./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 2329fc70 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_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-15 01:36:58,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:36:58,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:36:58,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:36:58,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:36:58,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:36:58,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:36:58,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:36:58,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:36:58,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:36:58,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:36:58,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:36:58,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:36:58,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:36:58,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:36:58,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:36:58,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:36:58,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:36:58,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:36:58,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:36:58,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:36:58,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:36:58,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:36:58,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:36:58,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:36:58,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:36:58,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:36:58,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:36:58,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:36:58,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:36:58,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:36:58,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:36:58,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:36:58,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:36:58,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:36:58,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:36:58,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:36:58,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:36:58,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:36:58,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:36:58,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:36:58,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 01:36:58,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:36:58,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:36:58,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:36:58,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:36:58,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:36:58,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:36:58,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:36:58,907 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:36:58,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:36:58,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:36:58,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:36:58,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:36:58,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:36:58,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:36:58,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:36:58,908 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:36:58,908 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:36:58,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:36:58,908 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:36:58,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:36:58,908 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:36:58,908 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:36:58,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:36:58,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:36:58,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:36:58,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:36:58,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:36:58,909 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:36:58,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:36:58,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:36:58,910 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_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2022-12-15 01:36:59,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:36:59,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:36:59,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:36:59,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:36:59,128 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:36:59,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/bitvector/modulus-2.i [2022-12-15 01:37:01,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:37:01,900 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:37:01,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/sv-benchmarks/c/bitvector/modulus-2.i [2022-12-15 01:37:01,906 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/data/f80106ec9/e337aa7bd0a74cba947527ca3fb7cc1c/FLAG5abe52fab [2022-12-15 01:37:01,916 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/data/f80106ec9/e337aa7bd0a74cba947527ca3fb7cc1c [2022-12-15 01:37:01,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:37:01,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:37:01,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:37:01,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:37:01,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:37:01,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:37:01" (1/1) ... [2022-12-15 01:37:01,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41dab2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:01, skipping insertion in model container [2022-12-15 01:37:01,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:37:01" (1/1) ... [2022-12-15 01:37:01,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:37:01,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:37:02,044 WARN L237 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_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-12-15 01:37:02,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:37:02,067 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:37:02,078 WARN L237 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_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-12-15 01:37:02,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:37:02,097 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:37:02,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02 WrapperNode [2022-12-15 01:37:02,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:37:02,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:37:02,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:37:02,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:37:02,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,125 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2022-12-15 01:37:02,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:37:02,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:37:02,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:37:02,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:37:02,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:37:02,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:37:02,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:37:02,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:37:02,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:37:02,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:37:02,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:37:02,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:37:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:37:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:37:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:37:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:37:02,259 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:37:02,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:37:02,376 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:37:02,417 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:37:02,417 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:37:02,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:37:02 BoogieIcfgContainer [2022-12-15 01:37:02,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:37:02,420 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:37:02,420 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:37:02,427 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:37:02,428 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:37:02" (1/1) ... [2022-12-15 01:37:02,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:37:02,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:37:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-15 01:37:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-15 01:37:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 01:37:02,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:37:02,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:37:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:37:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:37:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:37:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-12-15 01:37:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-15 01:37:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:37:02,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:37:02,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:37:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:37:02,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:37:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:37:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:37:02,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:37:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:37:02,781 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-15 01:37:02,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:37:02 ImpRootNode [2022-12-15 01:37:02,799 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:37:02,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:37:02,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:37:02,800 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:37:02,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:37:02" (3/4) ... [2022-12-15 01:37:02,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-15 01:37:02,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:37:02,803 INFO L158 Benchmark]: Toolchain (without parser) took 884.23ms. Allocated memory is still 115.3MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2022-12-15 01:37:02,804 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:37:02,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.98ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 69.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:37:02,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.09ms. Allocated memory is still 115.3MB. Free memory was 69.5MB in the beginning and 67.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:37:02,806 INFO L158 Benchmark]: Boogie Preprocessor took 17.21ms. Allocated memory is still 115.3MB. Free memory was 67.8MB in the beginning and 66.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:37:02,806 INFO L158 Benchmark]: RCFGBuilder took 275.72ms. Allocated memory is still 115.3MB. Free memory was 66.5MB in the beginning and 53.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:37:02,806 INFO L158 Benchmark]: CodeCheck took 379.08ms. Allocated memory is still 115.3MB. Free memory was 52.8MB in the beginning and 78.9MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:37:02,807 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 115.3MB. Free memory was 78.9MB in the beginning and 78.4MB in the end (delta: 520.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:37:02,809 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, 16 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.17ms. Allocated memory is still 115.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.98ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 69.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.09ms. Allocated memory is still 115.3MB. Free memory was 69.5MB in the beginning and 67.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.21ms. Allocated memory is still 115.3MB. Free memory was 67.8MB in the beginning and 66.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.72ms. Allocated memory is still 115.3MB. Free memory was 66.5MB in the beginning and 53.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 379.08ms. Allocated memory is still 115.3MB. Free memory was 52.8MB in the beginning and 78.9MB in the end (delta: -26.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 115.3MB. Free memory was 78.9MB in the beginning and 78.4MB in the end (delta: 520.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-15 01:37:02,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/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 Retrying with bit-precise analysis ### Bit-precise run ### 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_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-15 01:37:04,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:37:04,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:37:04,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:37:04,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:37:04,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:37:04,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:37:04,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:37:04,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:37:04,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:37:04,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:37:04,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:37:04,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:37:04,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:37:04,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:37:04,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:37:04,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:37:04,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:37:04,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:37:04,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:37:04,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:37:04,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:37:04,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:37:04,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:37:04,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:37:04,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:37:04,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:37:04,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:37:04,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:37:04,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:37:04,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:37:04,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:37:04,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:37:04,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:37:04,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:37:04,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:37:04,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:37:04,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:37:04,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:37:04,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:37:04,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:37:04,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 01:37:04,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:37:04,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:37:04,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:37:04,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:37:04,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:37:04,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:37:04,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:37:04,661 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:37:04,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:37:04,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:37:04,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:37:04,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:37:04,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:37:04,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:37:04,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 01:37:04,663 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 01:37:04,663 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:37:04,663 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 01:37:04,663 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:37:04,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:37:04,664 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:37:04,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:37:04,664 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:37:04,664 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:37:04,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:37:04,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:37:04,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:37:04,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:37:04,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:37:04,665 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 01:37:04,666 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 01:37:04,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:37:04,666 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 01:37:04,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 01:37:04,666 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2022-12-15 01:37:04,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:37:04,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:37:04,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:37:04,901 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:37:04,901 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:37:04,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/bitvector/modulus-2.i [2022-12-15 01:37:07,539 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:37:07,703 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:37:07,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/sv-benchmarks/c/bitvector/modulus-2.i [2022-12-15 01:37:07,710 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/data/79380a482/bb6fedb777f94da180adcf0f8be716a1/FLAGbbd8caa21 [2022-12-15 01:37:07,722 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/data/79380a482/bb6fedb777f94da180adcf0f8be716a1 [2022-12-15 01:37:07,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:37:07,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:37:07,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:37:07,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:37:07,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:37:07,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dec33bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07, skipping insertion in model container [2022-12-15 01:37:07,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:37:07,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:37:07,852 WARN L237 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_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-12-15 01:37:07,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:37:07,870 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:37:07,880 WARN L237 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_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2022-12-15 01:37:07,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:37:07,894 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:37:07,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07 WrapperNode [2022-12-15 01:37:07,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:37:07,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:37:07,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:37:07,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:37:07,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,921 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2022-12-15 01:37:07,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:37:07,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:37:07,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:37:07,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:37:07,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:37:07,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:37:07,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:37:07,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:37:07,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:37:07" (1/1) ... [2022-12-15 01:37:07,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:37:07,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:37:07,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:37:07,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:37:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:37:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 01:37:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:37:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:37:08,072 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:37:08,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:37:08,239 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:37:08,298 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:37:08,299 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:37:08,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:37:08 BoogieIcfgContainer [2022-12-15 01:37:08,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:37:08,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:37:08,302 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:37:08,310 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:37:08,311 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:37:08" (1/1) ... [2022-12-15 01:37:08,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:37:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:37:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-15 01:37:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-15 01:37:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-15 01:37:08,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:37:08,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:37:08,411 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 01:37:08,414 INFO L158 Benchmark]: Toolchain (without parser) took 688.41ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 43.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-12-15 01:37:08,415 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:37:08,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.20ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 47.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 01:37:08,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.35ms. Allocated memory is still 79.7MB. Free memory was 47.5MB in the beginning and 46.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:37:08,417 INFO L158 Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 79.7MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:37:08,417 INFO L158 Benchmark]: RCFGBuilder took 361.46ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 49.7MB in the end (delta: -4.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-12-15 01:37:08,418 INFO L158 Benchmark]: CodeCheck took 111.03ms. Allocated memory is still 79.7MB. Free memory was 49.7MB in the beginning and 43.8MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:37:08,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.20ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 47.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.35ms. Allocated memory is still 79.7MB. Free memory was 47.5MB in the beginning and 46.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.75ms. Allocated memory is still 79.7MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.46ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 49.7MB in the end (delta: -4.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * CodeCheck took 111.03ms. Allocated memory is still 79.7MB. Free memory was 49.7MB in the beginning and 43.8MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 01:37:08,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5dd9ee9-207a-4e04-9be7-eee08fdf78db/bin/ukojak-rkRKPMF4O4/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared