./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.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_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/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_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/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_385689cf-2296-476d-90c8-65ea4c9ea1d1/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 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:47:19,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:47:19,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:47:19,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:47:19,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:47:19,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:47:19,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:47:19,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:47:19,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:47:19,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:47:19,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:47:19,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:47:19,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:47:19,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:47:19,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:47:19,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:47:19,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:47:19,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:47:19,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:47:19,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:47:19,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:47:19,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:47:19,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:47:19,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:47:19,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:47:19,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:47:19,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:47:19,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:47:19,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:47:19,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:47:19,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:47:19,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:47:19,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:47:19,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:47:19,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:47:19,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:47:19,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:47:19,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:47:19,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:47:19,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:47:19,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:47:19,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:47:19,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:47:19,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:47:19,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:47:19,268 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:47:19,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:47:19,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:47:19,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:47:19,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:47:19,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:47:19,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:47:19,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:47:19,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:47:19,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:47:19,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:47:19,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:47:19,273 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:47:19,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:47:19,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:47:19,274 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:47:19,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:47:19,274 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:47:19,274 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:47:19,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:47:19,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:47:19,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:47:19,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:47:19,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:47:19,276 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:47:19,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:47:19,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:47:19,278 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_385689cf-2296-476d-90c8-65ea4c9ea1d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2021-11-21 05:47:19,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:47:19,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:47:19,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:47:19,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:47:19,679 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:47:19,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2021-11-21 05:47:19,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/data/e273cce20/cae2a46b65774715b2c4975e1a14c190/FLAG51f92acab [2021-11-21 05:47:20,595 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:47:20,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2021-11-21 05:47:20,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/data/e273cce20/cae2a46b65774715b2c4975e1a14c190/FLAG51f92acab [2021-11-21 05:47:20,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/data/e273cce20/cae2a46b65774715b2c4975e1a14c190 [2021-11-21 05:47:20,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:47:20,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:47:20,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:47:20,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:47:20,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:47:20,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:47:20" (1/1) ... [2021-11-21 05:47:20,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6351ed3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:20, skipping insertion in model container [2021-11-21 05:47:20,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:47:20" (1/1) ... [2021-11-21 05:47:20,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:47:20,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:47:21,422 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_385689cf-2296-476d-90c8-65ea4c9ea1d1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i[33021,33034] [2021-11-21 05:47:21,590 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_385689cf-2296-476d-90c8-65ea4c9ea1d1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i[45234,45247] [2021-11-21 05:47:21,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:47:21,611 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:47:21,645 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_385689cf-2296-476d-90c8-65ea4c9ea1d1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i[33021,33034] [2021-11-21 05:47:21,719 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_385689cf-2296-476d-90c8-65ea4c9ea1d1/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i[45234,45247] [2021-11-21 05:47:21,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:47:21,781 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:47:21,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21 WrapperNode [2021-11-21 05:47:21,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:47:21,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:47:21,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:47:21,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:47:21,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:21,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:21,918 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-21 05:47:21,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:47:21,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:47:21,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:47:21,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:47:21,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:21,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:21,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:21,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:21,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:22,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:22,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:22,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:47:22,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:47:22,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:47:22,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:47:22,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:47:21" (1/1) ... [2021-11-21 05:47:22,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:47:22,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:47:22,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:47:22,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:47:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:47:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:47:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:47:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:47:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:47:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:47:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-21 05:47:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-21 05:47:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:47:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:47:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:47:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:47:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 05:47:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:47:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:47:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:47:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:47:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:47:22,454 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:47:22,456 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:47:23,526 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:47:24,018 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:47:24,019 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-21 05:47:24,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:47:24 BoogieIcfgContainer [2021-11-21 05:47:24,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:47:24,023 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:47:24,023 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:47:24,036 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:47:24,036 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:47:24" (1/1) ... [2021-11-21 05:47:24,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:47:24,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 158 states and 268 transitions. [2021-11-21 05:47:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2021-11-21 05:47:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:47:24,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:24,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:24,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 05:47:24,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:24,387 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 05:47:24,398 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 05:47:24,487 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 05:47:24,518 