./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ --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 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:56:23,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:56:23,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:56:23,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:56:23,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:56:23,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:56:23,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:56:23,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:56:23,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:56:23,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:56:23,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:56:23,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:56:23,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:56:23,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:56:23,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:56:23,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:56:23,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:56:23,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:56:23,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:56:23,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:56:23,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:56:23,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:56:23,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:56:23,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:56:23,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:56:23,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:56:23,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:56:23,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:56:23,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:56:23,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:56:23,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:56:23,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:56:23,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:56:23,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:56:23,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:56:23,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:56:23,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:56:23,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:56:23,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:56:23,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:56:23,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:56:23,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 00:56:23,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:56:23,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:56:23,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:56:23,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:56:23,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:56:23,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:56:23,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:56:23,618 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:56:23,618 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:56:23,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:56:23,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:56:23,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:56:23,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:56:23,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:56:23,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:56:23,621 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:56:23,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:56:23,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:56:23,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:56:23,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:56:23,623 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:56:23,623 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:56:23,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:56:23,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:23,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:56:23,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:56:23,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:56:23,624 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:56:23,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:56:23,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:56:23,625 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_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08dbe1d8baf218c90d79c7aa96b8d857526ff0e474f0acb076b8cd9ca4d11ff2 [2021-11-23 00:56:23,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:56:23,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:56:23,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:56:23,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:56:23,902 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:56:23,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2021-11-23 00:56:23,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/data/41dfe3092/952d954757094d35b97ad97ae94c8e98/FLAG3afbb2370 [2021-11-23 00:56:24,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:56:24,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i [2021-11-23 00:56:24,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/data/41dfe3092/952d954757094d35b97ad97ae94c8e98/FLAG3afbb2370 [2021-11-23 00:56:24,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/data/41dfe3092/952d954757094d35b97ad97ae94c8e98 [2021-11-23 00:56:24,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:56:24,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:56:24,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:24,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:56:24,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:56:24,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:24" (1/1) ... [2021-11-23 00:56:24,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1121000a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:24, skipping insertion in model container [2021-11-23 00:56:24,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:24" (1/1) ... [2021-11-23 00:56:24,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:56:24,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:56:25,407 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_f89544b8-18cb-41e2-8e30-7668777b2b88/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2021-11-23 00:56:25,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:25,556 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:56:25,584 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_f89544b8-18cb-41e2-8e30-7668777b2b88/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-1.i[33021,33034] [2021-11-23 00:56:25,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:56:25,737 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:56:25,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25 WrapperNode [2021-11-23 00:56:25,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:56:25,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:25,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:56:25,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:56:25,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:25,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:25,944 INFO L137 Inliner]: procedures = 177, calls = 349, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1159 [2021-11-23 00:56:25,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:56:25,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:56:25,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:56:25,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:56:25,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:25,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:25,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:25,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:26,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:26,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:26,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:26,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:56:26,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:56:26,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:56:26,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:56:26,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:25" (1/1) ... [2021-11-23 00:56:26,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:56:26,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:56:26,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:56:26,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:56:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:56:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:56:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:56:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:56:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 00:56:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 00:56:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:56:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:56:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:56:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:56:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:56:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:56:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:56:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:56:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:56:26,486 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:56:26,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:56:27,832 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:56:28,335 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:56:28,335 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-23 00:56:28,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:28 BoogieIcfgContainer [2021-11-23 00:56:28,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:56:28,341 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:56:28,341 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:56:28,351 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:56:28,352 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:28" (1/1) ... [2021-11-23 00:56:28,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:56:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 135 states and 231 transitions. [2021-11-23 00:56:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 231 transitions. [2021-11-23 00:56:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:56:28,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:28,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2021-11-23 00:56:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2021-11-23 00:56:28,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:56:28,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:28,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2021-11-23 00:56:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2021-11-23 00:56:28,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:56:28,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:28,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 136 states and 229 transitions. [2021-11-23 00:56:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 229 transitions. [2021-11-23 00:56:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:56:28,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:28,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2021-11-23 00:56:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2021-11-23 00:56:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:56:28,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:29,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:29,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 136 states and 209 transitions. [2021-11-23 00:56:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 209 transitions. [2021-11-23 00:56:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:56:29,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:29,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:29,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:29,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:29,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2021-11-23 00:56:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2021-11-23 00:56:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:56:29,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:29,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:29,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:29,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 181 states and 253 transitions. [2021-11-23 00:56:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2021-11-23 00:56:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:56:30,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:30,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:30,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:30,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 181 states and 251 transitions. [2021-11-23 00:56:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2021-11-23 00:56:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:56:30,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:30,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:30,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:30,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:30,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:30,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 181 states and 249 transitions. [2021-11-23 00:56:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2021-11-23 00:56:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:56:30,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:30,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:30,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:30,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 227 states and 307 transitions. [2021-11-23 00:56:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 307 transitions. [2021-11-23 00:56:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:56:31,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:31,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:31,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:31,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:31,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 227 states and 305 transitions. [2021-11-23 00:56:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 305 transitions. [2021-11-23 00:56:31,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:56:31,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:31,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:31,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:31,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 227 states and 303 transitions. [2021-11-23 00:56:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 303 transitions. [2021-11-23 00:56:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:56:31,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:31,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:32,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:32,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:32,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 227 states and 301 transitions. [2021-11-23 00:56:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 301 transitions. [2021-11-23 00:56:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:56:32,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:32,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:32,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:32,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 261 states and 343 transitions. [2021-11-23 00:56:32,895 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 343 transitions. [2021-11-23 00:56:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:56:32,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:32,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:33,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:33,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 261 states and 341 transitions. [2021-11-23 00:56:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 341 transitions. [2021-11-23 00:56:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:56:33,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:33,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:33,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:33,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 264 states and 343 transitions. [2021-11-23 00:56:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 343 transitions. [2021-11-23 00:56:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:56:33,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:33,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:33,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:33,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 264 states and 341 transitions. [2021-11-23 00:56:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 341 transitions. [2021-11-23 00:56:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:56:33,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:33,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:33,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:33,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 267 states and 343 transitions. [2021-11-23 00:56:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 343 transitions. [2021-11-23 00:56:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:56:33,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:33,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:33,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:33,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 270 states and 345 transitions. [2021-11-23 00:56:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2021-11-23 00:56:34,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:56:34,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:34,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:34,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:34,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 273 states and 347 transitions. [2021-11-23 00:56:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 347 transitions. [2021-11-23 00:56:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:56:34,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:34,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:34,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:34,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:34,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 276 states and 349 transitions. [2021-11-23 00:56:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 349 transitions. [2021-11-23 00:56:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:56:34,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:34,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:34,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:34,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:56:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:35,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 279 states and 351 transitions. [2021-11-23 00:56:35,152 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 351 transitions. [2021-11-23 00:56:35,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:56:35,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:35,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:35,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:35,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:35,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 279 states and 350 transitions. [2021-11-23 00:56:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 350 transitions. [2021-11-23 00:56:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:56:35,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:35,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:35,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:35,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 288 states and 361 transitions. [2021-11-23 00:56:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 361 transitions. [2021-11-23 00:56:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:56:35,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:35,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:36,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:36,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:36,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:36,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 297 states and 371 transitions. [2021-11-23 00:56:36,243 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 371 transitions. [2021-11-23 00:56:36,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:56:36,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:36,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:36,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:36,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:36,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:36,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 306 states and 381 transitions. [2021-11-23 00:56:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 381 transitions. [2021-11-23 00:56:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:56:36,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:36,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:36,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:36,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 315 states and 392 transitions. [2021-11-23 00:56:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 392 transitions. [2021-11-23 00:56:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:56:37,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:37,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:37,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:37,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 324 states and 402 transitions. [2021-11-23 00:56:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 402 transitions. [2021-11-23 00:56:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:56:37,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:37,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:37,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:37,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 333 states and 412 transitions. [2021-11-23 00:56:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 412 transitions. [2021-11-23 00:56:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:37,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:37,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:37,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:37,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:38,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:38,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 342 states and 423 transitions. [2021-11-23 00:56:38,212 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 423 transitions. [2021-11-23 00:56:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:38,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:38,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:38,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:39,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:39,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 343 states and 425 transitions. [2021-11-23 00:56:39,262 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 425 transitions. [2021-11-23 00:56:39,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:56:39,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:39,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:39,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:39,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 356 states and 440 transitions. [2021-11-23 00:56:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 440 transitions. [2021-11-23 00:56:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:56:39,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:39,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:39,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:39,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 365 states and 450 transitions. [2021-11-23 00:56:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 450 transitions. [2021-11-23 00:56:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:56:40,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:40,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:40,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:40,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:40,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:40,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-23 00:56:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-23 00:56:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:56:40,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:40,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:40,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:56:40,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-23 00:56:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-23 00:56:41,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:56:41,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:41,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:41,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:56:41,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:41,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 368 states and 452 transitions. [2021-11-23 00:56:41,586 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2021-11-23 00:56:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:56:41,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:41,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:41,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:56:41,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:56:42,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 370 states and 460 transitions. [2021-11-23 00:56:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 460 transitions. [2021-11-23 00:56:42,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:56:42,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:42,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:42,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:42,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:56:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-23 00:56:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-23 00:56:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:56:43,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:43,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:44,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:56:44,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:56:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-23 00:56:44,570 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-23 00:56:44,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:56:44,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:44,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:56:46,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:46,241 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:56:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 371 states and 462 transitions. [2021-11-23 00:56:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2021-11-23 00:56:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:56:46,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:47,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 00:56:47,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:56:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 373 states and 465 transitions. [2021-11-23 00:56:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 465 transitions. [2021-11-23 00:56:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:56:48,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:48,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:48,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:56:48,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:48,410 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:56:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:48,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 373 states and 463 transitions. [2021-11-23 00:56:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 463 transitions. [2021-11-23 00:56:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:56:48,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:48,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:48,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:48,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:56:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 374 states and 465 transitions. [2021-11-23 00:56:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 465 transitions. [2021-11-23 00:56:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:56:50,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:50,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:50,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:50,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 00:56:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 377 states and 467 transitions. [2021-11-23 00:56:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 467 transitions. [2021-11-23 00:56:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:56:51,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:51,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:52,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:56:52,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:56:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 379 states and 470 transitions. [2021-11-23 00:56:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 470 transitions. [2021-11-23 00:56:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:56:53,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:53,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:53,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:56:53,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:56:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 382 states and 472 transitions. [2021-11-23 00:56:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 472 transitions. [2021-11-23 00:56:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:56:54,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:54,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:57,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:56:57,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 00:56:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 384 states and 475 transitions. [2021-11-23 00:56:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 475 transitions. [2021-11-23 00:56:58,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:56:58,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:58,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:58,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:56:58,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:59,087 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 00:56:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 387 states and 477 transitions. [2021-11-23 00:56:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 477 transitions. [2021-11-23 00:56:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:56:59,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:59,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:01,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:57:01,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 136 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-11-23 00:57:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:03,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 384 states and 473 transitions. [2021-11-23 00:57:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 473 transitions. [2021-11-23 00:57:03,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:57:03,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:03,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:04,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:57:04,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:04,832 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 83 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-23 00:57:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 386 states and 480 transitions. [2021-11-23 00:57:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 480 transitions. [2021-11-23 00:57:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:57:05,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:06,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:57:06,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 161 proven. 55 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-23 00:57:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 386 states and 480 transitions. [2021-11-23 00:57:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 480 transitions. [2021-11-23 00:57:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:57:07,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:07,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:10,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:57:10,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 116 proven. 15 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-23 00:57:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-23 00:57:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-23 00:57:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:57:10,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:10,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:17,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:57:17,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 214 proven. 78 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 00:57:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-23 00:57:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-23 00:57:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:57:19,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:19,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:21,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:57:21,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 214 proven. 78 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 00:57:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 388 states and 483 transitions. [2021-11-23 00:57:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 483 transitions. [2021-11-23 00:57:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:57:21,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:21,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:24,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:57:24,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:24,470 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 155 proven. 21 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-23 00:57:25,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 390 states and 486 transitions. [2021-11-23 00:57:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 486 transitions. [2021-11-23 00:57:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:57:25,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:31,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:57:31,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 200 proven. 28 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-23 00:57:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 392 states and 489 transitions. [2021-11-23 00:57:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 489 transitions. [2021-11-23 00:57:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:57:34,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:34,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:38,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:57:38,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 251 proven. 36 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-11-23 00:57:42,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-23 00:57:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-23 00:57:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:57:42,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:42,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:47,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 00:57:47,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 421 proven. 171 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-23 00:57:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-23 00:57:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-23 00:57:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:57:50,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:50,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:52,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 00:57:52,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 421 proven. 171 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-23 00:57:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 394 states and 497 transitions. [2021-11-23 00:57:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2021-11-23 00:57:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:57:53,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:53,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 00:58:04,023 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) [2021-11-23 00:58:04,027 INFO L158 Benchmark]: Toolchain (without parser) took 99154.73ms. Allocated memory was 98.6MB in the beginning and 270.5MB in the end (delta: 172.0MB). Free memory was 63.2MB in the beginning and 191.7MB in the end (delta: -128.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2021-11-23 00:58:04,027 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:58:04,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.68ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 48.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:58:04,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.25ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 48.4MB in the beginning and 98.0MB in the end (delta: -49.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 00:58:04,029 INFO L158 Benchmark]: Boogie Preprocessor took 141.94ms. Allocated memory is still 127.9MB. Free memory was 98.0MB in the beginning and 89.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:58:04,030 INFO L158 Benchmark]: RCFGBuilder took 2251.35ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 89.6MB in the beginning and 118.4MB in the end (delta: -28.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2021-11-23 00:58:04,031 INFO L158 Benchmark]: CodeCheck took 95685.18ms. Allocated memory was 172.0MB in the beginning and 270.5MB in the end (delta: 98.6MB). Free memory was 118.4MB in the beginning and 191.7MB in the end (delta: -73.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-23 00:58:04,034 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 0.16ms. Allocated memory is still 98.6MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.68ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 48.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.25ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 48.4MB in the beginning and 98.0MB in the end (delta: -49.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 141.94ms. Allocated memory is still 127.9MB. Free memory was 98.0MB in the beginning and 89.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2251.35ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 89.6MB in the beginning and 118.4MB in the end (delta: -28.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * CodeCheck took 95685.18ms. Allocated memory was 172.0MB in the beginning and 270.5MB in the end (delta: 98.6MB). Free memory was 118.4MB in the beginning and 191.7MB in the end (delta: -73.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:58:04,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_f89544b8-18cb-41e2-8e30-7668777b2b88/bin/ukojak-LBtLqBUTdQ/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