./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/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_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB --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 --- [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-dbf71c6-m [2022-10-17 16:57:57,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:57,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:57,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:57,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:57,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:57,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:57,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:57,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:58,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:58,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:58,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:58,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:58,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:58,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:58,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:58,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:58,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:58,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:58,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:58,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:58,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:58,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:58,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:58,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:58,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:58,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:58,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:58,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:58,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:58,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:58,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:58,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:58,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:58,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:58,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:58,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:58,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:58,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:58,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:58,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:58,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:57:58,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:58,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:58,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:58,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:58,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:58,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:58,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:58,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:58,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:57:58,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:58,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:58,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:58,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:58,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:58,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:58,156 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:57:58,156 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:58,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:58,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:58,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:58,157 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:58,157 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:58,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:58,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:58,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:58,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:58,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:58,159 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:58,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:58,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:58,160 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_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cc7c06873dba45d738e292126bc5c4eeb8fbe341f5dfa6f9006be5a39c2b683 [2022-10-17 16:57:58,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:58,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:58,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:58,492 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:58,493 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:58,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-10-17 16:57:58,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/data/8f5781957/811d30e1cd7f4964979ca64134dadeb5/FLAGac3a284a3 [2022-10-17 16:57:59,127 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:59,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c [2022-10-17 16:57:59,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/data/8f5781957/811d30e1cd7f4964979ca64134dadeb5/FLAGac3a284a3 [2022-10-17 16:57:59,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/data/8f5781957/811d30e1cd7f4964979ca64134dadeb5 [2022-10-17 16:57:59,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:59,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:59,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:59,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:59,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:59,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c90544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:59, skipping insertion in model container [2022-10-17 16:57:59,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:59" (1/1) ... [2022-10-17 16:57:59,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:59,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:59,758 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_b04becba-c727-497a-ba90-501d75af929c/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-10-17 16:57:59,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:59,907 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:59,921 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_b04becba-c727-497a-ba90-501d75af929c/sv-benchmarks/c/bitvector/soft_float_1-2.c.cil.c[816,829] [2022-10-17 16:57:59,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:00,016 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:00,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00 WrapperNode [2022-10-17 16:58:00,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:00,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:00,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:00,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:00,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,116 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 232 [2022-10-17 16:58:00,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:00,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:00,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:00,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:00,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,193 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:00,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:00,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:00,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:00,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:00" (1/1) ... [2022-10-17 16:58:00,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:00,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:00,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:00,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-10-17 16:58:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-10-17 16:58:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:58:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:58:00,453 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:00,463 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:01,163 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:01,641 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:01,641 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:58:01,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:01 BoogieIcfgContainer [2022-10-17 16:58:01,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:01,646 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:01,646 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:01,660 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:01,660 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:01" (1/1) ... [2022-10-17 16:58:01,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 96 states and 117 transitions. [2022-10-17 16:58:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2022-10-17 16:58:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:58:01,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:01,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 115 transitions. [2022-10-17 16:58:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2022-10-17 16:58:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:58:02,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 102 states and 126 transitions. [2022-10-17 16:58:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 126 transitions. [2022-10-17 16:58:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:58:02,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 106 states and 132 transitions. [2022-10-17 16:58:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 132 transitions. [2022-10-17 16:58:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:58:02,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 108 states and 135 transitions. [2022-10-17 16:58:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2022-10-17 16:58:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:58:02,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 109 states and 136 transitions. [2022-10-17 16:58:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 136 transitions. [2022-10-17 16:58:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:58:02,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:02,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 110 states and 137 transitions. [2022-10-17 16:58:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 137 transitions. [2022-10-17 16:58:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:58:02,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 111 states and 138 transitions. [2022-10-17 16:58:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 138 transitions. [2022-10-17 16:58:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:58:02,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 113 states and 142 transitions. [2022-10-17 16:58:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 142 transitions. [2022-10-17 16:58:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:58:03,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 119 states and 152 transitions. [2022-10-17 16:58:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 152 transitions. [2022-10-17 16:58:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:03,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 118 states and 151 transitions. [2022-10-17 16:58:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 151 transitions. [2022-10-17 16:58:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:03,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 122 states and 158 transitions. [2022-10-17 16:58:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 158 transitions. [2022-10-17 16:58:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:58:03,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 121 states and 157 transitions. [2022-10-17 16:58:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 157 transitions. [2022-10-17 16:58:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:58:03,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 170 transitions. [2022-10-17 16:58:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 170 transitions. [2022-10-17 16:58:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:58:04,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:04,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:04,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 132 states and 174 transitions. [2022-10-17 16:58:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 174 transitions. [2022-10-17 16:58:04,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:04,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:04,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:58:04,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:58:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:58:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:58:04,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:58:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:58:04,830 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2022-10-17 16:58:04,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:58:04 ImpRootNode [2022-10-17 16:58:04,888 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:58:04,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:58:04,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:58:04,889 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:58:04,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:01" (3/4) ... [2022-10-17 16:58:04,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 16:58:04,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:58:04,894 INFO L158 Benchmark]: Toolchain (without parser) took 5420.48ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 58.2MB in the beginning and 73.5MB in the end (delta: -15.3MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-10-17 16:58:04,894 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:58:04,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.77ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:58:04,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.89ms. Allocated memory is still 83.9MB. Free memory was 54.9MB in the beginning and 52.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:04,905 INFO L158 Benchmark]: Boogie Preprocessor took 82.77ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 50.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:04,907 INFO L158 Benchmark]: RCFGBuilder took 1443.79ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 50.4MB in the beginning and 78.7MB in the end (delta: -28.3MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-10-17 16:58:04,910 INFO L158 Benchmark]: CodeCheck took 3242.17ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 78.7MB in the beginning and 74.6MB in the end (delta: 4.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-10-17 16:58:04,911 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 73.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:58:04,919 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, 96 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 947 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 445 mSDsluCounter, 932 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 480 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1039 IncrementalHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 494 mSDtfsCounter, 1039 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1418 GetRequests, 1366 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s 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 bitwiseComplement 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=127] [L255] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=4, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=0, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=4, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L84] return (__retres4); [L255] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=0, eb=127, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L255] zero = base2flt(0, 0) [L256] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L61] COND TRUE 1 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=6, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L81] EXPR e + 128 VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=6, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=6, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.77ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.89ms. Allocated memory is still 83.9MB. Free memory was 54.9MB in the beginning and 52.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.77ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 50.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1443.79ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 50.4MB in the beginning and 78.7MB in the end (delta: -28.3MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * CodeCheck took 3242.17ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 78.7MB in the beginning and 74.6MB in the end (delta: 4.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 73.5MB 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 [2022-10-17 16:58:04,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/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_b04becba-c727-497a-ba90-501d75af929c/bin/ukojak-92XMlrwhuB/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