./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI --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 44522fc957bd79922358ae17752cb6e03d7744a1779371c4abbd4ac1e16d9901 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:06:20,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:06:21,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:06:21,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:06:21,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:06:21,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:06:21,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:06:21,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:06:21,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:06:21,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:06:21,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:06:21,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:06:21,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:06:21,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:06:21,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:06:21,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:06:21,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:06:21,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:06:21,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:06:21,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:06:21,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:06:21,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:06:21,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:06:21,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:06:21,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:06:21,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:06:21,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:06:21,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:06:21,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:06:21,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:06:21,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:06:21,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:06:21,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:06:21,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:06:21,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:06:21,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:06:21,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:06:21,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:06:21,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:06:21,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:06:21,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:06:21,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-29 03:06:21,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:06:21,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:06:21,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:06:21,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:06:21,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:06:21,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:06:21,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:06:21,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:06:21,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:06:21,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:06:21,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:06:21,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:06:21,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:06:21,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:06:21,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:06:21,189 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:06:21,189 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:06:21,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:06:21,189 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:06:21,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:06:21,190 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:06:21,190 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:06:21,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:06:21,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:06:21,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:06:21,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:06:21,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:06:21,191 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:06:21,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:06:21,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:06:21,194 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_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44522fc957bd79922358ae17752cb6e03d7744a1779371c4abbd4ac1e16d9901 [2021-10-29 03:06:21,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:06:21,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:06:21,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:06:21,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:06:21,494 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:06:21,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2021-10-29 03:06:21,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/data/00591bb3c/69e27aad08714e0585042331282c64f0/FLAG82a7e3e8a [2021-10-29 03:06:22,066 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:06:22,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2021-10-29 03:06:22,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/data/00591bb3c/69e27aad08714e0585042331282c64f0/FLAG82a7e3e8a [2021-10-29 03:06:22,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/data/00591bb3c/69e27aad08714e0585042331282c64f0 [2021-10-29 03:06:22,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:06:22,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:06:22,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:06:22,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:06:22,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:06:22,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a2c9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22, skipping insertion in model container [2021-10-29 03:06:22,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:06:22,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:06:22,768 WARN L228 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_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c[37628,37641] [2021-10-29 03:06:22,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:06:22,797 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:06:22,852 WARN L228 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_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c[37628,37641] [2021-10-29 03:06:22,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:06:22,869 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:06:22,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22 WrapperNode [2021-10-29 03:06:22,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:06:22,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:06:22,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:06:22,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:06:22,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:06:22,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:06:22,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:06:22,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:06:22,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:06:22,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:06:22,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:06:22,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:06:22,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:22" (1/1) ... [2021-10-29 03:06:22,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:06:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:06:23,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:06:23,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:06:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:06:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:06:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:06:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:06:23,289 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 03:06:23,837 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-29 03:06:23,837 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-29 03:06:24,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:06:24,230 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:06:24,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:24 BoogieIcfgContainer [2021-10-29 03:06:24,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:06:24,234 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:06:24,234 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:06:24,245 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:06:24,246 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:24" (1/1) ... [2021-10-29 03:06:24,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:06:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 127 states and 193 transitions. [2021-10-29 03:06:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions. [2021-10-29 03:06:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:06:24,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:24,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions. [2021-10-29 03:06:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2021-10-29 03:06:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:06:24,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:24,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:24,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:24,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions. [2021-10-29 03:06:24,884 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2021-10-29 03:06:24,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:06:24,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:24,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2021-10-29 03:06:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2021-10-29 03:06:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:06:25,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:25,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 171 states and 289 transitions. [2021-10-29 03:06:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 289 transitions. [2021-10-29 03:06:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:06:25,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:25,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 173 states and 292 transitions. [2021-10-29 03:06:25,859 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions. [2021-10-29 03:06:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:06:25,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:25,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:26,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 188 states and 312 transitions. [2021-10-29 03:06:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 312 transitions. [2021-10-29 03:06:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:06:26,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:26,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2021-10-29 03:06:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2021-10-29 03:06:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:06:26,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:26,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:26,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 190 states and 314 transitions. [2021-10-29 03:06:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions. [2021-10-29 03:06:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:06:26,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:26,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2021-10-29 03:06:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2021-10-29 03:06:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:06:26,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:26,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:26,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions. [2021-10-29 03:06:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions. [2021-10-29 03:06:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:06:26,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:26,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 194 states and 319 transitions. [2021-10-29 03:06:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 319 transitions. [2021-10-29 03:06:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:06:26,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:26,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:27,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 205 states and 340 transitions. [2021-10-29 03:06:27,379 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions. [2021-10-29 03:06:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:06:27,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:27,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:27,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 215 states and 351 transitions. [2021-10-29 03:06:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 351 transitions. [2021-10-29 03:06:27,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:06:27,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:27,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions. [2021-10-29 03:06:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions. [2021-10-29 03:06:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:06:28,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:28,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:28,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 03:06:28,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:29,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 236 states and 400 transitions. [2021-10-29 03:06:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 400 transitions. [2021-10-29 03:06:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:06:29,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:29,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:29,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 03:06:29,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 237 states and 401 transitions. [2021-10-29 03:06:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 401 transitions. [2021-10-29 03:06:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 03:06:29,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:29,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:29,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 03:06:29,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 239 states and 404 transitions. [2021-10-29 03:06:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 404 transitions. [2021-10-29 03:06:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:06:29,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:29,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 242 states and 414 transitions. [2021-10-29 03:06:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 414 transitions. [2021-10-29 03:06:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:06:30,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:30,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 03:06:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 253 states and 431 transitions. [2021-10-29 03:06:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 431 transitions. [2021-10-29 03:06:31,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:06:31,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:31,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 268 states and 451 transitions. [2021-10-29 03:06:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 451 transitions. [2021-10-29 03:06:32,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:06:32,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:32,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:32,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 269 states and 452 transitions. [2021-10-29 03:06:32,471 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 452 transitions. [2021-10-29 03:06:32,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:06:32,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:32,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:06:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 283 states and 477 transitions. [2021-10-29 03:06:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 477 transitions. [2021-10-29 03:06:33,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:06:33,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:33,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 284 states and 478 transitions. [2021-10-29 03:06:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 478 transitions. [2021-10-29 03:06:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-29 03:06:34,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:34,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-29 03:06:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 298 states and 511 transitions. [2021-10-29 03:06:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 511 transitions. [2021-10-29 03:06:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:06:34,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:34,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:06:34,684 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:06:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:06:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:06:34,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:06:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:06:34,870 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2021-10-29 03:06:35,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:06:35 ImpRootNode [2021-10-29 03:06:35,025 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:06:35,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:06:35,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:06:35,026 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:06:35,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:24" (3/4) ... [2021-10-29 03:06:35,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 03:06:35,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:06:35,033 INFO L168 Benchmark]: Toolchain (without parser) took 12613.71 ms. Allocated memory was 81.8 MB in the beginning and 144.7 MB in the end (delta: 62.9 MB). Free memory was 47.3 MB in the beginning and 89.9 MB in the end (delta: -42.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:35,034 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 54.2 MB in the beginning and 54.1 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:06:35,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.20 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 47.1 MB in the beginning and 84.8 MB in the end (delta: -37.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:35,037 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.67 ms. Allocated memory is still 113.2 MB. Free memory was 84.8 MB in the beginning and 81.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:35,038 INFO L168 Benchmark]: Boogie Preprocessor took 41.52 ms. Allocated memory is still 113.2 MB. Free memory was 81.6 MB in the beginning and 80.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:35,039 INFO L168 Benchmark]: RCFGBuilder took 1249.59 ms. Allocated memory is still 113.2 MB. Free memory was 80.1 MB in the beginning and 78.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:35,041 INFO L168 Benchmark]: CodeCheck took 10791.58 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 77.9 MB in the beginning and 91.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:35,041 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 144.7 MB. Free memory was 91.0 MB in the beginning and 89.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:06:35,047 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, 127 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 453953956 SDtfs, 369803146 SDslu, 408477656 SDs, 0 SdLazy, 749290440 SolverSat, 196879102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6942 GetRequests, 6503 SyntacticMatches, 249 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18179 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 830 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 758 ConstructedInterpolants, 0 QuantifiedInterpolants, 1707 SizeOfPredicates, 12 NumberOfNonLiveVariables, 509 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 189/195 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: 309]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 221. Possible FailurePath: [L630] int __retres1 ; [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int(); [L20] int s__wbio = __VERIFIER_nondet_int(); [L21] int s__hit = __VERIFIER_nondet_int(); [L22] int s__rwstate ; [L23] int s__init_buf___0 = __VERIFIER_nondet_int(); [L24] int s__debug = __VERIFIER_nondet_int(); [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L27] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags = __VERIFIER_nondet_int(); [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 = __VERIFIER_nondet_int(); [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 ; [L54] int tmp___2 ; [L55] int tmp___3 ; [L56] int tmp___4 ; [L57] int tmp___5 ; [L58] int tmp___6 = __VERIFIER_nondet_int(); [L59] int tmp___7 = __VERIFIER_nondet_int(); [L60] int tmp___8 = __VERIFIER_nondet_int(); [L61] int tmp___9 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X ; [L64] int ag_Y ; [L65] int ag_Z = __VERIFIER_nondet_int(); [L66] unsigned int ag_V ; [L67] unsigned int ag_W ; [L68] int __retres62 ; [L71] ag_V = 2U [L72] ag_W = 5U [L73] s__state = 12292 [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] cb = 0 [L77] ret = -1 [L78] skip = 0 [L79] tmp___0 = 0 [L80] COND FALSE !(s__info_callback != 0) [L83] COND FALSE !(s__ctx__info_callback != 0) [L89] s__in_handshake = s__in_handshake + 1 [L90] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE tmp___1 & 12288 [L92] tmp___2 = __VERIFIER_nondet_int() [L93] COND TRUE tmp___2 & 16384 [L102] COND TRUE 1 [L104] state = s__state [L105] COND TRUE s__state == 12292 [L208] s__new_session = 1 [L209] s__state = 4096 [L210] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L215] s__server = 0 [L216] COND FALSE !(cb != 0) [L221] COND FALSE !((s__version & 65280) != 768) [L227] s__type = 4096 [L228] COND FALSE !(s__init_buf___0 == 0) [L247] tmp___4 = __VERIFIER_nondet_int() [L248] COND FALSE !(! tmp___4) [L254] tmp___5 = __VERIFIER_nondet_int() [L255] COND FALSE !(! tmp___5) [L261] s__state = 4368 [L262] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L263] s__init_num = 0 [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND TRUE s__state == 4368 [L267] s__shutdown = 0 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 0 [L270] blastFlag = 1 [L274] COND FALSE !(ret <= 0) [L279] s__state = 4384 [L280] s__init_num = 0 [L281] COND TRUE s__bbio != s__wbio [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND TRUE s__state == 4384 [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 1 [L291] blastFlag = 2 [L295] COND FALSE !(ret <= 0) [L300] COND FALSE !(\read(s__hit)) [L303] s__state = 4400 [L305] s__init_num = 0 [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND FALSE !(s__state == 4384) [L129] COND FALSE !(s__state == 4385) [L132] COND TRUE s__state == 4400 [L309] s__s3__tmp__new_cipher__algorithms - 256 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 54.2 MB in the beginning and 54.1 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.20 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 47.1 MB in the beginning and 84.8 MB in the end (delta: -37.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.67 ms. Allocated memory is still 113.2 MB. Free memory was 84.8 MB in the beginning and 81.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.52 ms. Allocated memory is still 113.2 MB. Free memory was 81.6 MB in the beginning and 80.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1249.59 ms. Allocated memory is still 113.2 MB. Free memory was 80.1 MB in the beginning and 78.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * CodeCheck took 10791.58 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 77.9 MB in the beginning and 91.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.71 ms. Allocated memory is still 144.7 MB. Free memory was 91.0 MB in the beginning and 89.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 03:06:35,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99a4d2e-e7a9-4068-8adb-36bba78c1e98/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...