,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:14:03,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:14:03,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:14:03,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:14:03,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:14:03,474 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_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2022-11-22 01:14:03,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:14:03,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:14:03,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:14:03,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:14:03,813 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:14:03,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-11-22 01:14:07,001 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:14:07,262 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:14:07,262 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-11-22 01:14:07,270 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/data/c73c75282/967ed6b8dc194e66be2a49fd6a8b5857/FLAG96bd99c10 [2022-11-22 01:14:07,294 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/data/c73c75282/967ed6b8dc194e66be2a49fd6a8b5857 [2022-11-22 01:14:07,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:14:07,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:14:07,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:14:07,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:14:07,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:14:07,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f36634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07, skipping insertion in model container [2022-11-22 01:14:07,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:14:07,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:14:07,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-11-22 01:14:07,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:14:07,640 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:14:07,661 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-11-22 01:14:07,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:14:07,746 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:14:07,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07 WrapperNode [2022-11-22 01:14:07,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:14:07,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:14:07,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:14:07,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:14:07,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,815 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 216 [2022-11-22 01:14:07,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:14:07,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:14:07,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:14:07,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:14:07,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:14:07,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:14:07,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:14:07,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:14:07,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (1/1) ... [2022-11-22 01:14:07,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:14:07,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:14:07,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:14:07,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:14:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:14:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:14:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-11-22 01:14:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-11-22 01:14:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:14:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:14:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:14:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:14:08,096 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:14:08,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:14:08,695 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:14:08,988 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:14:08,988 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:14:08,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:14:08 BoogieIcfgContainer [2022-11-22 01:14:08,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:14:08,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:14:08,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:14:08,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:14:08,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:14:07" (1/3) ... [2022-11-22 01:14:09,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752b4f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:14:08, skipping insertion in model container [2022-11-22 01:14:09,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:07" (2/3) ... [2022-11-22 01:14:09,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752b4f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:14:09, skipping insertion in model container [2022-11-22 01:14:09,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:14:08" (3/3) ... [2022-11-22 01:14:09,014 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-2.c.cil.c [2022-11-22 01:14:09,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:14:09,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-22 01:14:09,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:14:09,114 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2317ef9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:14:09,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-22 01:14:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 49 states have (on average 1.7346938775510203) internal successors, (85), 71 states have internal predecessors, (85), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-22 01:14:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:14:09,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:09,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:09,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:14:09,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash -926391672, now seen corresponding path program 1 times [2022-11-22 01:14:09,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:09,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343300526] [2022-11-22 01:14:09,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:09,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:14:09,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:09,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343300526] [2022-11-22 01:14:09,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343300526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:09,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:09,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:14:09,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910376728] [2022-11-22 01:14:09,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:09,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:14:09,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:09,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:14:09,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:14:09,431 INFO L87 Difference]: Start difference. First operand has 80 states, 49 states have (on average 1.7346938775510203) internal successors, (85), 71 states have internal predecessors, (85), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:14:09,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:09,551 INFO L93 Difference]: Finished difference Result 156 states and 202 transitions. [2022-11-22 01:14:09,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:14:09,555 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-22 01:14:09,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:09,570 INFO L225 Difference]: With dead ends: 156 [2022-11-22 01:14:09,570 INFO L226 Difference]: Without dead ends: 66 [2022-11-22 01:14:09,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:14:09,581 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:09,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:14:09,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-22 01:14:09,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-22 01:14:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 58 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:14:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2022-11-22 01:14:09,641 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 75 transitions. Word has length 8 [2022-11-22 01:14:09,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:09,642 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 75 transitions. [2022-11-22 01:14:09,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:14:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2022-11-22 01:14:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:14:09,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:09,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:09,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:14:09,647 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:14:09,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:09,648 INFO L85 PathProgramCache]: Analyzing trace with hash -927670787, now seen corresponding path program 1 times [2022-11-22 01:14:09,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:09,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37930289] [2022-11-22 01:14:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:14:09,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:09,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37930289] [2022-11-22 01:14:09,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37930289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:09,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:09,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:14:09,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436614465] [2022-11-22 01:14:09,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:09,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:09,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:09,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:09,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:09,763 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:14:09,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:09,962 INFO L93 Difference]: Finished difference Result 174 states and 206 transitions. [2022-11-22 01:14:09,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:14:09,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-22 01:14:09,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:09,966 INFO L225 Difference]: With dead ends: 174 [2022-11-22 01:14:09,966 INFO L226 Difference]: Without dead ends: 110 [2022-11-22 01:14:09,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:09,968 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 61 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:09,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 155 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:14:09,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-22 01:14:09,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 99. [2022-11-22 01:14:09,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 90 states have internal predecessors, (112), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:14:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 122 transitions. [2022-11-22 01:14:09,993 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 122 transitions. Word has length 8 [2022-11-22 01:14:09,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:09,993 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 122 transitions. [2022-11-22 01:14:09,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:14:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2022-11-22 01:14:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:14:09,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:09,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:09,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:14:09,995 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:14:09,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:09,996 INFO L85 PathProgramCache]: Analyzing trace with hash -665997022, now seen corresponding path program 1 times [2022-11-22 01:14:09,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:09,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142470312] [2022-11-22 01:14:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:09,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:14:10,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:10,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142470312] [2022-11-22 01:14:10,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142470312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:10,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:10,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:10,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905284336] [2022-11-22 01:14:10,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:10,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:14:10,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:10,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:14:10,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:14:10,138 INFO L87 Difference]: Start difference. First operand 99 states and 122 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:14:10,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:10,251 INFO L93 Difference]: Finished difference Result 165 states and 196 transitions. [2022-11-22 01:14:10,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:14:10,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:14:10,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:10,253 INFO L225 Difference]: With dead ends: 165 [2022-11-22 01:14:10,256 INFO L226 Difference]: Without dead ends: 70 [2022-11-22 01:14:10,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:10,258 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 5 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:10,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 172 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:14:10,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-22 01:14:10,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-22 01:14:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.5454545454545454) internal successors, (68), 61 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:14:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2022-11-22 01:14:10,278 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 11 [2022-11-22 01:14:10,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:10,278 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2022-11-22 01:14:10,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:14:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2022-11-22 01:14:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:14:10,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:10,280 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:10,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:14:10,281 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:14:10,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:10,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1903027005, now seen corresponding path program 1 times [2022-11-22 01:14:10,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:10,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604572357] [2022-11-22 01:14:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:10,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:14:10,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:10,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604572357] [2022-11-22 01:14:10,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604572357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:10,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:10,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:10,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634299550] [2022-11-22 01:14:10,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:10,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:14:10,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:10,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:14:10,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:10,411 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:14:10,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:10,552 INFO L93 Difference]: Finished difference Result 110 states and 127 transitions. [2022-11-22 01:14:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:14:10,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-22 01:14:10,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:10,554 INFO L225 Difference]: With dead ends: 110 [2022-11-22 01:14:10,555 INFO L226 Difference]: Without dead ends: 107 [2022-11-22 01:14:10,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:14:10,559 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 100 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:10,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 157 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:14:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-22 01:14:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 93. [2022-11-22 01:14:10,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 67 states have (on average 1.537313432835821) internal successors, (103), 83 states have internal predecessors, (103), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:14:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 113 transitions. [2022-11-22 01:14:10,571 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 113 transitions. Word has length 14 [2022-11-22 01:14:10,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:10,571 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 113 transitions. [2022-11-22 01:14:10,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:14:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2022-11-22 01:14:10,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:14:10,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:10,572 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:10,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:14:10,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:14:10,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:10,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1135705046, now seen corresponding path program 1 times [2022-11-22 01:14:10,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:10,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733281426] [2022-11-22 01:14:10,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:14:10,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:10,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733281426] [2022-11-22 