./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/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_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 099a6c07b0f7802c24b5daaf1ad5a1209a4337f326a0c4ba8ea2f0dea56171ec --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:35:32,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:35:32,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:35:32,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:35:32,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:35:32,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:35:32,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:35:32,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:35:32,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:35:32,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:35:32,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:35:32,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:35:32,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:35:32,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:35:32,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:35:32,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:35:32,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:35:32,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:35:32,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:35:32,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:35:32,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:35:32,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:35:32,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:35:32,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:35:32,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:35:32,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:35:32,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:35:32,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:35:32,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:35:32,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:35:32,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:35:32,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:35:32,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:35:32,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:35:32,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:35:32,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:35:32,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:35:32,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:35:32,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:35:32,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:35:32,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:35:32,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:35:32,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:35:32,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:35:32,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:35:32,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:35:32,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:35:32,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:35:32,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:35:32,887 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:35:32,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:35:32,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:35:32,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:35:32,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:35:32,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:35:32,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:35:32,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:35:32,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:35:32,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:35:32,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:35:32,893 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:35:32,893 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:35:32,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:35:32,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:32,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:35:32,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:35:32,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:35:32,909 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:35:32,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:35:32,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:35:32,910 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_9a9f985c-3933-4ccb-a1d0-483875eecc39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 099a6c07b0f7802c24b5daaf1ad5a1209a4337f326a0c4ba8ea2f0dea56171ec [2021-11-23 00:35:33,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:35:33,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:35:33,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:35:33,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:35:33,224 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:35:33,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c [2021-11-23 00:35:33,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/data/ae81b30e2/ae97270066974ce7b8494acb8e665e15/FLAG3f633c09d [2021-11-23 00:35:33,763 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:35:33,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c [2021-11-23 00:35:33,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/data/ae81b30e2/ae97270066974ce7b8494acb8e665e15/FLAG3f633c09d [2021-11-23 00:35:34,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/data/ae81b30e2/ae97270066974ce7b8494acb8e665e15 [2021-11-23 00:35:34,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:35:34,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:35:34,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:34,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:35:34,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:35:34,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac6f18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34, skipping insertion in model container [2021-11-23 00:35:34,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:35:34,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:35:34,317 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_9a9f985c-3933-4ccb-a1d0-483875eecc39/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c[458,471] [2021-11-23 00:35:34,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:34,348 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:35:34,360 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_9a9f985c-3933-4ccb-a1d0-483875eecc39/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound5.c[458,471] [2021-11-23 00:35:34,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:34,380 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:35:34,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34 WrapperNode [2021-11-23 00:35:34,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:34,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:34,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:35:34,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:35:34,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,423 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 00:35:34,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:34,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:35:34,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:35:34,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:35:34,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:35:34,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:35:34,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:35:34,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:35:34,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:34,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:35:34,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:35:34,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:35:34,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:35:34,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:35:34,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:35:34,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:35:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:35:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:35:34,603 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:35:34,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:35:34,773 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:35:34,798 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:35:34,799 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:35:34,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:34 BoogieIcfgContainer [2021-11-23 00:35:34,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:35:34,802 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:35:34,802 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:35:34,812 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:35:34,813 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:34" (1/1) ... [2021-11-23 00:35:34,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:35:34,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:34,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 00:35:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 00:35:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:35:34,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:34,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:35,095 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 00:35:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 00:35:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 00:35:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:35:35,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:35,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:35,180 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 00:35:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:35,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 00:35:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 00:35:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:35:35,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:35,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:35,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:35:35,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:35,393 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 00:35:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 00:35:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 00:35:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:35:36,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:36,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:36,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:35:36,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-11-23 00:35:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-11-23 00:35:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:35:37,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:37,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:37,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:35:37,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2021-11-23 00:35:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2021-11-23 00:35:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:35:38,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:38,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:38,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:35:38,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2021-11-23 00:35:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2021-11-23 00:35:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:35:39,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:39,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:39,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:35:39,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:39,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2021-11-23 00:35:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2021-11-23 00:35:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:35:39,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:39,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:39,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:35:39,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:39,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:35:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2021-11-23 00:35:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2021-11-23 00:35:39,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:35:39,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:39,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:39,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:35:39,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:35:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 96 transitions. [2021-11-23 00:35:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 96 transitions. [2021-11-23 00:35:41,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:35:41,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:41,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:41,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:35:41,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:35:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2021-11-23 00:35:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2021-11-23 00:35:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:35:41,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:41,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:41,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:35:41,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 56 states and 131 transitions. [2021-11-23 00:35:43,284 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 131 transitions. [2021-11-23 00:35:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:35:43,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:43,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:35:43,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:35:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 58 states and 132 transitions. [2021-11-23 00:35:43,982 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 132 transitions. [2021-11-23 00:35:43,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:35:43,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:44,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:35:44,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 58 states and 131 transitions. [2021-11-23 00:35:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 131 transitions. [2021-11-23 00:35:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:35:44,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:44,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:44,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:35:44,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:35:47,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:47,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 172 transitions. [2021-11-23 00:35:47,074 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 172 transitions. [2021-11-23 00:35:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:35:47,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:47,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:35:47,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:35:47,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:47,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 70 states and 174 transitions. [2021-11-23 00:35:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 174 transitions. [2021-11-23 00:35:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:35:47,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:47,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:35:47,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:35:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 74 states and 190 transitions. [2021-11-23 00:35:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 190 transitions. [2021-11-23 00:35:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:35:49,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:49,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:49,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:35:49,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 78 states and 212 transitions. [2021-11-23 00:35:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 212 transitions. [2021-11-23 00:35:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:35:50,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:50,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:51,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:35:51,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:35:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 80 states and 213 transitions. [2021-11-23 00:35:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2021-11-23 00:35:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:35:51,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:51,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:52,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:35:52,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 84 states and 236 transitions. [2021-11-23 00:35:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 236 transitions. [2021-11-23 00:35:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:35:53,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:53,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:53,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:35:53,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:35:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 86 states and 237 transitions. [2021-11-23 00:35:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 237 transitions. [2021-11-23 00:35:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:35:54,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:54,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:54,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:35:54,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 236 transitions. [2021-11-23 00:35:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 236 transitions. [2021-11-23 00:35:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:35:55,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:55,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:35:55,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:55,411 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:35:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 88 states and 237 transitions. [2021-11-23 00:35:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 237 transitions. [2021-11-23 00:35:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:35:56,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:35:56,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:00,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 98 states and 288 transitions. [2021-11-23 00:36:00,558 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 288 transitions. [2021-11-23 00:36:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:36:00,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:36:00,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:00,746 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 102 states and 291 transitions. [2021-11-23 00:36:02,231 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 291 transitions. [2021-11-23 00:36:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:36:02,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:02,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:02,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:36:02,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:03,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 104 states and 293 transitions. [2021-11-23 00:36:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 293 transitions. [2021-11-23 00:36:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:03,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:03,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:03,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:03,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 112 states and 334 transitions. [2021-11-23 00:36:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 334 transitions. [2021-11-23 00:36:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:06,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:08,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:36:08,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 116 states and 356 transitions. [2021-11-23 00:36:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 356 transitions. [2021-11-23 00:36:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:10,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:10,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:10,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 116 states and 355 transitions. [2021-11-23 00:36:11,325 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 355 transitions. [2021-11-23 00:36:11,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:11,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:11,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:12,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:36:12,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 118 states and 356 transitions. [2021-11-23 00:36:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 356 transitions. [2021-11-23 00:36:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:14,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:14,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:14,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 118 states and 355 transitions. [2021-11-23 00:36:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 355 transitions. [2021-11-23 00:36:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:14,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:36:15,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:17,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 120 states and 356 transitions. [2021-11-23 00:36:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 356 transitions. [2021-11-23 00:36:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:17,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:36:19,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 122 states and 357 transitions. [2021-11-23 00:36:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 357 transitions. [2021-11-23 00:36:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:20,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:20,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 122 states and 356 transitions. [2021-11-23 00:36:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 356 transitions. [2021-11-23 00:36:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:36:20,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:22,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:36:22,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:36:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 