./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.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_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/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_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/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_50976f68-2b3e-42d0-96ab-4234ead52ab8/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 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:37:17,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:37:17,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:37:17,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:37:17,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:37:17,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:37:17,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:37:17,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:37:17,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:37:17,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:37:17,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:37:17,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:37:17,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:37:17,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:37:17,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:37:17,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:37:17,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:37:17,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:37:17,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:37:17,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:37:17,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:37:17,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:37:17,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:37:17,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:37:17,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:37:17,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:37:17,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:37:17,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:37:17,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:37:17,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:37:17,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:37:17,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:37:17,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:37:17,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:37:17,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:37:17,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:37:17,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:37:17,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:37:17,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:37:17,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:37:17,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:37:17,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:37:17,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:37:17,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:37:17,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:37:17,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:37:17,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:37:17,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:37:17,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:37:17,216 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:37:17,222 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:37:17,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:37:17,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:37:17,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:37:17,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:37:17,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:37:17,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:37:17,225 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:37:17,225 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:37:17,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:37:17,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:37:17,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:37:17,226 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:37:17,226 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:37:17,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:37:17,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:37:17,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:37:17,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:37:17,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:37:17,227 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:37:17,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:37:17,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:37:17,228 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_50976f68-2b3e-42d0-96ab-4234ead52ab8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 [2021-11-21 05:37:17,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:37:17,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:37:17,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:37:17,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:37:17,563 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:37:17,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2021-11-21 05:37:17,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/data/d08669b30/20b8dc112d72431fb89c3c218d0b3fb7/FLAGf4445c583 [2021-11-21 05:37:18,329 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:37:18,329 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2021-11-21 05:37:18,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/data/d08669b30/20b8dc112d72431fb89c3c218d0b3fb7/FLAGf4445c583 [2021-11-21 05:37:18,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/data/d08669b30/20b8dc112d72431fb89c3c218d0b3fb7 [2021-11-21 05:37:18,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:37:18,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:37:18,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:37:18,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:37:18,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:37:18,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:37:18" (1/1) ... [2021-11-21 05:37:18,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2640b9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:18, skipping insertion in model container [2021-11-21 05:37:18,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:37:18" (1/1) ... [2021-11-21 05:37:18,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:37:18,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:37:19,020 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_50976f68-2b3e-42d0-96ab-4234ead52ab8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2021-11-21 05:37:19,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:37:19,139 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:37:19,168 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_50976f68-2b3e-42d0-96ab-4234ead52ab8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i[33021,33034] [2021-11-21 05:37:19,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:37:19,315 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:37:19,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19 WrapperNode [2021-11-21 05:37:19,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:37:19,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:37:19,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:37:19,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:37:19,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,469 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1159 [2021-11-21 05:37:19,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:37:19,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:37:19,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:37:19,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:37:19,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:37:19,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:37:19,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:37:19,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:37:19,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:37:19" (1/1) ... [2021-11-21 05:37:19,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:37:19,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:37:19,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:37:19,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:37:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:37:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:37:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:37:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:37:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:37:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:37:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:37:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:37:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:37:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:37:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:37:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:37:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:37:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:37:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:37:20,002 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:37:20,004 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:37:21,164 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:37:21,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:37:21,659 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-21 05:37:21,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:37:21 BoogieIcfgContainer [2021-11-21 05:37:21,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:37:21,666 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:37:21,666 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:37:21,676 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:37:21,677 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:37:21" (1/1) ... [2021-11-21 05:37:21,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:37:21,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 135 states and 231 transitions. [2021-11-21 05:37:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 231 transitions. [2021-11-21 05:37:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:37:21,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:21,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:21,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:21,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:22,048 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 05:37:22,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2021-11-21 05:37:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2021-11-21 05:37:22,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:37:22,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:22,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:22,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:22,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:22,192 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 05:37:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2021-11-21 05:37:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2021-11-21 05:37:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:37:22,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:22,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:22,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:22,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:22,321 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 05:37:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 136 states and 229 transitions. [2021-11-21 05:37:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 229 transitions. [2021-11-21 05:37:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:37:22,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:22,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:22,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:22,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:22,462 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 05:37:22,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:22,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2021-11-21 05:37:22,473 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2021-11-21 05:37:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:37:22,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:22,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:22,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:22,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:22,642 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 05:37:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 136 states and 209 transitions. [2021-11-21 05:37:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 209 transitions. [2021-11-21 05:37:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:37:22,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:22,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:22,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:22,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:22,890 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 05:37:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2021-11-21 05:37:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2021-11-21 05:37:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:37:23,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:23,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:23,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:23,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:23,474 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 05:37:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 181 states and 253 transitions. [2021-11-21 05:37:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2021-11-21 05:37:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:37:23,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:23,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:23,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:23,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:24,041 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 05:37:24,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 181 states and 251 transitions. [2021-11-21 05:37:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2021-11-21 05:37:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:37:24,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:24,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:24,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:24,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:24,241 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 05:37:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 181 states and 249 transitions. [2021-11-21 05:37:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2021-11-21 05:37:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:37:24,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:24,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:24,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:24,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:24,601 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 05:37:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 227 states and 307 transitions. [2021-11-21 05:37:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 307 transitions. [2021-11-21 05:37:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:37:25,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:25,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:25,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:25,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:25,346 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 05:37:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 227 states and 305 transitions. [2021-11-21 05:37:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 305 transitions. [2021-11-21 05:37:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:37:25,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:25,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:25,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:25,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:25,530 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 05:37:25,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 227 states and 303 transitions. [2021-11-21 05:37:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 303 transitions. [2021-11-21 05:37:25,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:37:25,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:25,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:25,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:25,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:25,748 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 05:37:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 227 states and 301 transitions. [2021-11-21 05:37:25,768 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 301 transitions. [2021-11-21 05:37:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:37:25,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:25,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:25,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:25,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:26,172 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 05:37:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:26,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 261 states and 343 transitions. [2021-11-21 05:37:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 343 transitions. [2021-11-21 05:37:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:37:26,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:26,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:26,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:26,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:26,607 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 05:37:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 261 states and 341 transitions. [2021-11-21 05:37:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 341 transitions. [2021-11-21 05:37:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:37:26,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:26,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:26,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:26,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:26,865 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 05:37:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 264 states and 343 transitions. [2021-11-21 05:37:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 343 transitions. [2021-11-21 05:37:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:37:26,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:26,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:27,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:27,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:27,123 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 05:37:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 264 states and 341 transitions. [2021-11-21 05:37:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 341 transitions. [2021-11-21 05:37:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:37:27,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:27,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:27,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:27,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:27,464 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 05:37:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 267 states and 343 transitions. [2021-11-21 05:37:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 343 transitions. [2021-11-21 05:37:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:37:27,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:27,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:27,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:27,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:27,724 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 05:37:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 270 states and 345 transitions. [2021-11-21 05:37:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2021-11-21 05:37:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:37:27,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:27,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:27,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:27,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:28,046 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 05:37:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 273 states and 347 transitions. [2021-11-21 05:37:28,096 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 347 transitions. [2021-11-21 05:37:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:37:28,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:28,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:28,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:28,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:28,438 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 05:37:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 276 states and 349 transitions. [2021-11-21 05:37:28,463 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 349 transitions. [2021-11-21 05:37:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:37:28,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:28,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:28,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:28,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:28,769 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 05:37:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:28,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 279 states and 351 transitions. [2021-11-21 05:37:28,797 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 351 transitions. [2021-11-21 05:37:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:37:28,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:28,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:28,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:28,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:29,004 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 05:37:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 279 states and 350 transitions. [2021-11-21 05:37:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 350 transitions. [2021-11-21 05:37:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:37:29,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:29,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:29,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:29,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:29,302 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 05:37:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 288 states and 361 transitions. [2021-11-21 05:37:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 361 transitions. [2021-11-21 05:37:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:37:29,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:29,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:29,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:29,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:29,814 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 05:37:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 297 states and 371 transitions. [2021-11-21 05:37:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 371 transitions. [2021-11-21 05:37:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:37:29,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:29,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:29,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:29,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:30,124 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 05:37:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 306 states and 381 transitions. [2021-11-21 05:37:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 381 transitions. [2021-11-21 05:37:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:37:30,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:30,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:30,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:30,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:30,437 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 05:37:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 315 states and 392 transitions. [2021-11-21 05:37:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 392 transitions. [2021-11-21 05:37:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:37:30,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:30,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:30,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:30,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:30,955 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 05:37:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 324 states and 402 transitions. [2021-11-21 05:37:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 402 transitions. [2021-11-21 05:37:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:37:31,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:31,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:31,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:31,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:31,264 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 05:37:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 333 states and 412 transitions. [2021-11-21 05:37:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 412 transitions. [2021-11-21 05:37:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:37:31,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:31,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:31,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:31,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:31,740 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 05:37:31,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 342 states and 423 transitions. [2021-11-21 05:37:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 423 transitions. [2021-11-21 05:37:31,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:37:31,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:31,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:32,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:32,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:32,221 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 05:37:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 343 states and 425 transitions. [2021-11-21 05:37:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 425 transitions. [2021-11-21 05:37:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:37:33,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:33,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:33,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:33,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:33,316 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 05:37:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 356 states and 440 transitions. [2021-11-21 05:37:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 440 transitions. [2021-11-21 05:37:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:37:33,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:33,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:33,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:33,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:33,839 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 05:37:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 365 states and 450 transitions. [2021-11-21 05:37:33,887 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 450 transitions. [2021-11-21 05:37:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:37:33,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:33,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:34,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:34,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:34,186 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 05:37:34,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-21 05:37:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-21 05:37:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:37:34,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:34,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:34,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:37:34,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:37:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-21 05:37:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-21 05:37:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:37:34,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:34,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:35,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:37:35,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:37:35,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-21 05:37:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-21 05:37:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:37:35,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:35,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:35,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:37:35,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:35,922 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 05:37:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 370 states and 460 transitions. [2021-11-21 05:37:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 460 transitions. [2021-11-21 05:37:36,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 05:37:36,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:36,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:36,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:36,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:36,345 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 05:37:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-21 05:37:37,331 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-21 05:37:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:37:37,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:37,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:37,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-21 05:37:37,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:37:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-21 05:37:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-21 05:37:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:37:38,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:38,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:39,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 05:37:39,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 05:37:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-21 05:37:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-21 05:37:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:37:39,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:39,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:41,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 05:37:41,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:41,418 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 05:37:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 373 states and 465 transitions. [2021-11-21 05:37:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 465 transitions. [2021-11-21 05:37:41,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:37:41,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:41,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:41,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:37:41,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:41,975 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 05:37:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 373 states and 463 transitions. [2021-11-21 05:37:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 463 transitions. [2021-11-21 05:37:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:37:41,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:41,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:42,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:42,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:42,563 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 05:37:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 374 states and 465 transitions. [2021-11-21 05:37:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 465 transitions. [2021-11-21 05:37:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 05:37:43,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:43,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:43,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:43,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:44,127 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 05:37:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 377 states and 467 transitions. [2021-11-21 05:37:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 467 transitions. [2021-11-21 05:37:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 05:37:45,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:45,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:46,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 05:37:46,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-21 05:37:46,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 379 states and 470 transitions. [2021-11-21 05:37:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 470 transitions. [2021-11-21 05:37:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-21 05:37:46,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:46,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:46,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:37:46,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:47,029 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 05:37:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 382 states and 472 transitions. [2021-11-21 05:37:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 472 transitions. [2021-11-21 05:37:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 05:37:47,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:47,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:50,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 05:37:50,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-21 05:37:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 384 states and 475 transitions. [2021-11-21 05:37:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 475 transitions. [2021-11-21 05:37:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 05:37:51,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:51,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:51,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:37:51,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-21 05:37:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 387 states and 477 transitions. [2021-11-21 05:37:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 477 transitions. [2021-11-21 05:37:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 05:37:52,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:52,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:54,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 05:37:54,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 136 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-21 05:37:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 384 states and 473 transitions. [2021-11-21 05:37:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 473 transitions. [2021-11-21 05:37:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 05:37:56,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:56,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:57,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 05:37:57,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 83 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-21 05:37:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 386 states and 480 transitions. [2021-11-21 05:37:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 480 transitions. [2021-11-21 05:37:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 05:37:57,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:57,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:59,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 05:37:59,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:37:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 161 proven. 55 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-21 05:38:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:00,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 386 states and 480 transitions. [2021-11-21 05:38:00,109 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 480 transitions. [2021-11-21 05:38:00,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-21 05:38:00,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:00,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:02,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 05:38:02,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:38:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 116 proven. 15 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-21 05:38:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-21 05:38:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-21 05:38:03,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 05:38:03,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:03,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:09,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 05:38:09,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:38:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 214 proven. 78 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-21 05:38:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-21 05:38:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-21 05:38:11,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 05:38:11,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:11,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:13,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 05:38:13,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:38:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 214 proven. 78 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-21 05:38:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-21 05:38:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-21 05:38:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 05:38:13,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:13,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:16,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 05:38:16,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:38:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 155 proven. 21 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-21 05:38:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 390 states and 486 transitions. [2021-11-21 05:38:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 486 transitions. [2021-11-21 05:38:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 05:38:17,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:17,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:23,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 05:38:23,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:38:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 200 proven. 28 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-21 05:38:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 392 states and 489 transitions. [2021-11-21 05:38:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 489 transitions. [2021-11-21 05:38:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 05:38:26,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:26,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:30,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:38:30,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:38:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 251 proven. 36 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-11-21 05:38:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-21 05:38:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-21 05:38:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 05:38:34,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:34,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:38,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 05:38:38,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:38:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 421 proven. 171 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-21 05:38:41,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-21 05:38:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-21 05:38:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 05:38:41,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:41,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:43,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-21 05:38:43,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:38:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 421 proven. 171 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-21 05:38:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-21 05:38:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-21 05:38:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-21 05:38:44,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:44,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:38:54,921 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 05:38:54,925 INFO L158 Benchmark]: Toolchain (without parser) took 96375.24ms. Allocated memory was 123.7MB in the beginning and 255.9MB in the end (delta: 132.1MB). Free memory was 87.7MB in the beginning and 132.1MB in the end (delta: -44.4MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2021-11-21 05:38:54,925 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:38:54,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.80ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 73.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 05:38:54,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.08ms. Allocated memory is still 123.7MB. Free memory was 73.7MB in the beginning and 66.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:38:54,927 INFO L158 Benchmark]: Boogie Preprocessor took 144.75ms. Allocated memory is still 123.7MB. Free memory was 66.4MB in the beginning and 58.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:38:54,928 INFO L158 Benchmark]: RCFGBuilder took 2048.76ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 58.1MB in the beginning and 77.9MB in the end (delta: -19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-21 05:38:54,929 INFO L158 Benchmark]: CodeCheck took 93257.09ms. Allocated memory was 163.6MB in the beginning and 255.9MB in the end (delta: 92.3MB). Free memory was 77.9MB in the beginning and 132.1MB in the end (delta: -54.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-11-21 05:38:54,932 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 0.26ms. Allocated memory is still 90.2MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.80ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 73.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.08ms. Allocated memory is still 123.7MB. Free memory was 73.7MB in the beginning and 66.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.75ms. Allocated memory is still 123.7MB. Free memory was 66.4MB in the beginning and 58.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2048.76ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 58.1MB in the beginning and 77.9MB in the end (delta: -19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 93257.09ms. Allocated memory was 163.6MB in the beginning and 255.9MB in the end (delta: 92.3MB). Free memory was 77.9MB in the beginning and 132.1MB in the end (delta: -54.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:38:55,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50976f68-2b3e-42d0-96ab-4234ead52ab8/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_50976f68-2b3e-42d0-96ab-4234ead52ab8/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