./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/hard-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ --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 a8c101ee37a0c4dda77d0f6020d02b4a6b2dd6a6dc6836de695d87f1624d721b --- 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-6b4ec56 [2022-11-20 17:14:33,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:14:33,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:14:33,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:14:33,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:14:33,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:14:33,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:14:33,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:14:33,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:14:33,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:14:33,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:14:33,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:14:33,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:14:33,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:14:33,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:14:33,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:14:33,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:14:33,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:14:33,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:14:33,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:14:33,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:14:33,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:14:33,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:14:33,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:14:33,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:14:33,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:14:33,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:14:33,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:14:33,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:14:33,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:14:33,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:14:33,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:14:33,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:14:33,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:14:33,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:14:33,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:14:33,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:14:33,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:14:33,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:14:33,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:14:33,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:14:33,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:14:33,927 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:14:33,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:14:33,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:14:33,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:14:33,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:14:33,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:14:33,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:14:33,930 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:14:33,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:14:33,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:14:33,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:14:33,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:14:33,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:14:33,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:14:33,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:14:33,931 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:14:33,932 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:14:33,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:14:33,932 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:14:33,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:14:33,932 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:14:33,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:14:33,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:14:33,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:14:33,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:14:33,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:14:33,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:14:33,934 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:14:33,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:14:33,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:14:33,935 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_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8c101ee37a0c4dda77d0f6020d02b4a6b2dd6a6dc6836de695d87f1624d721b [2022-11-20 17:14:34,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:14:34,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:14:34,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:14:34,276 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:14:34,276 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:14:34,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-nla/hard-both-nt.c [2022-11-20 17:14:37,427 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:14:37,705 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:14:37,706 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/sv-benchmarks/c/termination-nla/hard-both-nt.c [2022-11-20 17:14:37,712 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/data/2074b9fd3/44f3f1deaee8402f9609f07f13c2f920/FLAGb53dfd443 [2022-11-20 17:14:37,732 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/data/2074b9fd3/44f3f1deaee8402f9609f07f13c2f920 [2022-11-20 17:14:37,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:14:37,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:14:37,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:14:37,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:14:37,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:14:37,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:37,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0519d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37, skipping insertion in model container [2022-11-20 17:14:37,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:37,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:14:37,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:14:37,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:14:37,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:14:37,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:14:37,961 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:14:37,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37 WrapperNode [2022-11-20 17:14:37,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:14:37,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:14:37,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:14:37,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:14:37,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:37,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:37,997 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2022-11-20 17:14:37,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:14:37,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:14:37,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:14:37,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:14:38,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,014 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:14:38,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:14:38,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:14:38,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:14:38,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:14:37" (1/1) ... [2022-11-20 17:14:38,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:14:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:14:38,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:14:38,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:14:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:14:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:14:38,165 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:14:38,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:14:38,427 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:14:38,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:14:38,458 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:14:38,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:14:38 BoogieIcfgContainer [2022-11-20 17:14:38,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:14:38,476 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:14:38,476 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:14:38,487 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:14:38,487 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:14:38" (1/1) ... [2022-11-20 17:14:38,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:14:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2022-11-20 17:14:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-11-20 17:14:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:14:38,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:38,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:38,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:14:38,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:14:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:38,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2022-11-20 17:14:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-11-20 17:14:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:14:38,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:38,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:38,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:14:38,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:14:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:39,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2022-11-20 17:14:39,040 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-11-20 17:14:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:14:39,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:39,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:14:39,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:14:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:14:39,084 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 17:14:39,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:14:39 ImpRootNode [2022-11-20 17:14:39,125 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:14:39,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:14:39,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:14:39,126 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:14:39,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:14:38" (3/4) ... [2022-11-20 17:14:39,129 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:14:39,163 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:14:39,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:14:39,164 INFO L158 Benchmark]: Toolchain (without parser) took 1424.35ms. Allocated memory is still 144.7MB. Free memory was 116.5MB in the beginning and 65.7MB in the end (delta: 50.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 17:14:39,165 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:14:39,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.37ms. Allocated memory is still 144.7MB. Free memory was 116.0MB in the beginning and 106.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:14:39,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.77ms. Allocated memory is still 144.7MB. Free memory was 106.6MB in the beginning and 105.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:14:39,167 INFO L158 Benchmark]: Boogie Preprocessor took 18.85ms. Allocated memory is still 144.7MB. Free memory was 105.1MB in the beginning and 104.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:14:39,168 INFO L158 Benchmark]: RCFGBuilder took 457.68ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 91.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:14:39,168 INFO L158 Benchmark]: CodeCheck took 649.78ms. Allocated memory is still 144.7MB. Free memory was 91.3MB in the beginning and 67.3MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 17:14:39,169 INFO L158 Benchmark]: Witness Printer took 37.82ms. Allocated memory is still 144.7MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:14:39,172 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, 46 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 4 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int A, B; [L24] int r, d, p, q; [L25] A = __VERIFIER_nondet_int() [L26] B = __VERIFIER_nondet_int() [L28] COND FALSE !(B < 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] [L35] COND TRUE 1 VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] [L39] EXPR B * p VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] [L39] COND FALSE !(!(d == B * p)) VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] [L41] 2 * d VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.37ms. Allocated memory is still 144.7MB. Free memory was 116.0MB in the beginning and 106.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.77ms. Allocated memory is still 144.7MB. Free memory was 106.6MB in the beginning and 105.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.85ms. Allocated memory is still 144.7MB. Free memory was 105.1MB in the beginning and 104.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.68ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 91.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 649.78ms. Allocated memory is still 144.7MB. Free memory was 91.3MB in the beginning and 67.3MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 37.82ms. Allocated memory is still 144.7MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:14:39,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33a136dc-81cc-49fa-86f6-55d775000ba9/bin/ukojak-pZX7IvK2PQ/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)