./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/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_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/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_1fa19735-eac2-4765-800b-387934bc6b6f/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 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:36:44,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:36:44,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:36:44,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:36:44,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:36:44,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:36:44,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:36:44,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:36:44,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:36:44,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:36:44,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:36:44,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:36:44,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:36:44,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:36:44,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:36:44,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:36:44,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:36:44,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:36:44,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:36:44,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:36:44,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:36:44,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:36:44,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:36:44,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:36:44,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:36:44,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:36:44,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:36:44,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:36:44,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:36:44,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:36:44,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:36:44,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:36:44,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:36:44,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:36:44,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:36:44,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:36:44,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:36:44,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:36:44,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:36:44,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:36:44,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:36:44,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:36:44,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:36:44,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:36:44,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:36:44,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:36:44,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:36:44,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:36:44,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:36:44,585 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:36:44,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:36:44,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:36:44,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:36:44,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:36:44,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:36:44,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:36:44,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:36:44,588 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:36:44,588 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:36:44,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:36:44,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:36:44,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:36:44,589 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:36:44,590 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:36:44,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:36:44,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:36:44,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:36:44,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:36:44,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:36:44,591 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:36:44,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:36:44,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:36:44,594 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_1fa19735-eac2-4765-800b-387934bc6b6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 [2021-11-21 05:36:44,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:36:44,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:36:44,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:36:44,904 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:36:44,905 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:36:44,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2021-11-21 05:36:44,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/data/39b54e782/e683b1e5d4404a88915d27ef1315dd52/FLAG772f22c2c [2021-11-21 05:36:45,766 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:36:45,767 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2021-11-21 05:36:45,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/data/39b54e782/e683b1e5d4404a88915d27ef1315dd52/FLAG772f22c2c [2021-11-21 05:36:45,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/data/39b54e782/e683b1e5d4404a88915d27ef1315dd52 [2021-11-21 05:36:45,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:36:45,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:36:45,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:36:45,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:36:45,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:36:45,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:36:45" (1/1) ... [2021-11-21 05:36:45,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447efc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:45, skipping insertion in model container [2021-11-21 05:36:45,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:36:45" (1/1) ... [2021-11-21 05:36:45,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:36:45,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:36:46,530 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_1fa19735-eac2-4765-800b-387934bc6b6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2021-11-21 05:36:46,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:36:46,841 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:36:46,889 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_1fa19735-eac2-4765-800b-387934bc6b6f/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2021-11-21 05:36:47,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:36:47,043 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:36:47,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47 WrapperNode [2021-11-21 05:36:47,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:36:47,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:36:47,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:36:47,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:36:47,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,269 INFO L137 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2179 [2021-11-21 05:36:47,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:36:47,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:36:47,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:36:47,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:36:47,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:36:47,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:36:47,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:36:47,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:36:47,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:47" (1/1) ... [2021-11-21 05:36:47,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:36:47,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:36:47,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:36:47,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:36:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-21 05:36:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-21 05:36:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:36:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:36:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:36:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:36:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:36:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:36:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:36:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:36:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:36:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:36:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 05:36:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:36:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:36:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:36:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:36:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:36:47,925 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:36:47,927 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:36:49,569 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:36:50,370 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:36:50,370 INFO L301 CfgBuilder]: Removed 151 assume(true) statements. [2021-11-21 05:36:50,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:36:50 BoogieIcfgContainer [2021-11-21 05:36:50,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:36:50,376 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:36:50,377 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:36:50,387 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:36:50,388 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:36:50" (1/1) ... [2021-11-21 05:36:50,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:36:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:50,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 259 states and 459 transitions. [2021-11-21 05:36:50,489 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 459 transitions. [2021-11-21 05:36:50,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:36:50,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:50,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:50,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 05:36:50,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:50,791 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 05:36:50,817 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 05:36:50,909 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 05:36:50,925 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 05:36:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:50,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 262 states and 464 transitions. [2021-11-21 05:36:50,989 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 464 transitions. [2021-11-21 05:36:50,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:36:50,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:50,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:51,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 05:36:51,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:51,117 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 05:36:51,122 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 05:36:51,175 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 05:36:51,195 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 05:36:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 263 states and 465 transitions. [2021-11-21 05:36:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 465 transitions. [2021-11-21 05:36:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:36:51,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:51,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:51,281 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 05:36:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 263 states and 463 transitions. [2021-11-21 05:36:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 463 transitions. [2021-11-21 05:36:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:36:51,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:51,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:51,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:51,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:51,398 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 05:36:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 263 states and 460 transitions. [2021-11-21 05:36:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 460 transitions. [2021-11-21 05:36:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:36:51,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:51,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:51,505 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 05:36:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 263 states and 456 transitions. [2021-11-21 05:36:51,517 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 456 transitions. [2021-11-21 05:36:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:36:51,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:51,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:51,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:51,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:51,634 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 05:36:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:51,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 263 states and 452 transitions. [2021-11-21 05:36:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 452 transitions. [2021-11-21 05:36:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:36:51,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:51,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:51,761 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 05:36:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 263 states and 447 transitions. [2021-11-21 05:36:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 447 transitions. [2021-11-21 05:36:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:36:51,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:51,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:51,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:51,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:51,987 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 05:36:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 263 states and 441 transitions. [2021-11-21 05:36:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 441 transitions. [2021-11-21 05:36:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:36:52,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:52,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:52,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:52,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:52,162 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 05:36:52,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 263 states and 435 transitions. [2021-11-21 05:36:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 435 transitions. [2021-11-21 05:36:52,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:36:52,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:52,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:52,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:36:52,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:52,465 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 05:36:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 278 states and 455 transitions. [2021-11-21 05:36:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 455 transitions. [2021-11-21 05:36:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:36:52,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:52,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:52,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:52,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:52,957 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 05:36:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 278 states and 453 transitions. [2021-11-21 05:36:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 453 transitions. [2021-11-21 05:36:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:36:52,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:52,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:53,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:53,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:53,136 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 05:36:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:53,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 278 states and 451 transitions. [2021-11-21 05:36:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 451 transitions. [2021-11-21 05:36:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:36:53,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:53,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:53,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:53,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:53,299 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 05:36:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 278 states and 449 transitions. [2021-11-21 05:36:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 449 transitions. [2021-11-21 05:36:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:36:53,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:53,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:53,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:53,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:53,494 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 05:36:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 278 states and 444 transitions. [2021-11-21 05:36:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 444 transitions. [2021-11-21 05:36:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:36:53,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:53,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:53,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:36:53,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:53,756 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 05:36:53,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:53,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 281 states and 446 transitions. [2021-11-21 05:36:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 446 transitions. [2021-11-21 05:36:53,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:36:53,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:53,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:53,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:53,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:53,943 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 05:36:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 281 states and 440 transitions. [2021-11-21 05:36:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 440 transitions. [2021-11-21 05:36:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:36:53,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:53,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:54,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 05:36:54,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:54,078 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 05:36:54,085 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 05:36:54,113 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 05:36:54,114 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 05:36:54,121 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 05:36:54,197 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 05:36:54,197 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 05:36:54,319 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 05:36:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 284 states and 446 transitions. [2021-11-21 05:36:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 446 transitions. [2021-11-21 05:36:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 05:36:54,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:54,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:54,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:54,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:54,871 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 05:36:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 284 states and 440 transitions. [2021-11-21 05:36:54,932 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 440 transitions. [2021-11-21 05:36:54,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:36:54,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:54,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:55,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:36:55,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:55,212 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 05:36:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 299 states and 461 transitions. [2021-11-21 05:36:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 461 transitions. [2021-11-21 05:36:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:36:55,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:55,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:56,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:56,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:56,113 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 05:36:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:56,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 299 states and 459 transitions. [2021-11-21 05:36:56,154 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 459 transitions. [2021-11-21 05:36:56,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:36:56,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:56,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:56,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:56,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:56,362 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 05:36:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 299 states and 457 transitions. [2021-11-21 05:36:56,374 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 457 transitions. [2021-11-21 05:36:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:36:56,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:56,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:56,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:56,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:56,603 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 05:36:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 299 states and 455 transitions. [2021-11-21 05:36:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 455 transitions. [2021-11-21 05:36:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:36:56,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:56,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:56,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:36:56,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:56,868 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 05:36:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 302 states and 457 transitions. [2021-11-21 05:36:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 457 transitions. [2021-11-21 05:36:56,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:36:56,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:56,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:57,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:36:57,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:57,350 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 05:36:57,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 330 states and 491 transitions. [2021-11-21 05:36:57,697 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 491 transitions. [2021-11-21 05:36:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:36:57,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:57,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:57,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:36:57,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:58,114 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 05:36:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 333 states and 493 transitions. [2021-11-21 05:36:58,157 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 493 transitions. [2021-11-21 05:36:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:36:58,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:58,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:58,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:58,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:58,388 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 05:36:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 333 states and 491 transitions. [2021-11-21 05:36:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 491 transitions. [2021-11-21 05:36:58,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 05:36:58,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:58,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:58,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:36:58,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:36:58,812 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 05:36:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 333 states and 490 transitions. [2021-11-21 05:36:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 490 transitions. [2021-11-21 05:36:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 05:36:58,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:58,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:00,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:37:00,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:00,450 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 05:37:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 335 states and 495 transitions. [2021-11-21 05:37:00,664 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 495 transitions. [2021-11-21 05:37:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:37:00,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:00,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:00,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:00,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:01,292 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 05:37:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:01,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 344 states and 507 transitions. [2021-11-21 05:37:01,648 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 507 transitions. [2021-11-21 05:37:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 05:37:01,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:01,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:02,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 05:37:02,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:02,713 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 05:37:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 346 states and 510 transitions. [2021-11-21 05:37:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 510 transitions. [2021-11-21 05:37:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 05:37:03,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:03,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:03,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:03,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:03,958 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 05:37:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 347 states and 512 transitions. [2021-11-21 05:37:04,567 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 512 transitions. [2021-11-21 05:37:04,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 05:37:04,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:04,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:07,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 05:37:07,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:08,039 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 05:37:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 349 states and 515 transitions. [2021-11-21 05:37:08,910 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 515 transitions. [2021-11-21 05:37:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:37:08,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:08,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:10,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 05:37:10,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:11,414 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 05:37:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 351 states and 518 transitions. [2021-11-21 05:37:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 518 transitions. [2021-11-21 05:37:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 05:37:12,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:12,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:12,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:12,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:12,923 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 05:37:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 351 states and 516 transitions. [2021-11-21 05:37:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 516 transitions. [2021-11-21 05:37:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 05:37:12,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:12,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:13,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:13,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:13,635 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 05:37:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 354 states and 518 transitions. [2021-11-21 05:37:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 518 transitions. [2021-11-21 05:37:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 05:37:14,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:14,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:17,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 05:37:17,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:18,494 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 05:37:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 353 states and 517 transitions. [2021-11-21 05:37:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 517 transitions. [2021-11-21 05:37:20,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:37:20,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:20,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:22,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 05:37:22,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:22,932 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 05:37:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 355 states and 525 transitions. [2021-11-21 05:37:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 525 transitions. [2021-11-21 05:37:24,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 05:37:24,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:24,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:26,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 05:37:26,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:27,098 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 05:37:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:28,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 357 states and 528 transitions. [2021-11-21 05:37:28,763 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 528 transitions. [2021-11-21 05:37:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:37:28,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:28,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:33,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 05:37:33,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:35,440 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 05:37:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:37,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 357 states and 528 transitions. [2021-11-21 05:37:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 528 transitions. [2021-11-21 05:37:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:37:37,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:37,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:37:48,185 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 05:37:48,189 INFO L158 Benchmark]: Toolchain (without parser) took 62292.68ms. Allocated memory was 100.7MB in the beginning and 358.6MB in the end (delta: 257.9MB). Free memory was 63.2MB in the beginning and 185.1MB in the end (delta: -121.9MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2021-11-21 05:37:48,189 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:37:48,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1144.74ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 62.9MB in the beginning and 56.6MB in the end (delta: 6.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-21 05:37:48,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 224.24ms. Allocated memory is still 121.6MB. Free memory was 56.0MB in the beginning and 89.0MB in the end (delta: -33.0MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-21 05:37:48,192 INFO L158 Benchmark]: Boogie Preprocessor took 219.60ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 78.1MB in the end (delta: 10.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-11-21 05:37:48,192 INFO L158 Benchmark]: RCFGBuilder took 2884.64ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 78.1MB in the beginning and 109.0MB in the end (delta: -30.9MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2021-11-21 05:37:48,193 INFO L158 Benchmark]: CodeCheck took 57811.55ms. Allocated memory was 161.5MB in the beginning and 358.6MB in the end (delta: 197.1MB). Free memory was 108.0MB in the beginning and 185.1MB in the end (delta: -77.2MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. [2021-11-21 05:37:48,197 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 0.30ms. Allocated memory is still 100.7MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1144.74ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 62.9MB in the beginning and 56.6MB in the end (delta: 6.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 224.24ms. Allocated memory is still 121.6MB. Free memory was 56.0MB in the beginning and 89.0MB in the end (delta: -33.0MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 219.60ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 78.1MB in the end (delta: 10.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2884.64ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 78.1MB in the beginning and 109.0MB in the end (delta: -30.9MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. * CodeCheck took 57811.55ms. Allocated memory was 161.5MB in the beginning and 358.6MB in the end (delta: 197.1MB). Free memory was 108.0MB in the beginning and 185.1MB in the end (delta: -77.2MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:37:48,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa19735-eac2-4765-800b-387934bc6b6f/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