124 states and 357 transitions. [2021-11-23 00:36:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 357 transitions. [2021-11-23 00:36:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:23,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:23,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:36:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 134 states and 418 transitions. [2021-11-23 00:36:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 418 transitions. [2021-11-23 00:36:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:29,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:29,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:36:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 136 states and 420 transitions. [2021-11-23 00:36:31,381 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 420 transitions. [2021-11-23 00:36:31,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:31,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:31,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:36:32,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 138 states and 421 transitions. [2021-11-23 00:36:32,668 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 421 transitions. [2021-11-23 00:36:32,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:32,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:32,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:32,864 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:36:34,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 140 states and 423 transitions. [2021-11-23 00:36:34,061 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 423 transitions. [2021-11-23 00:36:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:34,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:34,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:36:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:35,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 142 states and 425 transitions. [2021-11-23 00:36:35,555 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 425 transitions. [2021-11-23 00:36:35,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:36:35,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:35,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:35,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:36:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 144 states and 426 transitions. [2021-11-23 00:36:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 426 transitions. [2021-11-23 00:36:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:36:36,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:36:36,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:45,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 159 states and 501 transitions. [2021-11-23 00:36:45,387 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 501 transitions. [2021-11-23 00:36:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:36:45,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:45,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:48,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:36:48,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 18 proven. 54 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:36:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 162 states and 505 transitions. [2021-11-23 00:36:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 505 transitions. [2021-11-23 00:36:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:36:51,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:51,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:51,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:36:51,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:51,681 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 162 states and 503 transitions. [2021-11-23 00:36:52,995 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 503 transitions. [2021-11-23 00:36:52,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:36:52,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:52,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:53,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:36:53,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 65 states and 185 transitions. [2021-11-23 00:36:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 185 transitions. [2021-11-23 00:36:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:36:53,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:53,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:53,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:36:53,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:37:01,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 67 states and 209 transitions. [2021-11-23 00:37:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 209 transitions. [2021-11-23 00:37:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:37:01,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:01,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:37:01,727 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:37:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:37:01,796 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 46 iterations. [2021-11-23 00:37:01,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:37:01 ImpRootNode [2021-11-23 00:37:01,853 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:37:01,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:37:01,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:37:01,854 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:37:01,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:34" (3/4) ... [2021-11-23 00:37:01,857 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:37:01,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:37:01,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:37:01,982 INFO L158 Benchmark]: Toolchain (without parser) took 87840.66ms. Allocated memory was 92.3MB in the beginning and 488.6MB in the end (delta: 396.4MB). Free memory was 67.0MB in the beginning and 212.5MB in the end (delta: -145.6MB). Peak memory consumption was 248.9MB. Max. memory is 16.1GB. [2021-11-23 00:37:01,983 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:37:01,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.86ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 67.0MB in the end (delta: -178.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:37:01,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.63ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:37:01,985 INFO L158 Benchmark]: Boogie Preprocessor took 21.38ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 64.4MB in the end (delta: 929.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:37:01,999 INFO L158 Benchmark]: RCFGBuilder took 354.50ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 54.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:37:02,000 INFO L158 Benchmark]: CodeCheck took 87051.18ms. Allocated memory was 92.3MB in the beginning and 488.6MB in the end (delta: 396.4MB). Free memory was 54.2MB in the beginning and 215.7MB in the end (delta: -161.4MB). Peak memory consumption was 237.9MB. Max. memory is 16.1GB. [2021-11-23 00:37:02,001 INFO L158 Benchmark]: Witness Printer took 127.81ms. Allocated memory is still 488.6MB. Free memory was 215.7MB in the beginning and 212.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:37:02,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.0s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3613 SdHoareTripleChecker+Valid, 116.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1252 mSDsluCounter, 2064 SdHoareTripleChecker+Invalid, 104.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1184 mSDsCounter, 13135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36387 IncrementalHoareTripleChecker+Invalid, 49522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13135 mSolverCounterUnsat, 880 mSDtfsCounter, 36387 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19292 GetRequests, 17969 SyntacticMatches, 717 SemanticMatches, 606 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184822 ImplicationChecksByTransitivity, 65.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 1475 NumberOfCodeBlocks, 1475 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1378 ConstructedInterpolants, 0 QuantifiedInterpolants, 6213 SizeOfPredicates, 89 NumberOfNonLiveVariables, 5099 ConjunctsInSsa, 658 ConjunctsInUnsatCore, 45 InterpolantComputations, 4 PerfectInterpolantSequences, 1179/2117 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L22] CALL assume_abort_if_not(k <= 256) [L7] COND FALSE !(!cond) [L22] RET assume_abort_if_not(k <= 256) [L24] y = 0 [L25] x = 0 [L26] c = 0 VAL [c=0, counter=0, k=6, x=0, y=0] [L28] EXPR counter++ VAL [c=0, counter=1, counter++=0, k=6, x=0, y=0] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=0, counter=1, k=6, x=0, y=0] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=1, counter=1, k=6, x=1, y=1] [L28] EXPR counter++ VAL [c=1, counter=2, counter++=1, k=6, x=1, y=1] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=1, counter=2, k=6, x=1, y=1] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=2, counter=2, k=6, x=33, y=2] [L28] EXPR counter++ VAL [c=2, counter=3, counter++=2, k=6, x=33, y=2] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=2, counter=3, k=6, x=33, y=2] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=3, counter=3, k=6, x=276, y=3] [L28] EXPR counter++ VAL [c=3, counter=4, counter++=3, k=6, x=276, y=3] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=3, counter=4, k=6, x=276, y=3] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=4, counter=4, k=6, x=1300, y=4] [L28] EXPR counter++ VAL [c=4, counter=5, counter++=4, k=6, x=1300, y=4] [L28] COND TRUE counter++<5 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=4, counter=5, k=6, x=1300, y=4] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [c=5, counter=5, k=6, x=4425, y=5] [L28] EXPR counter++ VAL [c=5, counter=6, counter++=5, k=6, x=4425, y=5] [L28] COND FALSE !(counter++<5) [L39] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=6] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=6] [L39] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [c=5, counter=6, k=6, x=4425, y=5] [L40] CALL __VERIFIER_assert(k*y == y*y) VAL [\old(cond)=0, counter=6] [L10] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=6] [L12] reach_error() VAL [\old(cond)=0, cond=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.86ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 67.0MB in the end (delta: -178.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.63ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.38ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 64.4MB in the end (delta: 929.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.50ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 54.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 87051.18ms. Allocated memory was 92.3MB in the beginning and 488.6MB in the end (delta: 396.4MB). Free memory was 54.2MB in the beginning and 215.7MB in the end (delta: -161.4MB). Peak memory consumption was 237.9MB. Max. memory is 16.1GB. * Witness Printer took 127.81ms. Allocated memory is still 488.6MB. Free memory was 215.7MB in the beginning and 212.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:37:02,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9f985c-3933-4ccb-a1d0-483875eecc39/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE