./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_1.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_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/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_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/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_b2945272-cee3-46dc-b72b-ba6af563fe12/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 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde --- 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 17:02:33,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:33,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:33,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:33,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:33,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:33,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:33,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:33,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:33,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:33,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:33,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:33,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:33,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:33,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:33,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:33,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:33,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:33,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:33,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:33,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:33,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:33,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:33,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:33,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:33,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:33,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:33,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:33,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:33,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:33,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:33,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:33,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:33,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:33,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:33,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:33,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:33,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:33,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:33,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:33,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:33,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 17:02:33,305 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:33,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:33,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:33,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:33,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:33,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:33,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:33,308 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:33,308 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:02:33,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:33,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:33,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:33,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:33,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:33,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:33,310 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:02:33,310 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:33,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:33,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:33,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:33,311 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:33,312 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:33,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:33,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:33,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:33,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:33,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:33,313 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:33,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:33,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:33,314 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_b2945272-cee3-46dc-b72b-ba6af563fe12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde [2022-10-17 17:02:33,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:33,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:33,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:33,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:33,665 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:33,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/bitvector/gcd_1.c [2022-10-17 17:02:33,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/data/ed2aeb247/81cef08d83e7499d8c4666d9e7db71e2/FLAGc1bf49568 [2022-10-17 17:02:34,259 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:34,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/sv-benchmarks/c/bitvector/gcd_1.c [2022-10-17 17:02:34,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/data/ed2aeb247/81cef08d83e7499d8c4666d9e7db71e2/FLAGc1bf49568 [2022-10-17 17:02:34,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/data/ed2aeb247/81cef08d83e7499d8c4666d9e7db71e2 [2022-10-17 17:02:34,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:34,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:34,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:34,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:34,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:34,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:34" (1/1) ... [2022-10-17 17:02:34,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30febf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:34, skipping insertion in model container [2022-10-17 17:02:34,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:34" (1/1) ... [2022-10-17 17:02:34,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:34,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:35,008 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_b2945272-cee3-46dc-b72b-ba6af563fe12/sv-benchmarks/c/bitvector/gcd_1.c[664,677] [2022-10-17 17:02:35,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:35,052 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:35,072 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_b2945272-cee3-46dc-b72b-ba6af563fe12/sv-benchmarks/c/bitvector/gcd_1.c[664,677] [2022-10-17 17:02:35,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:35,106 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:35,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35 WrapperNode [2022-10-17 17:02:35,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:35,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:35,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:35,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:35,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,169 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2022-10-17 17:02:35,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:35,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:35,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:35,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:35,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,219 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:35,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:35,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:35,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:35,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:35,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:35,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:35,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:35,409 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:35,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:35,561 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:35,609 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:35,609 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:02:35,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:35 BoogieIcfgContainer [2022-10-17 17:02:35,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:35,613 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:35,613 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:35,624 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:35,624 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:35" (1/1) ... [2022-10-17 17:02:35,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:35,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 17:02:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 17:02:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:02:35,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:35,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:35,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:02:35,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:35,994 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 17:02:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-10-17 17:02:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-10-17 17:02:36,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:36,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:36,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:36,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 17:02:36,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:36,166 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 17:02:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-10-17 17:02:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-10-17 17:02:36,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:36,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:36,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:02:36,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:36,362 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 17:02:36,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 17:02:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 17:02:36,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:36,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:36,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:36,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:02:36,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:36,597 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 17:02:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 17:02:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 17:02:36,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:02:36,767 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 17:02:36,781 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-10-17 17:02:36,804 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:02:36,809 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:02:36,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:02:36 ImpRootNode [2022-10-17 17:02:36,810 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:02:36,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:02:36,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:02:36,812 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:02:36,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:35" (3/4) ... [2022-10-17 17:02:36,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:02:36,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-10-17 17:02:36,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 17:02:36,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:02:36,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:02:36,876 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:02:36,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:02:36,878 INFO L158 Benchmark]: Toolchain (without parser) took 2109.91ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 54.1MB in the beginning and 93.4MB in the end (delta: -39.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:36,878 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:36,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.13ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 72.4MB in the end (delta: -18.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:02:36,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.86ms. Allocated memory is still 96.5MB. Free memory was 72.4MB in the beginning and 70.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:36,880 INFO L158 Benchmark]: Boogie Preprocessor took 56.26ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 69.9MB in the end (delta: 961.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:36,881 INFO L158 Benchmark]: RCFGBuilder took 380.88ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 57.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:02:36,881 INFO L158 Benchmark]: CodeCheck took 1197.16ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 96.0MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:36,882 INFO L158 Benchmark]: Witness Printer took 65.44ms. Allocated memory is still 132.1MB. Free memory was 96.0MB in the beginning and 93.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:36,886 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 0 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 6 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.13ms. Allocated memory is still 96.5MB. Free memory was 54.0MB in the beginning and 72.4MB in the end (delta: -18.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.86ms. Allocated memory is still 96.5MB. Free memory was 72.4MB in the beginning and 70.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.26ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 69.9MB in the end (delta: 961.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.88ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 57.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1197.16ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 57.4MB in the beginning and 96.0MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.44ms. Allocated memory is still 132.1MB. Free memory was 96.0MB in the beginning and 93.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:02:36,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2945272-cee3-46dc-b72b-ba6af563fe12/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 Writing output log to file Ultimate.log Result: TRUE