01:14:10,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733281426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:10,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:10,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:14:10,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29011390] [2022-11-22 01:14:10,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:10,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:14:10,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:10,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:14:10,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:14:10,612 INFO L87 Difference]: Start difference. First operand 93 states and 113 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:14:10,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:10,693 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2022-11-22 01:14:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:14:10,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-22 01:14:10,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:10,695 INFO L225 Difference]: With dead ends: 97 [2022-11-22 01:14:10,696 INFO L226 Difference]: Without dead ends: 96 [2022-11-22 01:14:10,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:14:10,697 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:10,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 107 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:14:10,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-22 01:14:10,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2022-11-22 01:14:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.507462686567164) internal successors, (101), 82 states have internal predecessors, (101), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:14:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 111 transitions. [2022-11-22 01:14:10,710 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 111 transitions. Word has length 15 [2022-11-22 01:14:10,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:10,710 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 111 transitions. [2022-11-22 01:14:10,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:14:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2022-11-22 01:14:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:14:10,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:10,712 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:10,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:14:10,712 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:14:10,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:10,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1734566187, now seen corresponding path program 1 times [2022-11-22 01:14:10,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:10,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462081675] [2022-11-22 01:14:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:10,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:14:10,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:10,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462081675] [2022-11-22 01:14:10,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462081675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:10,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:10,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:14:10,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496384693] [2022-11-22 01:14:10,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:10,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:14:10,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:10,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:14:10,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:10,788 INFO L87 Difference]: Start difference. First operand 92 states and 111 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:14:10,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:10,917 INFO L93 Difference]: Finished difference Result 110 states and 126 transitions. [2022-11-22 01:14:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:14:10,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-22 01:14:10,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:10,919 INFO L225 Difference]: With dead ends: 110 [2022-11-22 01:14:10,919 INFO L226 Difference]: Without dead ends: 107 [2022-11-22 01:14:10,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:14:10,920 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 87 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:10,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 159 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:14:10,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-22 01:14:10,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 97. [2022-11-22 01:14:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 87 states have internal predecessors, (106), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:14:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 116 transitions. [2022-11-22 01:14:10,931 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 116 transitions. Word has length 16 [2022-11-22 01:14:10,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:10,931 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 116 transitions. [2022-11-22 01:14:10,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 01:14:10,932 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 116 transitions. [2022-11-22 01:14:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 01:14:10,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:10,933 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:10,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:14:10,933 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-22 01:14:10,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:10,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2049330020, now seen corresponding path program 1 times [2022-11-22 01:14:10,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:10,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966017004] [2022-11-22 01:14:10,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:10,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:14:10,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:14:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:14:10,994 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:14:10,994 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:14:10,995 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-22 01:14:10,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-22 01:14:10,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-22 01:14:10,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-22 01:14:10,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-22 01:14:10,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-22 01:14:10,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-22 01:14:11,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-22 01:14:11,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-11-22 01:14:11,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-11-22 01:14:11,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-11-22 01:14:11,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-11-22 01:14:11,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-22 01:14:11,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-22 01:14:11,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-22 01:14:11,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-22 01:14:11,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-22 01:14:11,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-22 01:14:11,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-22 01:14:11,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-22 01:14:11,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:14:11,007 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:14:11,012 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:14:11,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:14:11 BoogieIcfgContainer [2022-11-22 01:14:11,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:14:11,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:14:11,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:14:11,047 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:14:11,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:14:08" (3/4) ... [2022-11-22 01:14:11,051 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:14:11,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:14:11,054 INFO L158 Benchmark]: Toolchain (without parser) took 3753.54ms. Allocated memory is still 176.2MB. Free memory was 143.6MB in the beginning and 112.5MB in the end (delta: 31.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-22 01:14:11,054 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:14:11,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.17ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 128.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 01:14:11,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.16ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:14:11,059 INFO L158 Benchmark]: Boogie Preprocessor took 57.22ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:14:11,059 INFO L158 Benchmark]: RCFGBuilder took 1117.66ms. Allocated memory is still 176.2MB. Free memory was 124.1MB in the beginning and 137.2MB in the end (delta: -13.1MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-22 01:14:11,059 INFO L158 Benchmark]: TraceAbstraction took 2052.46ms. Allocated memory is still 176.2MB. Free memory was 137.2MB in the beginning and 112.5MB in the end (delta: 24.6MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-11-22 01:14:11,060 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 176.2MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:14:11,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.17ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 128.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.16ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.22ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1117.66ms. Allocated memory is still 176.2MB. Free memory was 124.1MB in the beginning and 137.2MB in the end (delta: -13.1MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2052.46ms. Allocated memory is still 176.2MB. Free memory was 137.2MB in the beginning and 112.5MB in the end (delta: 24.6MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 176.2MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseComplement at line 80, overapproximation of bitwiseAnd at line 80. Possible FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add ; [L237] unsigned int zero ; [L238] int sa ; [L239] int sb ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L244] int tmp___3 ; [L245] int tmp___4 ; [L246] int tmp___5 ; [L247] int tmp___6 ; [L248] int tmp___7 ; [L249] int tmp___8 ; [L250] int tmp___9 ; [L251] int __retres23 ; VAL [ea=0, eb=0] [L255] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L84] return (__retres4); [L255] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=0, eb=0] [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L61] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 137]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 137]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 145]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 80 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 265 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 830 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 484 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 368 IncrementalHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 346 mSDtfsCounter, 368 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 39 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 01:14:11,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:14:13,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:14:13,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:14:13,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:14:13,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:14:13,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:14:13,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:14:13,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:14:13,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:14:13,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:14:13,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:14:13,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:14:13,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:14:13,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:14:13,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:14:13,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:14:13,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:14:13,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:14:13,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:14:13,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:14:13,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:14:13,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:14:13,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:14:13,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:14:13,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:14:13,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:14:13,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:14:13,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:14:13,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:14:13,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:14:13,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:14:13,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:14:13,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:14:13,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:14:13,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:14:13,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:14:13,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:14:13,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:14:13,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:14:13,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:14:13,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:14:13,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-22 01:14:13,690 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:14:13,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:14:13,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:14:13,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:14:13,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:14:13,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:14:13,693 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:14:13,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:14:13,694 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:14:13,694 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:14:13,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:14:13,695 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:14:13,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:14:13,696 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:14:13,696 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:14:13,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:14:13,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:14:13,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:14:13,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:14:13,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:14:13,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:14:13,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:14:13,698 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:14:13,698 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:14:13,698 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:14:13,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:14:13,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:14:13,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:14:13,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:14:13,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:14:13,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:14:13,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:14:13,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:14:13,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:14:13,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:14:13,700 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:14:13,701 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:14:13,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:14:13,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:14:13,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:14:13,701 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2022-11-22 01:14:14,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:14:14,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:14:14,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:14:14,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:14:14,149 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:14:14,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-11-22 01:14:17,435 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:14:17,755 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:14:17,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-11-22 01:14:17,774 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/data/2db5a594e/49fd164f3ca8484db0c4c280dadb6a4a/FLAG32d34739e [2022-11-22 01:14:17,789 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/bin/utaipan-g80aRyZoba/data/2db5a594e/49fd164f3ca8484db0c4c280dadb6a4a [2022-11-22 01:14:17,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:14:17,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:14:17,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:14:17,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:14:17,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:14:17,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:14:17" (1/1) ... [2022-11-22 01:14:17,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c45fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:14:17, skipping insertion in model container [2022-11-22 01:14:17,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:14:17" (1/1) ... [2022-11-22 01:14:17,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:14:17,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:14:18,007 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab23d90-c995-42b0-a3e0-234f9b417cc4/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-11-22 01:14:18,024 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 01:14:18,029 INFO L158 Benchmark]: Toolchain (without parser) took 234.52ms. Allocated memory is still 77.6MB. Free memory was 54.9MB in the beginning and 45.5MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 01:14:18,030 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:14:18,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.44ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 45.5MB in the end (delta: 9.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 01:14:18,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.44ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 45.5MB in the end (delta: 9.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.