./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:46:37,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:46:37,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:46:37,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:46:37,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:46:37,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:46:37,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:46:37,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:46:37,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:46:37,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:46:37,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:46:37,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:46:37,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:46:37,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:46:37,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:46:37,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:46:37,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:46:37,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:46:37,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:46:37,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:46:37,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:46:37,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:46:37,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:46:37,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:46:37,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:46:37,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:46:37,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:46:37,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:46:37,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:46:37,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:46:37,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:46:37,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:46:37,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:46:37,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:46:37,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:46:37,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:46:37,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:46:37,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:46:37,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:46:37,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:46:37,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:46:37,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:46:37,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:46:37,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:46:37,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:46:37,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:46:37,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:46:37,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:46:37,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:46:37,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:46:37,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:46:37,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:46:37,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:46:37,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:46:37,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:46:37,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:46:37,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:46:37,924 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:46:37,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:46:37,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:46:37,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:46:37,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:46:37,925 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:46:37,925 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:46:37,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:46:37,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:46:37,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:46:37,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:46:37,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:46:37,927 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:46:37,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:46:37,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:46:37,929 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_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2021-11-25 06:46:38,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:46:38,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:46:38,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:46:38,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:46:38,274 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:46:38,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2021-11-25 06:46:38,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/data/2347bfae8/f231efc1055349d8b3f525b500fc26ff/FLAG4ff55bd82 [2021-11-25 06:46:39,105 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:46:39,106 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2021-11-25 06:46:39,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/data/2347bfae8/f231efc1055349d8b3f525b500fc26ff/FLAG4ff55bd82 [2021-11-25 06:46:39,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/data/2347bfae8/f231efc1055349d8b3f525b500fc26ff [2021-11-25 06:46:39,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:46:39,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:46:39,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:46:39,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:46:39,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:46:39,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:46:39" (1/1) ... [2021-11-25 06:46:39,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e54fb51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:39, skipping insertion in model container [2021-11-25 06:46:39,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:46:39" (1/1) ... [2021-11-25 06:46:39,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:46:39,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:46:39,824 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_df09667e-186a-433d-955a-a76bbb58c829/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2021-11-25 06:46:39,981 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_df09667e-186a-433d-955a-a76bbb58c829/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2021-11-25 06:46:39,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:46:40,008 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:46:40,045 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_df09667e-186a-433d-955a-a76bbb58c829/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2021-11-25 06:46:40,143 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_df09667e-186a-433d-955a-a76bbb58c829/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2021-11-25 06:46:40,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:46:40,193 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:46:40,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40 WrapperNode [2021-11-25 06:46:40,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:46:40,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:46:40,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:46:40,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:46:40,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,357 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2021-11-25 06:46:40,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:46:40,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:46:40,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:46:40,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:46:40,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:46:40,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:46:40,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:46:40,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:46:40,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:46:40" (1/1) ... [2021-11-25 06:46:40,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:46:40,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:46:40,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:46:40,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:46:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:46:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 06:46:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 06:46:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:46:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 06:46:40,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 06:46:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:46:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:46:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:46:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:46:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 06:46:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:46:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:46:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:46:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:46:40,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:46:40,933 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:46:40,934 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:46:42,298 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:46:42,778 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:46:42,778 INFO L301 CfgBuilder]: Removed 83 assume(true) statements. [2021-11-25 06:46:42,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:46:42 BoogieIcfgContainer [2021-11-25 06:46:42,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:46:42,782 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:46:42,782 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:46:42,793 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:46:42,794 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:46:42" (1/1) ... [2021-11-25 06:46:42,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:46:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:42,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 164 states and 279 transitions. [2021-11-25 06:46:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 279 transitions. [2021-11-25 06:46:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:46:42,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:42,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:43,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:46:43,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:43,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 166 states and 282 transitions. [2021-11-25 06:46:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 282 transitions. [2021-11-25 06:46:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:46:43,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:43,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:43,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:43,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:43,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 165 states and 281 transitions. [2021-11-25 06:46:43,281 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 281 transitions. [2021-11-25 06:46:43,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:46:43,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:43,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:43,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:43,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 