./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN --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 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:22:51,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:22:51,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:22:51,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:22:51,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:22:51,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:22:51,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:22:51,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:22:51,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:22:51,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:22:51,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:22:51,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:22:51,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:22:51,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:22:51,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:22:51,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:22:51,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:22:51,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:22:51,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:22:51,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:22:51,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:22:51,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:22:51,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:22:51,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:22:51,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:22:51,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:22:51,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:22:51,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:22:51,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:22:51,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:22:51,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:22:51,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:22:51,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:22:51,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:22:51,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:22:51,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:22:51,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:22:51,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:22:51,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:22:51,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:22:51,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:22:51,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 06:22:51,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:22:51,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:22:51,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:22:51,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:22:51,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:22:51,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:22:51,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:22:51,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:22:51,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:22:51,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:22:51,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:22:51,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:22:51,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:22:51,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:22:51,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:22:51,501 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:22:51,501 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:22:51,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:22:51,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:22:51,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:22:51,502 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:22:51,502 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:22:51,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:22:51,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:22:51,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:22:51,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:22:51,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:22:51,503 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:22:51,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:22:51,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:22:51,504 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_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 [2021-11-21 06:22:51,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:22:51,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:22:51,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:22:51,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:22:51,855 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:22:51,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2021-11-21 06:22:51,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/data/72d0085d3/231e2c1f94324fbea478f4884c71565c/FLAGba9455ccc [2021-11-21 06:22:52,504 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:22:52,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2021-11-21 06:22:52,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/data/72d0085d3/231e2c1f94324fbea478f4884c71565c/FLAGba9455ccc [2021-11-21 06:22:52,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/data/72d0085d3/231e2c1f94324fbea478f4884c71565c [2021-11-21 06:22:52,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:22:52,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:22:52,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:22:52,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:22:52,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:22:52,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:22:52" (1/1) ... [2021-11-21 06:22:52,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dce839e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:52, skipping insertion in model container [2021-11-21 06:22:52,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:22:52" (1/1) ... [2021-11-21 06:22:52,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:22:52,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:22:53,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2021-11-21 06:22:53,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:22:53,644 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:22:53,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2021-11-21 06:22:53,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:22:53,875 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:22:53,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53 WrapperNode [2021-11-21 06:22:53,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:22:53,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:22:53,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:22:53,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:22:53,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:53,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,092 INFO L137 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2179 [2021-11-21 06:22:54,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:22:54,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:22:54,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:22:54,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:22:54,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:22:54,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:22:54,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:22:54,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:22:54,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:22:53" (1/1) ... [2021-11-21 06:22:54,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:22:54,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:22:54,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:22:54,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:22:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-21 06:22:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-21 06:22:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:22:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 06:22:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 06:22:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 06:22:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 06:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:22:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 06:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:22:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:22:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:22:54,737 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:22:54,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:22:56,415 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:22:57,211 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:22:57,211 INFO L301 CfgBuilder]: Removed 151 assume(true) statements. [2021-11-21 06:22:57,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:22:57 BoogieIcfgContainer [2021-11-21 06:22:57,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:22:57,222 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:22:57,223 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:22:57,233 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:22:57,234 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:22:57" (1/1) ... [2021-11-21 06:22:57,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:22:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 259 states and 459 transitions. [2021-11-21 06:22:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 459 transitions. [2021-11-21 06:22:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:22:57,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:57,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:57,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 06:22:57,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:57,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 06:22:57,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 06:22:57,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-21 06:22:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 262 states and 464 transitions. [2021-11-21 06:22:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 464 transitions. [2021-11-21 06:22:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:22:57,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:57,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:57,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 06:22:57,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:57,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 06:22:57,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 06:22:57,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-21 06:22:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 263 states and 465 transitions. [2021-11-21 06:22:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 465 transitions. [2021-11-21 06:22:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:22:57,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:57,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 263 states and 463 transitions. [2021-11-21 06:22:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 463 transitions. [2021-11-21 06:22:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:22:58,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:58,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:22:58,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 263 states and 460 transitions. [2021-11-21 06:22:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 460 transitions. [2021-11-21 06:22:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:22:58,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:58,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 263 states and 456 transitions. [2021-11-21 06:22:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 456 transitions. [2021-11-21 06:22:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:22:58,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:58,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:22:58,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:58,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 263 states and 452 transitions. [2021-11-21 06:22:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 452 transitions. [2021-11-21 06:22:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 06:22:58,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:58,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 263 states and 447 transitions. [2021-11-21 06:22:58,563 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 447 transitions. [2021-11-21 06:22:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:22:58,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:58,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:22:58,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:58,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 263 states and 441 transitions. [2021-11-21 06:22:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 441 transitions. [2021-11-21 06:22:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:22:58,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:58,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:58,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:22:58,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 263 states and 435 transitions. [2021-11-21 06:22:58,909 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 435 transitions. [2021-11-21 06:22:58,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:22:58,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:58,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:59,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:22:59,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 278 states and 455 transitions. [2021-11-21 06:22:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 455 transitions. [2021-11-21 06:22:59,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:22:59,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:59,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:59,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:22:59,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:59,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 278 states and 453 transitions. [2021-11-21 06:22:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 453 transitions. [2021-11-21 06:22:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:22:59,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:59,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:59,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:22:59,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:22:59,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:22:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 278 states and 451 transitions. [2021-11-21 06:22:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 451 transitions. [2021-11-21 06:22:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:22:59,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:22:59,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:22:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:22:59,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:22:59,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:22:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 278 states and 449 transitions. [2021-11-21 06:23:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 449 transitions. [2021-11-21 06:23:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:23:00,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:00,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:00,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:00,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 278 states and 444 transitions. [2021-11-21 06:23:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 444 transitions. [2021-11-21 06:23:00,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:23:00,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:00,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:00,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:23:00,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 281 states and 446 transitions. [2021-11-21 06:23:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 446 transitions. [2021-11-21 06:23:00,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:23:00,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:00,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:00,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:00,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 281 states and 440 transitions. [2021-11-21 06:23:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 440 transitions. [2021-11-21 06:23:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:23:00,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:00,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:00,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 06:23:00,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:00,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 06:23:00,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 06:23:00,824 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 06:23:00,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 06:23:00,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-21 06:23:00,910 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 06:23:00,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2021-11-21 06:23:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:23:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 284 states and 446 transitions. [2021-11-21 06:23:01,337 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 446 transitions. [2021-11-21 06:23:01,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:23:01,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:01,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:01,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:01,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 284 states and 440 transitions. [2021-11-21 06:23:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 440 transitions. [2021-11-21 06:23:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:23:01,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:01,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:01,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:23:01,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 299 states and 461 transitions. [2021-11-21 06:23:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 461 transitions. [2021-11-21 06:23:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:23:02,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:02,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:02,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:02,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 299 states and 459 transitions. [2021-11-21 06:23:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 459 transitions. [2021-11-21 06:23:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:23:02,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:02,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:02,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:02,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 299 states and 457 transitions. [2021-11-21 06:23:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 457 transitions. [2021-11-21 06:23:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:23:03,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:03,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:03,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:03,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:23:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 299 states and 455 transitions. [2021-11-21 06:23:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 455 transitions. [2021-11-21 06:23:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:23:03,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:03,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:03,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:23:03,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:23:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 302 states and 457 transitions. [2021-11-21 06:23:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 457 transitions. [2021-11-21 06:23:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:23:03,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:03,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:03,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:23:03,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:23:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 330 states and 491 transitions. [2021-11-21 06:23:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 491 transitions. [2021-11-21 