./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY --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 1e2636975b74961c8ccae2b8c5a585d0b63b6e0a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/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-4e77c04 [2021-10-13 04:13:44,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:13:44,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:13:44,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:13:44,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:13:44,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:13:44,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:13:44,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:13:44,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:13:44,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:13:44,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:13:44,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:13:44,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:13:44,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:13:44,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:13:44,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:13:44,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:13:44,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:13:44,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:13:44,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:13:44,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:13:44,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:13:44,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:13:44,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:13:44,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:13:44,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:13:44,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:13:44,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:13:44,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:13:44,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:13:44,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:13:44,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:13:44,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:13:44,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:13:44,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:13:44,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:13:44,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:13:44,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:13:44,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:13:44,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:13:44,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:13:44,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 04:13:44,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:13:44,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:13:44,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:13:44,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:13:44,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:13:44,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:13:44,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:13:44,936 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:13:44,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:13:44,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:13:44,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:13:44,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:13:44,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:13:44,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:13:44,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:13:44,945 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:13:44,945 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:13:44,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:13:44,945 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:13:44,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:13:44,946 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:13:44,946 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:13:44,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:13:44,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:13:44,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:13:44,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:13:44,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:13:44,947 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:13:44,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:13:44,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:13:44,949 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_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e2636975b74961c8ccae2b8c5a585d0b63b6e0a [2021-10-13 04:13:45,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:13:45,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:13:45,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:13:45,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:13:45,222 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:13:45,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2021-10-13 04:13:45,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/data/8af16173c/2c1ac0f362114e2abb7fa091d4c430e5/FLAG99d29ac83 [2021-10-13 04:13:45,781 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:13:45,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2021-10-13 04:13:45,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/data/8af16173c/2c1ac0f362114e2abb7fa091d4c430e5/FLAG99d29ac83 [2021-10-13 04:13:46,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/data/8af16173c/2c1ac0f362114e2abb7fa091d4c430e5 [2021-10-13 04:13:46,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:13:46,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:13:46,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:13:46,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:13:46,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:13:46,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76cd614b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46, skipping insertion in model container [2021-10-13 04:13:46,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:13:46,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:13:46,425 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_da7ca289-d448-4316-bd32-084d6b4b7ef2/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c[37592,37605] [2021-10-13 04:13:46,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:13:46,439 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:13:46,492 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_da7ca289-d448-4316-bd32-084d6b4b7ef2/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c[37592,37605] [2021-10-13 04:13:46,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:13:46,508 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:13:46,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46 WrapperNode [2021-10-13 04:13:46,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:13:46,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:13:46,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:13:46,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:13:46,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:13:46,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:13:46,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:13:46,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:13:46,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:13:46,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:13:46,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:13:46,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:13:46,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:13:46" (1/1) ... [2021-10-13 04:13:46,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:13:46,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:13:46,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:13:46,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:13:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:13:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:13:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:13:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:13:46,922 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 04:13:47,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-13 04:13:47,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-13 04:13:47,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:13:47,798 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 04:13:47,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:47 BoogieIcfgContainer [2021-10-13 04:13:47,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:13:47,802 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:13:47,802 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:13:47,812 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:13:47,813 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:47" (1/1) ... [2021-10-13 04:13:47,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:13:47,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 127 states and 193 transitions. [2021-10-13 04:13:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions. [2021-10-13 04:13:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 04:13:47,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:47,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions. [2021-10-13 04:13:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2021-10-13 04:13:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 04:13:48,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:48,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions. [2021-10-13 04:13:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2021-10-13 04:13:48,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 04:13:48,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:48,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:48,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2021-10-13 04:13:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2021-10-13 04:13:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 04:13:48,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:48,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:49,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 171 states and 289 transitions. [2021-10-13 04:13:49,077 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 289 transitions. [2021-10-13 04:13:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 04:13:49,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:49,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 173 states and 292 transitions. [2021-10-13 04:13:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions. [2021-10-13 04:13:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 04:13:49,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:49,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 188 states and 312 transitions. [2021-10-13 04:13:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 312 transitions. [2021-10-13 04:13:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 04:13:49,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:49,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2021-10-13 04:13:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2021-10-13 04:13:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 04:13:49,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:49,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:49,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 190 states and 314 transitions. [2021-10-13 04:13:49,807 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions. [2021-10-13 04:13:49,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 04:13:49,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:49,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2021-10-13 04:13:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2021-10-13 04:13:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 