./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:54:13,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:54:13,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:54:13,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:54:13,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:54:13,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:54:13,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:54:13,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:54:13,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:54:13,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:54:13,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:54:13,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:54:13,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:54:13,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:54:13,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:54:13,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:54:13,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:54:13,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:54:13,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:54:13,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:54:13,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:54:13,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:54:13,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:54:13,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:54:13,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:54:13,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:54:13,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:54:13,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:54:13,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:54:13,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:54:13,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:54:13,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:54:13,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:54:13,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:54:13,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:54:13,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:54:13,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:54:13,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:54:13,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:54:13,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:54:13,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:54:13,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:54:13,864 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:54:13,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:54:13,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:54:13,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:54:13,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:54:13,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:54:13,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:54:13,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:54:13,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:54:13,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:54:13,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:54:13,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:54:13,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:54:13,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:54:13,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:54:13,868 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:54:13,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:54:13,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:54:13,869 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:54:13,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:54:13,870 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:54:13,870 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:54:13,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:54:13,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:54:13,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:54:13,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:54:13,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:54:13,871 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:54:13,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:54:13,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:54:13,872 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_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2021-11-25 06:54:14,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:54:14,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:54:14,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:54:14,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:54:14,209 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:54:14,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2021-11-25 06:54:14,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/data/13edcc2dc/22b42abd9fa3426c870f3210fc9d2269/FLAGcacbfa69e [2021-11-25 06:54:14,804 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:54:14,804 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2021-11-25 06:54:14,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/data/13edcc2dc/22b42abd9fa3426c870f3210fc9d2269/FLAGcacbfa69e [2021-11-25 06:54:15,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/data/13edcc2dc/22b42abd9fa3426c870f3210fc9d2269 [2021-11-25 06:54:15,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:54:15,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:54:15,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:54:15,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:54:15,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:54:15,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d87cdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15, skipping insertion in model container [2021-11-25 06:54:15,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:54:15,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:54:15,362 WARN L230 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_fe789747-2668-40b9-a659-986d3d6a267c/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2021-11-25 06:54:15,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:54:15,425 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:54:15,437 WARN L230 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_fe789747-2668-40b9-a659-986d3d6a267c/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2021-11-25 06:54:15,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:54:15,491 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:54:15,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15 WrapperNode [2021-11-25 06:54:15,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:54:15,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:54:15,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:54:15,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:54:15,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,543 INFO L137 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2021-11-25 06:54:15,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:54:15,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:54:15,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:54:15,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:54:15,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:54:15,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:54:15,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:54:15,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:54:15,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:54:15" (1/1) ... [2021-11-25 06:54:15,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:54:15,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:54:15,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:54:15,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:54:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:54:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:54:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-25 06:54:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-25 06:54:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:54:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:54:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 06:54:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 06:54:15,726 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:54:15,728 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:54:16,056 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:54:16,224 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:54:16,224 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 06:54:16,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:16 BoogieIcfgContainer [2021-11-25 06:54:16,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:54:16,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:54:16,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:54:16,251 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:54:16,251 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:16" (1/1) ... [2021-11-25 06:54:16,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:54:16,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 80 states and 101 transitions. [2021-11-25 06:54:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2021-11-25 06:54:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:54:16,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:16,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 80 states and 99 transitions. [2021-11-25 06:54:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2021-11-25 06:54:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:54:16,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:16,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:16,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 86 states and 110 transitions. [2021-11-25 06:54:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2021-11-25 06:54:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:54:16,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:16,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 90 states and 116 transitions. [2021-11-25 06:54:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2021-11-25 06:54:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:54:16,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:16,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 92 states and 119 transitions. [2021-11-25 06:54:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2021-11-25 06:54:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:54:16,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:16,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:16,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2021-11-25 06:54:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2021-11-25 06:54:16,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:54:16,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:16,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 94 states and 121 transitions. [2021-11-25 06:54:16,843 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2021-11-25 06:54:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:54:16,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:16,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 95 states and 122 transitions. [2021-11-25 06:54:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2021-11-25 06:54:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:54:16,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:16,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:17,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 97 states and 126 transitions. [2021-11-25 06:54:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2021-11-25 06:54:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:54:17,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:17,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 103 states and 136 transitions. [2021-11-25 06:54:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2021-11-25 06:54:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:54:17,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:17,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:17,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:54:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 102 states and 135 transitions. [2021-11-25 06:54:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 135 transitions. [2021-11-25 06:54:17,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:54:17,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:17,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 106 states and 142 transitions. [2021-11-25 06:54:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 142 transitions. [2021-11-25 06:54:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:54:17,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:17,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:54:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 105 states and 141 transitions. [2021-11-25 06:54:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2021-11-25 06:54:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:54:17,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:17,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:18,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:18,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 113 states and 154 transitions. [2021-11-25 06:54:18,379 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2021-11-25 06:54:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:54:18,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:18,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:54:18,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 116 states and 158 transitions. [2021-11-25 06:54:18,454 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 158 transitions. [2021-11-25 06:54:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:54:18,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:18,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:54:18,479 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 06:54:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:54:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:54:18,540 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 06:54:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 06:54:18,590 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-11-25 06:54:18,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:54:18 ImpRootNode [2021-11-25 06:54:18,634 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:54:18,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:54:18,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:54:18,635 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:54:18,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:16" (3/4) ... [2021-11-25 06:54:18,639 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 06:54:18,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:54:18,640 INFO L158 Benchmark]: Toolchain (without parser) took 3513.74ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 60.3MB in the beginning and 45.3MB in the end (delta: 15.0MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-11-25 06:54:18,641 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 47.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:54:18,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.21ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 66.3MB in the end (delta: -6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 06:54:18,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.55ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 64.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:54:18,643 INFO L158 Benchmark]: Boogie Preprocessor took 38.08ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 62.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:54:18,644 INFO L158 Benchmark]: RCFGBuilder took 643.94ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 62.5MB in the beginning and 90.4MB in the end (delta: -27.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-11-25 06:54:18,645 INFO L158 Benchmark]: CodeCheck took 2406.49ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 46.4MB in the end (delta: 44.0MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2021-11-25 06:54:18,646 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 121.6MB. Free memory was 46.4MB in the beginning and 45.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:54:18,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 80 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 947 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 445 mSDsluCounter, 1016 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 480 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 955 IncrementalHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 536 mSDtfsCounter, 955 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1351 SyntacticMatches, 14 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: 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=127, eb=-128] [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=127, eb=-128] [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L61] COND TRUE 1 VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127] [L81] EXPR e + 128 VAL [\old(e)=127, \old(m)=16777216, e=127] [L81] (e + 128) << 24U VAL [\old(e)=127, \old(m)=16777216, e=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 98.6MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 47.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.21ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 66.3MB in the end (delta: -6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.55ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 64.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.08ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 62.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 643.94ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 62.5MB in the beginning and 90.4MB in the end (delta: -27.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 2406.49ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 46.4MB in the end (delta: 44.0MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 121.6MB. Free memory was 46.4MB in the beginning and 45.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 06:54:18,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe789747-2668-40b9-a659-986d3d6a267c/bin/ukojak-d1pc8ZmBRL/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample