./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.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_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/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_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/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_91245b94-fecf-48a0-8877-12f226cab447/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 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:31:16,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:31:16,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:31:16,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:31:16,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:31:16,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:31:16,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:31:16,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:31:16,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:31:16,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:31:16,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:31:16,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:31:16,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:31:16,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:31:16,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:31:16,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:31:16,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:31:16,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:31:16,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:31:16,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:31:16,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:31:16,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:31:16,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:31:16,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:31:16,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:31:16,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:31:16,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:31:16,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:31:16,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:31:16,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:31:16,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:31:16,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:31:16,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:31:16,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:31:16,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:31:16,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:31:16,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:31:16,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:31:16,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:31:16,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:31:16,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:31:16,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 06:31:16,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:31:16,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:31:16,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:31:16,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:31:16,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:31:16,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:31:16,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:31:16,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:31:16,149 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:31:16,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:31:16,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:31:16,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:31:16,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:31:16,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:31:16,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:31:16,151 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:31:16,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:31:16,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:31:16,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:31:16,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:31:16,152 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:31:16,152 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:31:16,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:31:16,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:31:16,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:31:16,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:31:16,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:31:16,153 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:31:16,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:31:16,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:31:16,154 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_91245b94-fecf-48a0-8877-12f226cab447/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2021-11-21 06:31:16,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:31:16,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:31:16,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:31:16,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:31:16,416 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:31:16,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2021-11-21 06:31:16,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/data/5169f9221/4879e65ee5c9499f9375d9b3e850f00d/FLAG873c9bfb1 [2021-11-21 06:31:17,162 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:31:17,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2021-11-21 06:31:17,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/data/5169f9221/4879e65ee5c9499f9375d9b3e850f00d/FLAG873c9bfb1 [2021-11-21 06:31:17,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/data/5169f9221/4879e65ee5c9499f9375d9b3e850f00d [2021-11-21 06:31:17,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:31:17,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:31:17,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:31:17,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:31:17,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:31:17,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:17" (1/1) ... [2021-11-21 06:31:17,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1689b751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:17, skipping insertion in model container [2021-11-21 06:31:17,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:17" (1/1) ... [2021-11-21 06:31:17,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:31:17,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:31:18,095 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_91245b94-fecf-48a0-8877-12f226cab447/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2021-11-21 06:31:18,252 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_91245b94-fecf-48a0-8877-12f226cab447/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2021-11-21 06:31:18,253 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_91245b94-fecf-48a0-8877-12f226cab447/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2021-11-21 06:31:18,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:31:18,293 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:31:18,354 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_91245b94-fecf-48a0-8877-12f226cab447/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2021-11-21 06:31:18,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2021-11-21 06:31:18,423 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_91245b94-fecf-48a0-8877-12f226cab447/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2021-11-21 06:31:18,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:31:18,478 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:31:18,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18 WrapperNode [2021-11-21 06:31:18,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:31:18,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:31:18,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:31:18,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:31:18,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,611 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-21 06:31:18,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:31:18,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:31:18,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:31:18,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:31:18,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:31:18,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:31:18,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:31:18,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:31:18,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:18" (1/1) ... [2021-11-21 06:31:18,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:31:18,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:31:18,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:31:18,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:31:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:31:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:31:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 06:31:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 06:31:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:31:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:31:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:31:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:31:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 06:31:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:31:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:31:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:31:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:31:18,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:31:19,220 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:31:19,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:31:20,297 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:31:20,765 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:31:20,766 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 06:31:20,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:20 BoogieIcfgContainer [2021-11-21 06:31:20,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:31:20,771 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:31:20,771 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:31:20,781 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:31:20,781 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:20" (1/1) ... [2021-11-21 06:31:20,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:31:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 222 transitions. [2021-11-21 06:31:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2021-11-21 06:31:20,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:31:20,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:20,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:21,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 06:31:21,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:21,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 06:31:21,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 06:31:21,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2021-11-21 06:31:21,233 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 06:31:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:21,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 133 states and 227 transitions. [2021-11-21 06:31:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2021-11-21 06:31:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:31:21,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:21,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:21,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 06:31:21,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:21,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 06:31:21,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 06:31:21,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2021-11-21 06:31:21,443 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 06:31:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 228 transitions. [2021-11-21 06:31:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 228 transitions. [2021-11-21 06:31:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:31:21,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:21,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:21,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:31:21,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:21,545 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 06:31:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 226 transitions. [2021-11-21 06:31:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2021-11-21 06:31:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:31:21,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:21,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:21,627 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 06:31:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 221 transitions. [2021-11-21 06:31:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2021-11-21 06:31:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:31:21,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:21,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:21,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:31:21,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:21,830 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 06:31:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2021-11-21 06:31:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2021-11-21 06:31:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:31:21,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:21,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:21,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:31:21,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:21,973 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 06:31:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2021-11-21 06:31:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2021-11-21 06:31:21,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:31:21,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:21,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:22,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:31:22,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:22,128 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 06:31:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2021-11-21 06:31:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2021-11-21 06:31:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:31:22,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:22,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:22,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:31:22,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:22,408 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 06:31:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 148 states and 220 transitions. [2021-11-21 06:31:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2021-11-21 06:31:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:31:22,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:22,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:22,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:31:22,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:22,900 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 06:31:22,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 148 states and 218 transitions. [2021-11-21 06:31:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2021-11-21 06:31:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:31:22,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:22,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:23,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:31:23,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:23,068 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 06:31:23,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 148 states and 216 transitions. [2021-11-21 06:31:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2021-11-21 06:31:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:31:23,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:23,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:23,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:31:23,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:23,283 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 06:31:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2021-11-21 06:31:23,299 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2021-11-21 