165 states and 277 transitions. [2021-11-25 06:46:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2021-11-25 06:46:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:46:43,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:43,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:43,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:43,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:43,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 165 states and 269 transitions. [2021-11-25 06:46:43,574 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 269 transitions. [2021-11-25 06:46:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:46:43,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:43,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:43,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:43,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 257 transitions. [2021-11-25 06:46:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2021-11-25 06:46:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:46:43,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:43,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:44,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 2754 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:44,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 165 states and 245 transitions. [2021-11-25 06:46:45,017 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 245 transitions. [2021-11-25 06:46:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:46:45,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:45,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:46,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:46:46,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 210 states and 301 transitions. [2021-11-25 06:46:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 301 transitions. [2021-11-25 06:46:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:46:46,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:46,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:47,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:47,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 210 states and 299 transitions. [2021-11-25 06:46:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 299 transitions. [2021-11-25 06:46:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:46:47,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:47,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:48,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:48,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 210 states and 297 transitions. [2021-11-25 06:46:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2021-11-25 06:46:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 06:46:48,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:48,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:49,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:46:49,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:49,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 256 states and 355 transitions. [2021-11-25 06:46:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 355 transitions. [2021-11-25 06:46:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:46:49,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:49,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:50,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1838 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:50,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 256 states and 353 transitions. [2021-11-25 06:46:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 353 transitions. [2021-11-25 06:46:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:46:50,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:50,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:51,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1838 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:51,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 256 states and 351 transitions. [2021-11-25 06:46:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 351 transitions. [2021-11-25 06:46:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:46:51,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:51,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:52,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 3042 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:52,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 256 states and 349 transitions. [2021-11-25 06:46:52,380 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 349 transitions. [2021-11-25 06:46:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:46:52,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:52,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:53,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 3058 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:46:53,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 290 states and 391 transitions. [2021-11-25 06:46:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 391 transitions. [2021-11-25 06:46:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:46:53,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:53,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:54,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 3042 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:54,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:54,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 290 states and 389 transitions. [2021-11-25 06:46:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 389 transitions. [2021-11-25 06:46:54,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:46:54,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:54,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:55,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 3043 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:46:55,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:46:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 293 states and 391 transitions. [2021-11-25 06:46:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 391 transitions. [2021-11-25 06:46:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:46:55,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:55,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:56,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 3071 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:46:56,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:46:57,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:57,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 293 states and 389 transitions. [2021-11-25 06:46:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 389 transitions. [2021-11-25 06:46:57,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:46:57,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:57,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:57,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 3043 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:46:57,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:46:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 296 states and 391 transitions. [2021-11-25 06:46:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 391 transitions. [2021-11-25 06:46:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:46:58,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:58,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:58,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:46:58,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:59,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:46:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 299 states and 393 transitions. [2021-11-25 06:46:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 393 transitions. [2021-11-25 06:46:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:46:59,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:59,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:59,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:46:59,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:47:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:00,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 302 states and 395 transitions. [2021-11-25 06:47:00,348 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2021-11-25 06:47:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:47:00,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:00,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:01,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 3073 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:47:01,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:47:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 305 states and 397 transitions. [2021-11-25 06:47:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 397 transitions. [2021-11-25 06:47:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:47:01,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:01,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:02,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 3073 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:47:02,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:47:02,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 308 states and 399 transitions. [2021-11-25 06:47:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 399 transitions. [2021-11-25 06:47:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:47:02,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:02,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:03,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 3283 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:47:03,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:47:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 308 states and 398 transitions. [2021-11-25 06:47:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 398 transitions. [2021-11-25 06:47:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 06:47:03,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:03,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:04,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 3289 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:04,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:47:05,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 317 states and 409 transitions. [2021-11-25 06:47:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 409 transitions. [2021-11-25 06:47:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:47:05,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:05,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:05,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 2165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:05,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:47:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 326 states and 419 transitions. [2021-11-25 06:47:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 419 transitions. [2021-11-25 06:47:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:47:06,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:06,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:06,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 2165 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:06,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:47:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:06,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 