04:13:49,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:49,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions. [2021-10-13 04:13:49,963 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions. [2021-10-13 04:13:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 04:13:49,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:49,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 194 states and 319 transitions. [2021-10-13 04:13:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 319 transitions. [2021-10-13 04:13:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 04:13:50,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:50,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:50,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 205 states and 340 transitions. [2021-10-13 04:13:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions. [2021-10-13 04:13:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 04:13:50,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:50,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:50,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 215 states and 351 transitions. [2021-10-13 04:13:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 351 transitions. [2021-10-13 04:13:50,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 04:13:50,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:50,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions. [2021-10-13 04:13:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions. [2021-10-13 04:13:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 04:13:50,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:50,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:51,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 231 states and 378 transitions. [2021-10-13 04:13:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 378 transitions. [2021-10-13 04:13:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 04:13:51,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:51,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:51,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 04:13:51,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 04:13:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:52,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:52,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 241 states and 406 transitions. [2021-10-13 04:13:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 406 transitions. [2021-10-13 04:13:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 04:13:52,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:52,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:52,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 04:13:52,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 04:13:52,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 242 states and 407 transitions. [2021-10-13 04:13:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 407 transitions. [2021-10-13 04:13:52,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 04:13:52,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:52,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 245 states and 417 transitions. [2021-10-13 04:13:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 417 transitions. [2021-10-13 04:13:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 04:13:52,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:52,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:52,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 04:13:52,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 04:13:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 247 states and 420 transitions. [2021-10-13 04:13:53,085 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 420 transitions. [2021-10-13 04:13:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 04:13:53,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:53,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 04:13:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:53,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 258 states and 437 transitions. [2021-10-13 04:13:53,674 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 437 transitions. [2021-10-13 04:13:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 04:13:53,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:53,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 273 states and 457 transitions. [2021-10-13 04:13:54,512 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 457 transitions. [2021-10-13 04:13:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 04:13:54,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:54,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 274 states and 458 transitions. [2021-10-13 04:13:54,560 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 458 transitions. [2021-10-13 04:13:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 04:13:54,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:54,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:13:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 288 states and 483 transitions. [2021-10-13 04:13:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 483 transitions. [2021-10-13 04:13:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 04:13:55,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:55,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:13:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 289 states and 484 transitions. [2021-10-13 04:13:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 484 transitions. [2021-10-13 04:13:55,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 04:13:55,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:55,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:13:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 04:13:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:13:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 303 states and 517 transitions. [2021-10-13 04:13:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 517 transitions. [2021-10-13 04:13:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-13 04:13:56,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:13:56,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:13:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:13:56,541 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:13:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:13:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:13:56,623 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:13:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:13:56,689 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2021-10-13 04:13:56,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:13:56 ImpRootNode [2021-10-13 04:13:56,771 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:13:56,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:13:56,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:13:56,771 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:13:56,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:13:47" (3/4) ... [2021-10-13 04:13:56,775 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 04:13:56,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:13:56,777 INFO L168 Benchmark]: Toolchain (without parser) took 10632.04 ms. Allocated memory was 117.4 MB in the beginning and 174.1 MB in the end (delta: 56.6 MB). Free memory was 84.5 MB in the beginning and 103.8 MB in the end (delta: -19.4 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:56,777 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 117.4 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:13:56,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.29 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 84.5 MB in the beginning and 111.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:56,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.15 ms. Allocated memory is still 142.6 MB. Free memory was 111.8 MB in the beginning and 109.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:56,779 INFO L168 Benchmark]: Boogie Preprocessor took 40.19 ms. Allocated memory is still 142.6 MB. Free memory was 109.1 MB in the beginning and 107.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:56,780 INFO L168 Benchmark]: RCFGBuilder took 1138.47 ms. Allocated memory is still 142.6 MB. Free memory was 107.1 MB in the beginning and 59.4 MB in the end (delta: 47.7 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:13:56,781 INFO L168 Benchmark]: CodeCheck took 8968.65 ms. Allocated memory was 142.6 MB in the beginning and 174.1 MB in the end (delta: 31.5 MB). Free memory was 59.4 MB in the beginning and 103.8 MB in the end (delta: -44.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:13:56,781 INFO L168 Benchmark]: Witness Printer took 4.04 ms. Allocated memory is still 174.1 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:13:56,785 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: 8841.6ms, OverallIterations: 26, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 907879588 SDtfs, 739600138 SDslu, 816902616 SDs, 0 SdLazy, 1498599624 SolverSat, 393763710 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8500.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7211 GetRequests, 6755 SyntacticMatches, 266 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18179 ImplicationChecksByTransitivity, 5527.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 108.1ms SsaConstructionTime, 420.2ms SatisfiabilityAnalysisTime, 1488.3ms InterpolantComputationTime, 868 NumberOfCodeBlocks, 868 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 1788 SizeOfPredicates, 12 NumberOfNonLiveVariables, 488 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 191/197 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms 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: [L631] 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 ; [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 ; [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 ; [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 ; [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 ; [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 TRUE s__ctx__info_callback != 0 [L84] cb = s__ctx__info_callback [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 TRUE 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 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] 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 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] 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 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] 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 0.20 ms. Allocated memory is still 117.4 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.29 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 84.5 MB in the beginning and 111.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.15 ms. Allocated memory is still 142.6 MB. Free memory was 111.8 MB in the beginning and 109.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.19 ms. Allocated memory is still 142.6 MB. Free memory was 109.1 MB in the beginning and 107.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1138.47 ms. Allocated memory is still 142.6 MB. Free memory was 107.1 MB in the beginning and 59.4 MB in the end (delta: 47.7 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * CodeCheck took 8968.65 ms. Allocated memory was 142.6 MB in the beginning and 174.1 MB in the end (delta: 31.5 MB). Free memory was 59.4 MB in the beginning and 103.8 MB in the end (delta: -44.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.04 ms. Allocated memory is still 174.1 MB. Free memory is still 103.8 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 [2021-10-13 04:13:56,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da7ca289-d448-4316-bd32-084d6b4b7ef2/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...