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 05:47:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2021-11-21 05:47:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2021-11-21 05:47:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:47:24,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:24,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:24,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 05:47:24,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:24,673 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 05:47:24,677 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 05:47:24,769 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 05:47:24,778 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 05:47:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 274 transitions. [2021-11-21 05:47:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 274 transitions. [2021-11-21 05:47:24,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:47:24,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:24,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:24,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:47:24,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:24,946 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 05:47:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2021-11-21 05:47:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2021-11-21 05:47:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:47:24,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:24,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:25,083 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 05:47:25,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 162 states and 267 transitions. [2021-11-21 05:47:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2021-11-21 05:47:25,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:47:25,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:25,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:25,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:47:25,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:25,364 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 05:47:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 162 states and 263 transitions. [2021-11-21 05:47:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 263 transitions. [2021-11-21 05:47:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:47:25,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:25,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:25,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:47:25,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:25,510 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 05:47:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 162 states and 257 transitions. [2021-11-21 05:47:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2021-11-21 05:47:25,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:47:25,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:25,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:25,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:47:25,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:25,685 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 05:47:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 162 states and 249 transitions. [2021-11-21 05:47:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 249 transitions. [2021-11-21 05:47:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:47:25,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:25,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:25,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:47:25,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:25,994 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 05:47:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 191 states and 288 transitions. [2021-11-21 05:47:26,499 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 288 transitions. [2021-11-21 05:47:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:47:26,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:26,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:26,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:47:26,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:26,770 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 05:47:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 221 states and 329 transitions. [2021-11-21 05:47:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 329 transitions. [2021-11-21 05:47:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:47:27,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:27,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:27,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:47:27,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:27,808 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 05:47:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 221 states and 327 transitions. [2021-11-21 05:47:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 327 transitions. [2021-11-21 05:47:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:47:27,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:27,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:27,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:47:27,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:27,986 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 05:47:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 221 states and 325 transitions. [2021-11-21 05:47:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2021-11-21 05:47:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:47:27,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:27,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:28,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:47:28,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:28,193 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 05:47:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2021-11-21 05:47:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2021-11-21 05:47:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:47:28,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:28,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:28,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:47:28,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:28,369 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 05:47:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2021-11-21 05:47:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2021-11-21 05:47:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 05:47:28,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:28,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:28,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:47:28,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:28,630 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 05:47:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:28,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 227 states and 327 transitions. [2021-11-21 05:47:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 327 transitions. [2021-11-21 05:47:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:47:28,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:28,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:28,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:47:28,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:28,979 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 05:47:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:29,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 241 states and 345 transitions. [2021-11-21 05:47:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 345 transitions. [2021-11-21 05:47:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:47:29,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:29,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:29,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:47:29,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:29,909 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 05:47:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 253 states and 360 transitions. [2021-11-21 05:47:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 360 transitions. [2021-11-21 05:47:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:47:29,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:29,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:30,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:47:30,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:30,194 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 05:47:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 256 states and 362 transitions. [2021-11-21 05:47:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 362 transitions. [2021-11-21 05:47:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 05:47:30,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:30,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:30,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:47:30,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:30,459 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 05:47:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:30,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 268 states and 377 transitions. [2021-11-21 05:47:30,537 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 377 transitions. [2021-11-21 05:47:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:47:30,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:30,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:30,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:47:30,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:47:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2021-11-21 05:47:31,649 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2021-11-21 05:47:31,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:47:31,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:31,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:31,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 05:47:31,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:47:32,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:32,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2021-11-21 05:47:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2021-11-21 05:47:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:47:32,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:32,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:32,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 05:47:33,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:47:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 272 states and 385 transitions. [2021-11-21 05:47:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 385 transitions. [2021-11-21 05:47:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 05:47:33,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:33,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:34,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 05:47:34,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:47:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 274 states and 390 transitions. [2021-11-21 05:47:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 390 transitions. [2021-11-21 05:47:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 05:47:35,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:35,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:36,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 05:47:36,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:47:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:37,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 276 states and 393 transitions. [2021-11-21 05:47:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 393 transitions. [2021-11-21 05:47:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:47:37,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:37,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:37,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 05:47:37,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:47:41,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 275 states and 392 transitions. [2021-11-21 05:47:41,286 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 392 transitions. [2021-11-21 05:47:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:47:41,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:41,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:42,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:47:42,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:47:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 275 states and 392 transitions. [2021-11-21 05:47:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 392 transitions. [2021-11-21 05:47:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:47:44,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:44,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:45,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:47:45,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:47:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 275 states and 392 transitions. [2021-11-21 05:47:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 392 transitions. [2021-11-21 05:47:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:47:45,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:45,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:46,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:47:46,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 05:47:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 277 states and 395 transitions. [2021-11-21 05:47:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 395 transitions. [2021-11-21 05:47:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:47:47,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:47,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:48,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 05:47:48,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:47:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 277 states and 395 transitions. [2021-11-21 05:47:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 395 transitions. [2021-11-21 05:47:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:47:50,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:50,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:52,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 05:47:52,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:47:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 277 states and 395 transitions. [2021-11-21 05:47:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 395 transitions. [2021-11-21 05:47:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:47:52,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:52,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:53,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 05:47:53,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 1 proven. 86 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:47:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:55,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 278 states and 398 transitions. [2021-11-21 05:47:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 398 transitions. [2021-11-21 05:47:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:47:55,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:55,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:55,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 05:47:55,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 05:47:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:47:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 279 states and 399 transitions. [2021-11-21 05:47:58,191 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2021-11-21 05:47:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:47:58,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:47:58,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:47:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:47:59,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 05:47:59,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:47:59,940 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:48:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 279 states and 399 transitions. [2021-11-21 05:48:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2021-11-21 05:48:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:48:01,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:01,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:02,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 05:48:02,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 05:48:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 279 states and 399 transitions. [2021-11-21 05:48:02,819 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2021-11-21 05:48:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:48:02,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:02,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:03,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 05:48:03,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 11 proven. 105 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:48:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 279 states and 399 transitions. [2021-11-21 05:48:06,451 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2021-11-21 05:48:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 05:48:06,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:06,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:07,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 05:48:07,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 05:48:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 281 states and 402 transitions. [2021-11-21 05:48:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 402 transitions. [2021-11-21 05:48:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:48:09,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:09,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:10,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:48:10,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 05:48:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 283 states and 406 transitions. [2021-11-21 05:48:16,072 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 406 transitions. [2021-11-21 05:48:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-21 05:48:16,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:16,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:16,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 05:48:16,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 05:48:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 285 states and 413 transitions. [2021-11-21 05:48:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 413 transitions. [2021-11-21 05:48:23,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:48:23,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:23,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:24,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 05:48:24,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 05:48:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 285 states and 413 transitions. [2021-11-21 05:48:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 413 transitions. [2021-11-21 05:48:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:48:29,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:29,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:30,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 05:48:30,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 05:48:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 285 states and 413 transitions. [2021-11-21 05:48:30,708 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 413 transitions. [2021-11-21 05:48:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:48:30,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:30,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:48:32,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 05:48:32,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:48:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 05:48:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:48:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 285 states and 413 transitions. [2021-11-21 05:48:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 413 transitions. [2021-11-21 05:48:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:48:35,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:48:35,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:48:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:48:45,772 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 05:48:45,777 INFO L158 Benchmark]: Toolchain (without parser) took 85019.84ms. Allocated memory was 111.1MB in the beginning and 257.9MB in the end (delta: 146.8MB). Free memory was 88.0MB in the beginning and 200.6MB in the end (delta: -112.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-21 05:48:45,778 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:48:45,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1023.03ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 62.8MB in the end (delta: 24.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-21 05:48:45,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.44ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 56.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:48:45,780 INFO L158 Benchmark]: Boogie Preprocessor took 140.97ms. Allocated memory is still 111.1MB. Free memory was 56.1MB in the beginning and 48.7MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:48:45,781 INFO L158 Benchmark]: RCFGBuilder took 1960.82ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 48.7MB in the beginning and 99.7MB in the end (delta: -50.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-11-21 05:48:45,782 INFO L158 Benchmark]: CodeCheck took 81752.05ms. Allocated memory was 165.7MB in the beginning and 257.9MB in the end (delta: 92.3MB). Free memory was 99.7MB in the beginning and 200.6MB in the end (delta: -100.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:48:45,786 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 0.33ms. Allocated memory is still 79.7MB. Free memory was 58.8MB in the beginning and 58.8MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1023.03ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 62.8MB in the end (delta: 24.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.44ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 56.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.97ms. Allocated memory is still 111.1MB. Free memory was 56.1MB in the beginning and 48.7MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1960.82ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 48.7MB in the beginning and 99.7MB in the end (delta: -50.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * CodeCheck took 81752.05ms. Allocated memory was 165.7MB in the beginning and 257.9MB in the end (delta: 92.3MB). Free memory was 99.7MB in the beginning and 200.6MB in the end (delta: -100.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:48:45,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385689cf-2296-476d-90c8-65ea4c9ea1d1/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_385689cf-2296-476d-90c8-65ea4c9ea1d1/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