335 states and 429 transitions. [2021-11-25 06:47:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 429 transitions. [2021-11-25 06:47:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:47:06,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:06,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:08,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 3290 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:08,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:47:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 344 states and 440 transitions. [2021-11-25 06:47:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 440 transitions. [2021-11-25 06:47:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 06:47:08,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:08,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:09,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 2166 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:09,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:47:09,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:09,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 353 states and 450 transitions. [2021-11-25 06:47:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-25 06:47:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 06:47:09,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:09,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:09,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 2166 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:09,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:47:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 362 states and 460 transitions. [2021-11-25 06:47:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 460 transitions. [2021-11-25 06:47:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:47:10,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:10,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:11,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 3319 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:47:11,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:47:11,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 371 states and 471 transitions. [2021-11-25 06:47:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 471 transitions. [2021-11-25 06:47:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:47:11,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:11,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:12,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 3306 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:12,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:47:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:12,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 372 states and 473 transitions. [2021-11-25 06:47:12,990 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 473 transitions. [2021-11-25 06:47:12,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:47:12,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:12,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:13,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:47:13,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:47:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:14,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 385 states and 488 transitions. [2021-11-25 06:47:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 488 transitions. [2021-11-25 06:47:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:47:14,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:14,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:14,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:47:14,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:47:15,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 394 states and 498 transitions. [2021-11-25 06:47:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 498 transitions. [2021-11-25 06:47:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 06:47:15,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:15,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:15,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 2210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:47:15,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:47:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 397 states and 500 transitions. [2021-11-25 06:47:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 500 transitions. [2021-11-25 06:47:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 06:47:15,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:15,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:17,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:47:17,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:47:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 397 states and 500 transitions. [2021-11-25 06:47:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 500 transitions. [2021-11-25 06:47:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 06:47:17,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:17,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:18,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:47:18,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 06:47:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 399 states and 508 transitions. [2021-11-25 06:47:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 508 transitions. [2021-11-25 06:47:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-25 06:47:18,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:18,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:19,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 2474 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:19,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 06:47:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 400 states and 510 transitions. [2021-11-25 06:47:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 510 transitions. [2021-11-25 06:47:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 06:47:20,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:20,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:22,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 06:47:22,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 06:47:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 400 states and 510 transitions. [2021-11-25 06:47:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 510 transitions. [2021-11-25 06:47:23,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 06:47:23,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:23,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:26,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:47:26,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 06:47:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 402 states and 514 transitions. [2021-11-25 06:47:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 514 transitions. [2021-11-25 06:47:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 06:47:26,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:26,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:27,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 2533 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:47:27,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-25 06:47:29,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 06:47:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 403 states and 516 transitions. [2021-11-25 06:47:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 516 transitions. [2021-11-25 06:47:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 06:47:29,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:29,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:30,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 2750 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:47:30,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-25 06:47:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 403 states and 514 transitions. [2021-11-25 06:47:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 514 transitions. [2021-11-25 06:47:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 06:47:30,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:30,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:31,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 2751 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 06:47:31,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-25 06:47:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 406 states and 516 transitions. [2021-11-25 06:47:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 516 transitions. [2021-11-25 06:47:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 06:47:33,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:33,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-25 06:47:43,725 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-25 06:47:43,728 INFO L158 Benchmark]: Toolchain (without parser) took 64437.70ms. Allocated memory was 119.5MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 73.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 604.9MB. Max. memory is 16.1GB. [2021-11-25 06:47:43,728 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:47:43,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.88ms. Allocated memory is still 119.5MB. Free memory was 73.6MB in the beginning and 63.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 06:47:43,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.94ms. Allocated memory is still 119.5MB. Free memory was 63.9MB in the beginning and 55.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:47:43,730 INFO L158 Benchmark]: Boogie Preprocessor took 166.34ms. Allocated memory is still 119.5MB. Free memory was 55.1MB in the beginning and 46.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:47:43,733 INFO L158 Benchmark]: RCFGBuilder took 2254.80ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 85.2MB in the end (delta: -39.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-11-25 06:47:43,734 INFO L158 Benchmark]: CodeCheck took 60945.02ms. Allocated memory was 157.3MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 85.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 577.7MB. Max. memory is 16.1GB. [2021-11-25 06:47:43,737 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 0.31ms. Allocated memory is still 119.5MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.88ms. Allocated memory is still 119.5MB. Free memory was 73.6MB in the beginning and 63.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 162.94ms. Allocated memory is still 119.5MB. Free memory was 63.9MB in the beginning and 55.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.34ms. Allocated memory is still 119.5MB. Free memory was 55.1MB in the beginning and 46.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2254.80ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 85.2MB in the end (delta: -39.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * CodeCheck took 60945.02ms. Allocated memory was 157.3MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 85.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 577.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:47:43,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df09667e-186a-433d-955a-a76bbb58c829/bin/ukojak-d1pc8ZmBRL/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown