./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL --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 bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:34:31,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:34:31,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:34:31,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:34:31,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:34:31,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:34:31,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:34:31,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:34:31,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:34:31,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:34:31,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:34:31,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:34:31,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:34:31,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:34:31,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:34:31,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:34:31,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:34:31,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:34:31,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:34:31,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:34:31,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:34:31,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:34:31,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:34:31,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:34:31,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:34:31,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:34:31,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:34:31,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:34:31,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:34:31,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:34:31,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:34:31,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:34:31,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:34:31,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:34:31,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:34:31,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:34:31,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:34:31,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:34:31,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:34:31,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:34:31,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:34:31,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:34:31,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:34:31,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:34:31,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:34:31,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:34:31,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:34:31,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:34:31,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:34:31,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:34:31,248 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:34:31,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:34:31,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:34:31,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:34:31,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:34:31,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:34:31,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:34:31,251 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:34:31,251 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:34:31,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:34:31,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:34:31,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:34:31,252 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:34:31,252 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:34:31,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:34:31,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:34:31,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:34:31,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:34:31,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:34:31,254 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:34:31,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:34:31,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:34:31,256 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2021-11-25 06:34:31,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:34:31,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:34:31,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:34:31,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:34:31,573 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:34:31,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2021-11-25 06:34:31,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/data/5eabbf2c8/58dc45a66b8248e5ae3b6c09220253a8/FLAG3213ebecf [2021-11-25 06:34:32,379 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:34:32,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2021-11-25 06:34:32,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/data/5eabbf2c8/58dc45a66b8248e5ae3b6c09220253a8/FLAG3213ebecf [2021-11-25 06:34:32,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/data/5eabbf2c8/58dc45a66b8248e5ae3b6c09220253a8 [2021-11-25 06:34:32,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:34:32,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:34:32,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:34:32,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:34:32,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:34:32,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:34:32" (1/1) ... [2021-11-25 06:34:32,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e81bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:32, skipping insertion in model container [2021-11-25 06:34:32,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:34:32" (1/1) ... [2021-11-25 06:34:32,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:34:32,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:34:33,180 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44118,44131] [2021-11-25 06:34:33,195 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44660,44673] [2021-11-25 06:34:33,332 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56247,56260] [2021-11-25 06:34:33,333 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56368,56381] [2021-11-25 06:34:33,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:34:33,357 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:34:33,411 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44118,44131] [2021-11-25 06:34:33,413 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44660,44673] [2021-11-25 06:34:33,507 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56247,56260] [2021-11-25 06:34:33,526 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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56368,56381] [2021-11-25 06:34:33,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:34:33,658 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:34:33,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33 WrapperNode [2021-11-25 06:34:33,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:34:33,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:34:33,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:34:33,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:34:33,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:33,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:33,830 INFO L137 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1209 [2021-11-25 06:34:33,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:34:33,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:34:33,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:34:33,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:34:33,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:33,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:33,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:33,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:33,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:33,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:33,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:34,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:34:34,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:34:34,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:34:34,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:34:34,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:33" (1/1) ... [2021-11-25 06:34:34,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:34:34,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:34:34,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:34:34,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:34:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:34:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 06:34:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:34:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:34:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-25 06:34:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-25 06:34:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:34:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 06:34:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 06:34:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:34:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:34:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:34:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-25 06:34:34,113 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-25 06:34:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:34:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-25 06:34:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-25 06:34:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:34:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:34:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:34:34,392 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:34:34,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:34:35,441 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:34:35,866 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:34:35,866 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 06:34:35,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:34:35 BoogieIcfgContainer [2021-11-25 06:34:35,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:34:35,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:34:35,873 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:34:35,883 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:34:35,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:34:35" (1/1) ... [2021-11-25 06:34:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:34:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 176 states and 279 transitions. [2021-11-25 06:34:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 279 transitions. [2021-11-25 06:34:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:34:35,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:35,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:36,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 06:34:36,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:36,231 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 [2021-11-25 06:34:36,266 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 06:34:36,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 06:34:36,275 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 8 treesize of output 7 [2021-11-25 06:34:36,285 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 8 treesize of output 7 [2021-11-25 06:34:36,401 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 7 treesize of output 3 [2021-11-25 06:34:36,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 06:34:36,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-25 06:34:36,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:34:36,523 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 22 treesize of output 10 [2021-11-25 06:34:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 179 states and 284 transitions. [2021-11-25 06:34:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 284 transitions. [2021-11-25 06:34:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:34:36,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:36,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:36,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 06:34:36,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:36,815 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 06:34:36,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 06:34:36,826 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 8 treesize of output 7 [2021-11-25 06:34:36,832 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 8 treesize of output 7 [2021-11-25 06:34:36,997 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 15 treesize of output 11 [2021-11-25 06:34:37,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 06:34:37,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-25 06:34:37,041 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 [2021-11-25 06:34:37,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:34:37,066 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 15 treesize of output 7 [2021-11-25 06:34:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 180 states and 286 transitions. [2021-11-25 06:34:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 286 transitions. [2021-11-25 06:34:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:34:37,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:37,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:37,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:34:37,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 180 states and 284 transitions. [2021-11-25 06:34:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 284 transitions. [2021-11-25 06:34:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:34:37,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:37,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 180 states and 279 transitions. [2021-11-25 06:34:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2021-11-25 06:34:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:34:37,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:37,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:37,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:34:37,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 180 states and 273 transitions. [2021-11-25 06:34:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 273 transitions. [2021-11-25 06:34:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:34:37,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:37,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:37,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:34:37,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:37,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2021-11-25 06:34:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2021-11-25 06:34:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:34:37,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:37,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:37,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:34:37,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:37,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 180 states and 269 transitions. [2021-11-25 06:34:37,965 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2021-11-25 06:34:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:34:37,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:37,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:38,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:38,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 197 states and 296 transitions. [2021-11-25 06:34:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 296 transitions. [2021-11-25 06:34:38,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:34:38,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:38,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:38,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:38,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:38,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:39,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:39,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 215 states and 324 transitions. [2021-11-25 06:34:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 324 transitions. [2021-11-25 06:34:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:34:39,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:39,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:39,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:34:39,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:39,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 215 states and 322 transitions. [2021-11-25 06:34:39,703 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2021-11-25 06:34:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:34:39,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:39,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:39,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:34:39,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 215 states and 318 transitions. [2021-11-25 06:34:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 318 transitions. [2021-11-25 06:34:39,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:34:39,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:39,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:39,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:39,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:40,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:34:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:40,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 320 transitions. [2021-11-25 06:34:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 320 transitions. [2021-11-25 06:34:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:34:40,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:40,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:40,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:40,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:34:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 221 states and 322 transitions. [2021-11-25 06:34:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 322 transitions. [2021-11-25 06:34:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:34:40,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:40,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:40,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:34:40,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2021-11-25 06:34:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2021-11-25 06:34:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:34:40,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:40,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:40,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:34:40,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 247 states and 361 transitions. [2021-11-25 06:34:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 361 transitions. [2021-11-25 06:34:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:34:42,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:42,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:42,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:42,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 256 states and 373 transitions. [2021-11-25 06:34:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2021-11-25 06:34:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:34:42,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:42,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:43,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:34:43,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 283 states and 421 transitions. [2021-11-25 06:34:44,579 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 421 transitions. [2021-11-25 06:34:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:34:44,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:44,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:45,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:45,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 292 states and 434 transitions. [2021-11-25 06:34:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 434 transitions. [2021-11-25 06:34:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:34:45,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:45,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:45,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:45,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:47,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:47,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 306 states and 453 transitions. [2021-11-25 06:34:47,123 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 453 transitions. [2021-11-25 06:34:47,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:34:47,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:47,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:47,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:34:47,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:34:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 309 states and 455 transitions. [2021-11-25 06:34:47,378 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 455 transitions. [2021-11-25 06:34:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:34:47,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:47,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:47,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:34:47,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:34:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 312 states and 457 transitions. [2021-11-25 06:34:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 457 transitions. [2021-11-25 06:34:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 06:34:47,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:47,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:47,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 06:34:47,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:50,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 328 states and 503 transitions. [2021-11-25 06:34:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 503 transitions. [2021-11-25 06:34:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:34:50,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:50,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:50,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:34:50,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 343 states and 546 transitions. [2021-11-25 06:34:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 546 transitions. [2021-11-25 06:34:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:34:51,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:51,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:52,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:52,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:34:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 346 states and 548 transitions. [2021-11-25 06:34:52,585 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 548 transitions. [2021-11-25 06:34:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:34:52,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:52,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:52,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:52,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 350 states and 558 transitions. [2021-11-25 06:34:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 558 transitions. [2021-11-25 06:34:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:34:53,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:53,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:53,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:34:53,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:53,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 350 states and 554 transitions. [2021-11-25 06:34:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2021-11-25 06:34:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:34:53,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:53,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:53,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:34:53,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:34:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 348 states and 550 transitions. [2021-11-25 06:34:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 550 transitions. [2021-11-25 06:34:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:34:53,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:53,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:54,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:34:54,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:54,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 358 states and 582 transitions. [2021-11-25 06:34:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 582 transitions. [2021-11-25 06:34:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 06:34:56,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:56,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:56,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:34:56,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:58,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 366 states and 605 transitions. [2021-11-25 06:34:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 605 transitions. [2021-11-25 06:34:58,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:34:58,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:58,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:58,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:34:58,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:35:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:01,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 387 states and 663 transitions. [2021-11-25 06:35:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 663 transitions. [2021-11-25 06:35:01,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:35:01,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:01,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:02,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:35:02,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:35:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:35:03,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 390 states and 672 transitions. [2021-11-25 06:35:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 672 transitions. [2021-11-25 06:35:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:35:03,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:03,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:03,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:35:03,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:35:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:35:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 390 states and 669 transitions. [2021-11-25 06:35:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 669 transitions. [2021-11-25 06:35:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:35:05,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:05,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:05,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:35:05,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:35:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:35:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 408 states and 723 transitions. [2021-11-25 06:35:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 723 transitions. [2021-11-25 06:35:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:35:19,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:19,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:20,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:35:20,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:35:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:35:28,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 420 states and 753 transitions. [2021-11-25 06:35:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 753 transitions. [2021-11-25 06:35:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 06:35:28,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:28,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:28,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:35:28,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:35:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:35:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 421 states and 755 transitions. [2021-11-25 06:35:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 755 transitions. [2021-11-25 06:35:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 06:35:30,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:30,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:31,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 06:35:31,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:35:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:35:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 423 states and 757 transitions. [2021-11-25 06:35:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 757 transitions. [2021-11-25 06:35:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:35:37,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:37,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:37,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 06:35:37,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:35:40,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:04,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 431 states and 784 transitions. [2021-11-25 06:36:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 784 transitions. [2021-11-25 06:36:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:36:04,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:04,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:04,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 06:36:04,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:36:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:14,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 433 states and 788 transitions. [2021-11-25 06:36:14,581 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 788 transitions. [2021-11-25 06:36:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:36:14,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:14,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:15,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 06:36:15,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:36:16,816 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:36:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:25,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 435 states and 793 transitions. [2021-11-25 06:36:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 793 transitions. [2021-11-25 06:36:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 06:36:25,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:25,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:25,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 06:36:25,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:36:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 06:36:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 439 states and 802 transitions. [2021-11-25 06:36:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 802 transitions. [2021-11-25 06:36:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 06:36:45,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:45,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:46,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:36:46,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:36:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:37:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 442 states and 807 transitions. [2021-11-25 06:37:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 807 transitions. [2021-11-25 06:37:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 06:37:03,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:03,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:04,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 06:37:04,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:37:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:37:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:19,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 444 states and 811 transitions. [2021-11-25 06:37:19,588 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 811 transitions. [2021-11-25 06:37:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 06:37:19,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:19,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:19,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 06:37:19,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:37:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:37:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:41,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 443 states and 812 transitions. [2021-11-25 06:37:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 812 transitions. [2021-11-25 06:37:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 06:37:41,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:41,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:42,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-25 06:37:42,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:37:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:37:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 445 states and 818 transitions. [2021-11-25 06:37:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 818 transitions. [2021-11-25 06:37:59,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:37:59,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:59,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:05,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:38:05,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:38:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 06:38:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 448 states and 821 transitions. [2021-11-25 06:38:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 821 transitions. [2021-11-25 06:38:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:38:40,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:40,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-25 06:38:51,218 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) [2021-11-25 06:38:51,221 INFO L158 Benchmark]: Toolchain (without parser) took 258648.47ms. Allocated memory was 96.5MB in the beginning and 463.5MB in the end (delta: 367.0MB). Free memory was 59.4MB in the beginning and 205.8MB in the end (delta: -146.5MB). Peak memory consumption was 221.6MB. Max. memory is 16.1GB. [2021-11-25 06:38:51,222 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:38:51,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.49ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.2MB in the beginning and 79.9MB in the end (delta: -20.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-25 06:38:51,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.18ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 72.1MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 06:38:51,224 INFO L158 Benchmark]: Boogie Preprocessor took 180.36ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 63.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:38:51,225 INFO L158 Benchmark]: RCFGBuilder took 1859.75ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 63.7MB in the beginning and 88.3MB in the end (delta: -24.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-11-25 06:38:51,225 INFO L158 Benchmark]: CodeCheck took 255347.94ms. Allocated memory was 157.3MB in the beginning and 463.5MB in the end (delta: 306.2MB). Free memory was 88.3MB in the beginning and 205.8MB in the end (delta: -117.6MB). Peak memory consumption was 188.6MB. Max. memory is 16.1GB. [2021-11-25 06:38:51,229 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 0.29ms. Allocated memory is still 96.5MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1085.49ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.2MB in the beginning and 79.9MB in the end (delta: -20.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 170.18ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 72.1MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.36ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 63.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1859.75ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 63.7MB in the beginning and 88.3MB in the end (delta: -24.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * CodeCheck took 255347.94ms. Allocated memory was 157.3MB in the beginning and 463.5MB in the end (delta: 306.2MB). Free memory was 88.3MB in the beginning and 205.8MB in the end (delta: -117.6MB). Peak memory consumption was 188.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:38:51,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/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_b29ed419-e0a8-48f5-9cd2-09e949a20a76/bin/ukojak-d1pc8ZmBRL/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