06:31:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:31:23,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:23,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:23,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:31:23,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:31:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 06:31:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 06:31:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:31:23,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:23,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:24,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:31:24,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:31:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 06:31:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 06:31:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:31:24,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:24,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:25,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:31:25,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:31:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 06:31:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 06:31:25,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:31:25,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:25,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:25,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:31:25,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:31:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-21 06:31:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-21 06:31:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:31:25,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:25,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:26,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 06:31:26,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:31:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-21 06:31:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-21 06:31:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:31:26,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:26,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:27,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 06:31:27,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:31:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2021-11-21 06:31:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2021-11-21 06:31:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:31:27,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:27,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:27,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:31:27,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:31:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 236 transitions. [2021-11-21 06:31:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2021-11-21 06:31:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:31:28,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:28,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:28,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 06:31:28,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:31:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 06:31:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 06:31:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:31:30,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:30,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:31,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:31:31,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 06:31:31,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 06:31:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 06:31:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:31:31,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:31,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:31,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:31:31,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 06:31:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 06:31:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 06:31:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:31:31,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:31,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:32,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 06:31:32,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:31:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 158 states and 236 transitions. [2021-11-21 06:31:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 236 transitions. [2021-11-21 06:31:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:31:32,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:32,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:32,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 06:31:33,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:31:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-21 06:31:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-21 06:31:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:31:34,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:34,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:34,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:31:34,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 06:31:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-21 06:31:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-21 06:31:36,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:31:36,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:36,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:36,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 06:31:36,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 06:31:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 06:31:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 06:31:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:31:38,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:38,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:39,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:31:39,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:31:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 06:31:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 06:31:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:31:40,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:40,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:41,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:31:41,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:31:42,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 06:31:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 06:31:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:31:42,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:42,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:42,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 06:31:42,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 06:31:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 248 transitions. [2021-11-21 06:31:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 248 transitions. [2021-11-21 06:31:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:31:44,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:44,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:46,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 06:31:46,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 06:31:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 260 transitions. [2021-11-21 06:31:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 260 transitions. [2021-11-21 06:31:49,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:31:49,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:49,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:50,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 06:31:50,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 06:31:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2021-11-21 06:31:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2021-11-21 06:31:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:31:53,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:53,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:54,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 06:31:54,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 06:31:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:56,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 170 states and 275 transitions. [2021-11-21 06:31:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-11-21 06:31:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:31:56,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:56,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:58,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 06:31:58,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 06:32:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 06:32:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 06:32:02,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:32:02,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:02,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:03,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:32:03,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 06:32:07,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 06:32:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 06:32:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:32:07,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:07,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:09,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:32:09,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 06:32:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 06:32:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 06:32:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:32:09,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:09,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:13,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 06:32:13,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 06:32:15,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 06:32:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 06:32:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:32:15,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:15,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:18,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 06:32:18,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 43 proven. 322 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:32:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 06:32:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 06:32:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:32:22,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:22,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:24,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 06:32:24,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 197 proven. 91 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 06:32:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 06:32:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 06:32:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:32:27,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:27,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:29,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:32:29,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 06:32:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:33,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 296 transitions. [2021-11-21 06:32:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 296 transitions. [2021-11-21 06:32:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 06:32:33,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:33,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:37,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 06:32:37,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 227 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-21 06:32:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 178 states and 299 transitions. [2021-11-21 06:32:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 299 transitions. [2021-11-21 06:32:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 06:32:43,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:43,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:45,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:32:45,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:32:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 258 proven. 120 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-21 06:32:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:32:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 180 states and 293 transitions. [2021-11-21 06:32:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 293 transitions. [2021-11-21 06:32:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 06:32:56,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:32:56,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:32:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:32:59,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-21 06:32:59,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:33:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 291 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-21 06:33:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:33:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 313 transitions. [2021-11-21 06:33:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 313 transitions. [2021-11-21 06:33:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 06:33:08,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:33:08,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:33:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 06:33:19,118 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 06:33:19,122 INFO L158 Benchmark]: Toolchain (without parser) took 121632.27ms. Allocated memory was 102.8MB in the beginning and 228.6MB in the end (delta: 125.8MB). Free memory was 71.5MB in the beginning and 104.9MB in the end (delta: -33.4MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2021-11-21 06:33:19,123 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 60.7MB in the beginning and 60.5MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:33:19,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 988.68ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 52.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-21 06:33:19,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.24ms. Allocated memory is still 102.8MB. Free memory was 52.5MB in the beginning and 45.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 06:33:19,125 INFO L158 Benchmark]: Boogie Preprocessor took 169.77ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 45.1MB in the beginning and 102.5MB in the end (delta: -57.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-21 06:33:19,126 INFO L158 Benchmark]: RCFGBuilder took 1986.65ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 102.5MB in the beginning and 132.7MB in the end (delta: -30.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2021-11-21 06:33:19,127 INFO L158 Benchmark]: CodeCheck took 118350.17ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 132.7MB in the beginning and 104.9MB in the end (delta: 27.8MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2021-11-21 06:33:19,131 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 0.27ms. Allocated memory is still 102.8MB. Free memory was 60.7MB in the beginning and 60.5MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 988.68ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 52.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.24ms. Allocated memory is still 102.8MB. Free memory was 52.5MB in the beginning and 45.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.77ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 45.1MB in the beginning and 102.5MB in the end (delta: -57.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1986.65ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 102.5MB in the beginning and 132.7MB in the end (delta: -30.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * CodeCheck took 118350.17ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 132.7MB in the beginning and 104.9MB in the end (delta: 27.8MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:33:19,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91245b94-fecf-48a0-8877-12f226cab447/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_91245b94-fecf-48a0-8877-12f226cab447/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