./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-2.i --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_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/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_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/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_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/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 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- 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 16:55:57,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:57,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:57,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:57,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:57,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:57,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:57,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:57,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:57,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:57,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:57,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:57,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:57,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:57,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:57,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:57,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:57,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:57,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:57,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:57,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:57,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:57,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:57,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:57,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:57,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:57,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:57,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:57,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:57,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:57,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:57,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:57,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:57,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:57,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:57,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:57,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:57,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:57,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:57,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:57,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:57,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:55:57,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:57,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:57,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:57,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:57,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:57,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:57,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:57,745 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:57,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:55:57,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:57,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:57,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:57,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:57,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:57,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:57,748 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:55:57,748 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:57,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:57,749 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:57,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:57,750 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:57,750 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:57,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:57,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:57,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:57,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:57,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:57,752 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:57,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:57,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:57,753 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_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2022-10-17 16:55:58,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:58,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:58,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:58,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:58,162 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:58,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/bitvector/modulus-2.i [2022-10-17 16:55:58,256 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/data/f650e6978/f7740b48a4ff456c9300b0da1538dbb9/FLAG5390b6ac9 [2022-10-17 16:55:58,870 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:58,873 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/sv-benchmarks/c/bitvector/modulus-2.i [2022-10-17 16:55:58,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/data/f650e6978/f7740b48a4ff456c9300b0da1538dbb9/FLAG5390b6ac9 [2022-10-17 16:55:59,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/data/f650e6978/f7740b48a4ff456c9300b0da1538dbb9 [2022-10-17 16:55:59,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:59,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:59,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:59,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:59,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:59,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613bda79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59, skipping insertion in model container [2022-10-17 16:55:59,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:59,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:59,483 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_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-10-17 16:55:59,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:59,511 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:59,526 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_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-10-17 16:55:59,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:59,549 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:59,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59 WrapperNode [2022-10-17 16:55:59,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:59,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:59,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:59,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:59,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,612 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2022-10-17 16:55:59,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:59,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:59,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:59,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:59,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,657 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:59,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:59,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:59,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:59,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:59" (1/1) ... [2022-10-17 16:55:59,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:59,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:59,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:59,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:59,852 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:59,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:00,033 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:00,098 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:00,099 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:56:00,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:00 BoogieIcfgContainer [2022-10-17 16:56:00,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:56:00,116 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:56:00,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:56:00,131 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:56:00,132 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:00" (1/1) ... [2022-10-17 16:56:00,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:56:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:56:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:56:00,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:56:00,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:00,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:00,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:56:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:00,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:56:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:56:00,496 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:56:00,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:56:00 ImpRootNode [2022-10-17 16:56:00,522 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:56:00,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:56:00,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:56:00,523 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:56:00,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:00" (3/4) ... [2022-10-17 16:56:00,530 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 16:56:00,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:56:00,533 INFO L158 Benchmark]: Toolchain (without parser) took 1296.21ms. Allocated memory is still 94.4MB. Free memory was 58.9MB in the beginning and 41.0MB in the end (delta: 17.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-10-17 16:56:00,535 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 67.3MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:00,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.32ms. Allocated memory is still 94.4MB. Free memory was 58.8MB in the beginning and 68.8MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:56:00,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.66ms. Allocated memory is still 94.4MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:00,539 INFO L158 Benchmark]: Boogie Preprocessor took 44.33ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 65.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:00,541 INFO L158 Benchmark]: RCFGBuilder took 439.27ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 52.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:56:00,542 INFO L158 Benchmark]: CodeCheck took 405.64ms. Allocated memory is still 94.4MB. Free memory was 52.4MB in the beginning and 41.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:56:00,544 INFO L158 Benchmark]: Witness Printer took 7.52ms. Allocated memory is still 94.4MB. Free memory was 41.3MB in the beginning and 41.0MB in the end (delta: 314.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:00,555 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 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 51. Possible FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 31) [L11] COND FALSE !(!cond) [L50] RET assume_abort_if_not(s < 31) [L51] 1 << s VAL [s=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 67.3MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.32ms. Allocated memory is still 94.4MB. Free memory was 58.8MB in the beginning and 68.8MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.66ms. Allocated memory is still 94.4MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.33ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 65.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.27ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 52.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 405.64ms. Allocated memory is still 94.4MB. Free memory was 52.4MB in the beginning and 41.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 7.52ms. Allocated memory is still 94.4MB. Free memory was 41.3MB in the beginning and 41.0MB in the end (delta: 314.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-17 16:56:00,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/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_d4a24c2a-ac25-496d-90b7-590b9e96f2ac/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