./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.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_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/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_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/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_33263885-9c31-45d1-bdf7-8e2280e3586c/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 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:25:46,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:25:46,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:25:46,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:25:46,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:25:46,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:25:46,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:25:46,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:25:46,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:25:46,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:25:46,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:25:46,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:25:46,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:25:46,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:25:46,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:25:46,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:25:46,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:25:46,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:25:46,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:25:46,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:25:46,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:25:46,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:25:46,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:25:46,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:25:46,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:25:46,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:25:46,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:25:46,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:25:46,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:25:46,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:25:46,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:25:46,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:25:46,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:25:46,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:25:46,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:25:46,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:25:46,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:25:46,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:25:46,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:25:46,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:25:46,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:25:46,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:25:46,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:25:46,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:25:46,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:25:46,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:25:46,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:25:46,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:25:46,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:25:46,376 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:25:46,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:25:46,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:25:46,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:25:46,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:25:46,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:25:46,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:25:46,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:25:46,384 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:25:46,385 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:25:46,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:25:46,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:25:46,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:25:46,385 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:25:46,386 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:25:46,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:25:46,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:25:46,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:25:46,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:25:46,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:25:46,387 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:25:46,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:25:46,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:25:46,389 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_33263885-9c31-45d1-bdf7-8e2280e3586c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a17e1f9edfd37607fb472869452b377d4af1281c9808dec0371b4f943952037 [2021-11-21 05:25:46,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:25:46,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:25:46,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:25:46,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:25:46,763 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:25:46,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2021-11-21 05:25:46,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/data/6ed86eac0/857fcac1fbab44edbd1de79559b6ed79/FLAGb210f396c [2021-11-21 05:25:47,533 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:25:47,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i [2021-11-21 05:25:47,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/data/6ed86eac0/857fcac1fbab44edbd1de79559b6ed79/FLAGb210f396c [2021-11-21 05:25:47,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/data/6ed86eac0/857fcac1fbab44edbd1de79559b6ed79 [2021-11-21 05:25:47,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:25:47,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:25:47,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:25:47,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:25:47,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:25:47,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:25:47" (1/1) ... [2021-11-21 05:25:47,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf66637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:47, skipping insertion in model container [2021-11-21 05:25:47,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:25:47" (1/1) ... [2021-11-21 05:25:47,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:25:47,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:25:48,416 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_33263885-9c31-45d1-bdf7-8e2280e3586c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i[33021,33034] [2021-11-21 05:25:48,655 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_33263885-9c31-45d1-bdf7-8e2280e3586c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i[49681,49694] [2021-11-21 05:25:48,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:25:48,674 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:25:48,711 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_33263885-9c31-45d1-bdf7-8e2280e3586c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i[33021,33034] [2021-11-21 05:25:48,818 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_33263885-9c31-45d1-bdf7-8e2280e3586c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-1.i[49681,49694] [2021-11-21 05:25:48,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:25:48,877 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:25:48,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48 WrapperNode [2021-11-21 05:25:48,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:25:48,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:25:48,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:25:48,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:25:48,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:48,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,009 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2021-11-21 05:25:49,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:25:49,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:25:49,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:25:49,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:25:49,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:25:49,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:25:49,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:25:49,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:25:49,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:25:48" (1/1) ... [2021-11-21 05:25:49,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:25:49,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:25:49,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:25:49,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:25:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:25:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:25:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:25:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:25:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:25:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:25:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:25:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:25:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:25:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:25:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 05:25:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:25:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:25:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:25:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:25:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:25:49,614 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:25:49,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:25:51,316 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:25:51,873 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:25:51,873 INFO L301 CfgBuilder]: Removed 83 assume(true) statements. [2021-11-21 05:25:51,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:51 BoogieIcfgContainer [2021-11-21 05:25:51,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:25:51,878 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:25:51,879 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:25:51,890 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:25:51,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:25:51" (1/1) ... [2021-11-21 05:25:51,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:25:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:51,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 164 states and 279 transitions. [2021-11-21 05:25:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 279 transitions. [2021-11-21 05:25:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:25:51,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:51,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:52,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:25:52,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:52,248 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 05:25:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:52,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 166 states and 282 transitions. [2021-11-21 05:25:52,304 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 282 transitions. [2021-11-21 05:25:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:25:52,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:52,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:52,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:52,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:52,441 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 05:25:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 165 states and 281 transitions. [2021-11-21 05:25:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 281 transitions. [2021-11-21 05:25:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:25:52,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:52,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:52,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:52,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:52,592 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 05:25:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 165 states and 277 transitions. [2021-11-21 05:25:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2021-11-21 05:25:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:25:52,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:52,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:52,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:52,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:52,740 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 05:25:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 165 states and 269 transitions. [2021-11-21 05:25:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 269 transitions. [2021-11-21 05:25:52,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:25:52,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:52,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:52,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:52,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:52,913 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 05:25:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 257 transitions. [2021-11-21 05:25:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2021-11-21 05:25:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:25:52,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:52,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:53,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:53,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:53,220 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 05:25:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 165 states and 245 transitions. [2021-11-21 05:25:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 245 transitions. [2021-11-21 05:25:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:25:53,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:53,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:53,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:25:53,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:53,738 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 05:25:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 210 states and 301 transitions. [2021-11-21 05:25:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 301 transitions. [2021-11-21 05:25:54,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:25:54,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:54,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:54,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:54,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:54,414 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 05:25:54,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 210 states and 299 transitions. [2021-11-21 05:25:54,427 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 299 transitions. [2021-11-21 05:25:54,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:25:54,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:54,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:54,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:54,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:54,692 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 05:25:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 210 states and 297 transitions. [2021-11-21 05:25:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2021-11-21 05:25:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:25:54,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:54,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:54,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:25:54,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:55,070 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 05:25:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 256 states and 355 transitions. [2021-11-21 05:25:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 355 transitions. [2021-11-21 05:25:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:25:55,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:55,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:55,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:55,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:55,991 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 05:25:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 256 states and 353 transitions. [2021-11-21 05:25:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 353 transitions. [2021-11-21 05:25:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:25:56,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:56,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:56,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:56,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:56,260 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 05:25:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 256 states and 351 transitions. [2021-11-21 05:25:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 351 transitions. [2021-11-21 05:25:56,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:25:56,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:56,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:56,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:56,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:56,455 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 05:25:56,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 256 states and 349 transitions. [2021-11-21 05:25:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 349 transitions. [2021-11-21 05:25:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:25:56,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:56,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:56,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:25:56,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:25:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 290 states and 391 transitions. [2021-11-21 05:25:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 391 transitions. [2021-11-21 05:25:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:25:57,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:57,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:57,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:57,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:57,405 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 05:25:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 290 states and 389 transitions. [2021-11-21 05:25:57,416 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 389 transitions. [2021-11-21 05:25:57,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:25:57,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:57,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:57,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:25:57,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:57,658 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 05:25:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 293 states and 391 transitions. [2021-11-21 05:25:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 391 transitions. [2021-11-21 05:25:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:25:57,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:57,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:57,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:57,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:57,916 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 05:25:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 293 states and 389 transitions. [2021-11-21 05:25:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 389 transitions. [2021-11-21 05:25:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:25:57,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:57,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:58,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:25:58,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:58,211 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 05:25:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 296 states and 391 transitions. [2021-11-21 05:25:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 391 transitions. [2021-11-21 05:25:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:25:58,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:58,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:58,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:25:58,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:58,537 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 05:25:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 299 states and 393 transitions. [2021-11-21 05:25:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 393 transitions. [2021-11-21 05:25:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:25:58,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:58,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:58,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:25:58,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:58,848 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 05:25:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:58,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 302 states and 395 transitions. [2021-11-21 05:25:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2021-11-21 05:25:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:25:58,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:58,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:59,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:25:59,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:25:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 305 states and 397 transitions. [2021-11-21 05:25:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 397 transitions. [2021-11-21 05:25:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:25:59,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:59,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:59,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:25:59,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:25:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:25:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 308 states and 399 transitions. [2021-11-21 05:25:59,748 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 399 transitions. [2021-11-21 05:25:59,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:25:59,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:25:59,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:25:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:25:59,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:25:59,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:25:59,992 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 05:26:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 308 states and 398 transitions. [2021-11-21 05:26:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 398 transitions. [2021-11-21 05:26:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:26:00,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:00,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:00,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:00,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:00,315 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 05:26:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 317 states and 409 transitions. [2021-11-21 05:26:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 409 transitions. [2021-11-21 05:26:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:26:00,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:00,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:00,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:00,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:01,087 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 05:26:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 326 states and 419 transitions. [2021-11-21 05:26:01,136 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 419 transitions. [2021-11-21 05:26:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:26:01,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:01,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:01,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:01,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:01,420 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 05:26:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 335 states and 429 transitions. [2021-11-21 05:26:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 429 transitions. [2021-11-21 05:26:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:26:01,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:01,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:01,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:01,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:01,780 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 05:26:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 344 states and 440 transitions. [2021-11-21 05:26:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 440 transitions. [2021-11-21 05:26:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:26:02,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:02,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:02,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:02,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:02,425 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 05:26:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 353 states and 450 transitions. [2021-11-21 05:26:02,488 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-21 05:26:02,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:26:02,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:02,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:02,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:02,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:02,757 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 05:26:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 362 states and 460 transitions. [2021-11-21 05:26:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 460 transitions. [2021-11-21 05:26:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:26:02,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:02,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:02,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:26:03,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:26:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 371 states and 471 transitions. [2021-11-21 05:26:03,640 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 471 transitions. [2021-11-21 05:26:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:26:03,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:03,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:03,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:03,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:26:04,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 372 states and 473 transitions. [2021-11-21 05:26:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 473 transitions. [2021-11-21 05:26:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:26:04,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:04,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:04,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:26:04,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:26:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 385 states and 488 transitions. [2021-11-21 05:26:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 488 transitions. [2021-11-21 05:26:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:26:05,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:05,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:05,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:26:05,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:26:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 394 states and 498 transitions. [2021-11-21 05:26:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 498 transitions. [2021-11-21 05:26:05,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:26:05,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:05,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:05,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:26:05,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:26:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 397 states and 500 transitions. [2021-11-21 05:26:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 500 transitions. [2021-11-21 05:26:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:26:06,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:06,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:07,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:26:07,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:07,335 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:26:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:07,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 399 states and 508 transitions. [2021-11-21 05:26:07,521 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 508 transitions. [2021-11-21 05:26:07,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 05:26:07,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:07,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:07,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:07,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 05:26:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 400 states and 510 transitions. [2021-11-21 05:26:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 510 transitions. [2021-11-21 05:26:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:26:09,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:09,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:16,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 05:26:16,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 05:26:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 402 states and 514 transitions. [2021-11-21 05:26:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 514 transitions. [2021-11-21 05:26:17,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:26:17,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:17,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:17,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:26:17,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-21 05:26:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 403 states and 516 transitions. [2021-11-21 05:26:18,677 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 516 transitions. [2021-11-21 05:26:18,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:26:18,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:18,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:18,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:26:18,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 05:26:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 403 states and 514 transitions. [2021-11-21 05:26:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 514 transitions. [2021-11-21 05:26:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 05:26:19,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:19,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:19,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:26:19,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 05:26:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 406 states and 516 transitions. [2021-11-21 05:26:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 516 transitions. [2021-11-21 05:26:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 05:26:20,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:20,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:26:28,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 05:26:28,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:26:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 50 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 05:26:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:26:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 406 states and 516 transitions. [2021-11-21 05:26:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 516 transitions. [2021-11-21 05:26:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 05:26:29,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:26:29,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:26:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:26:39,574 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 05:26:39,579 INFO L158 Benchmark]: Toolchain (without parser) took 51872.58ms. Allocated memory was 104.9MB in the beginning and 281.0MB in the end (delta: 176.2MB). Free memory was 71.5MB in the beginning and 101.7MB in the end (delta: -30.2MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB. [2021-11-21 05:26:39,580 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:26:39,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1169.29ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 71.5MB in the beginning and 74.6MB in the end (delta: -3.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-21 05:26:39,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.86ms. Allocated memory is still 127.9MB. Free memory was 74.6MB in the beginning and 65.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:26:39,582 INFO L158 Benchmark]: Boogie Preprocessor took 190.26ms. Allocated memory is still 127.9MB. Free memory was 65.7MB in the beginning and 56.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:26:39,583 INFO L158 Benchmark]: RCFGBuilder took 2676.01ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 56.3MB in the beginning and 123.0MB in the end (delta: -66.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-21 05:26:39,584 INFO L158 Benchmark]: CodeCheck took 47698.64ms. Allocated memory was 167.8MB in the beginning and 281.0MB in the end (delta: 113.2MB). Free memory was 123.0MB in the beginning and 101.7MB in the end (delta: 21.4MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. [2021-11-21 05:26:39,588 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 0.32ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1169.29ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 71.5MB in the beginning and 74.6MB in the end (delta: -3.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.86ms. Allocated memory is still 127.9MB. Free memory was 74.6MB in the beginning and 65.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.26ms. Allocated memory is still 127.9MB. Free memory was 65.7MB in the beginning and 56.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2676.01ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 56.3MB in the beginning and 123.0MB in the end (delta: -66.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * CodeCheck took 47698.64ms. Allocated memory was 167.8MB in the beginning and 281.0MB in the end (delta: 113.2MB). Free memory was 123.0MB in the beginning and 101.7MB in the end (delta: 21.4MB). Peak memory consumption was 135.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:26:39,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33263885-9c31-45d1-bdf7-8e2280e3586c/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_33263885-9c31-45d1-bdf7-8e2280e3586c/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