06:23:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:23:04,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:04,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:04,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:23:04,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:23:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 333 states and 493 transitions. [2021-11-21 06:23:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 493 transitions. [2021-11-21 06:23:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:23:04,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:04,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:05,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:05,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:23:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 333 states and 491 transitions. [2021-11-21 06:23:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 491 transitions. [2021-11-21 06:23:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 06:23:05,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:05,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:05,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:05,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 06:23:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 333 states and 490 transitions. [2021-11-21 06:23:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 490 transitions. [2021-11-21 06:23:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 06:23:05,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:05,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:06,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:23:06,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 06:23:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 335 states and 495 transitions. [2021-11-21 06:23:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 495 transitions. [2021-11-21 06:23:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 06:23:07,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:07,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:07,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:23:07,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 06:23:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 344 states and 507 transitions. [2021-11-21 06:23:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 507 transitions. [2021-11-21 06:23:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 06:23:08,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:08,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:09,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 06:23:09,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 06:23:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 346 states and 510 transitions. [2021-11-21 06:23:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 510 transitions. [2021-11-21 06:23:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 06:23:10,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:10,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:10,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:23:10,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-21 06:23:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 347 states and 512 transitions. [2021-11-21 06:23:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 512 transitions. [2021-11-21 06:23:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 06:23:11,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:11,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:14,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:23:14,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-21 06:23:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 349 states and 515 transitions. [2021-11-21 06:23:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 515 transitions. [2021-11-21 06:23:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 06:23:15,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:15,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:17,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:23:17,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-21 06:23:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 351 states and 518 transitions. [2021-11-21 06:23:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 518 transitions. [2021-11-21 06:23:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 06:23:19,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:19,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:19,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:23:19,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-21 06:23:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 351 states and 516 transitions. [2021-11-21 06:23:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 516 transitions. [2021-11-21 06:23:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 06:23:19,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:19,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:19,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:23:19,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-21 06:23:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 354 states and 518 transitions. [2021-11-21 06:23:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 518 transitions. [2021-11-21 06:23:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 06:23:20,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:20,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:24,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 06:23:24,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 81 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-21 06:23:27,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 353 states and 517 transitions. [2021-11-21 06:23:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 517 transitions. [2021-11-21 06:23:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 06:23:27,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:27,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:28,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 06:23:28,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 114 proven. 15 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-21 06:23:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:30,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 355 states and 525 transitions. [2021-11-21 06:23:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 525 transitions. [2021-11-21 06:23:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 06:23:30,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:30,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:32,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 06:23:32,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-21 06:23:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 357 states and 528 transitions. [2021-11-21 06:23:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 528 transitions. [2021-11-21 06:23:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 06:23:35,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:35,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:23:39,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 06:23:39,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:23:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 275 proven. 105 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-21 06:23:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:23:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 357 states and 528 transitions. [2021-11-21 06:23:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 528 transitions. [2021-11-21 06:23:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 06:23:44,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:23:44,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:23:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 06:23:54,267 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 06:23:54,270 INFO L158 Benchmark]: Toolchain (without parser) took 61517.59ms. Allocated memory was 96.5MB in the beginning and 276.8MB in the end (delta: 180.4MB). Free memory was 56.9MB in the beginning and 69.7MB in the end (delta: -12.8MB). Peak memory consumption was 169.3MB. Max. memory is 16.1GB. [2021-11-21 06:23:54,271 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:23:54,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1122.16ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 62.6MB in the end (delta: -5.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-21 06:23:54,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 216.18ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 50.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 06:23:54,272 INFO L158 Benchmark]: Boogie Preprocessor took 197.08ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 37.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 06:23:54,273 INFO L158 Benchmark]: RCFGBuilder took 2930.22ms. Allocated memory was 96.5MB in the beginning and 169.9MB in the end (delta: 73.4MB). Free memory was 37.5MB in the beginning and 110.3MB in the end (delta: -72.8MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2021-11-21 06:23:54,274 INFO L158 Benchmark]: CodeCheck took 57046.76ms. Allocated memory was 169.9MB in the beginning and 276.8MB in the end (delta: 107.0MB). Free memory was 110.3MB in the beginning and 69.7MB in the end (delta: 40.6MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB. [2021-11-21 06:23:54,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1122.16ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 62.6MB in the end (delta: -5.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 216.18ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 50.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 197.08ms. Allocated memory is still 96.5MB. Free memory was 50.8MB in the beginning and 37.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2930.22ms. Allocated memory was 96.5MB in the beginning and 169.9MB in the end (delta: 73.4MB). Free memory was 37.5MB in the beginning and 110.3MB in the end (delta: -72.8MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * CodeCheck took 57046.76ms. Allocated memory was 169.9MB in the beginning and 276.8MB in the end (delta: 107.0MB). Free memory was 110.3MB in the beginning and 69.7MB in the end (delta: 40.6MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:23:54,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3395514c-936c-442b-a8b9-fde2eaeae6dd/bin/ukojak-vF6T2TMglN/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown