./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label55.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_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/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_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/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_295cc03a-27b1-41f4-86e3-a3a993c7e901/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 09a7076b11bd93aa446f64e9d2cfea0a1b6b8e99744d45c786a334a0139444f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:09:24,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:09:24,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:09:24,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:09:24,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:09:24,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:09:24,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:09:24,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:09:24,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:09:24,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:09:24,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:09:24,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:09:24,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:09:24,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:09:24,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:09:24,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:09:24,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:09:24,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:09:24,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:09:24,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:09:24,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:09:24,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:09:24,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:09:24,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:09:24,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:09:24,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:09:24,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:09:24,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:09:24,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:09:24,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:09:24,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:09:24,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:09:24,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:09:24,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:09:24,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:09:24,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:09:24,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:09:24,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:09:24,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:09:24,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:09:24,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:09:24,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:09:24,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:09:24,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:09:24,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:09:24,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:09:24,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:09:24,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:09:24,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:09:24,834 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:09:24,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:09:24,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:09:24,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:09:24,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:09:24,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:09:24,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:09:24,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:09:24,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:09:24,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:09:24,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:09:24,839 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:09:24,839 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:09:24,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:09:24,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:24,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:09:24,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:09:24,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:09:24,842 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:09:24,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:09:24,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:09:24,844 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_295cc03a-27b1-41f4-86e3-a3a993c7e901/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09a7076b11bd93aa446f64e9d2cfea0a1b6b8e99744d45c786a334a0139444f2 [2021-11-23 01:09:25,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:09:25,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:09:25,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:09:25,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:09:25,216 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:09:25,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem17_label55.c [2021-11-23 01:09:25,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/data/513b08346/16f745385b8c442f8c6261b03b9e43a5/FLAGeebe6ec8d [2021-11-23 01:09:26,183 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:09:26,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/sv-benchmarks/c/eca-rers2012/Problem17_label55.c [2021-11-23 01:09:26,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/data/513b08346/16f745385b8c442f8c6261b03b9e43a5/FLAGeebe6ec8d [2021-11-23 01:09:26,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/data/513b08346/16f745385b8c442f8c6261b03b9e43a5 [2021-11-23 01:09:26,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:09:26,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:09:26,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:26,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:09:26,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:09:26,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:26" (1/1) ... [2021-11-23 01:09:26,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb86fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:26, skipping insertion in model container [2021-11-23 01:09:26,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:26" (1/1) ... [2021-11-23 01:09:26,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:09:26,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:09:27,107 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_295cc03a-27b1-41f4-86e3-a3a993c7e901/sv-benchmarks/c/eca-rers2012/Problem17_label55.c[1783,1796] [2021-11-23 01:09:27,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:28,009 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:09:28,039 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_295cc03a-27b1-41f4-86e3-a3a993c7e901/sv-benchmarks/c/eca-rers2012/Problem17_label55.c[1783,1796] [2021-11-23 01:09:28,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:28,605 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:09:28,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28 WrapperNode [2021-11-23 01:09:28,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:28,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:28,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:09:28,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:09:28,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:28,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,124 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2021-11-23 01:09:29,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:29,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:09:29,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:09:29,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:09:29,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:09:29,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:09:29,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:09:29,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:09:29,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:28" (1/1) ... [2021-11-23 01:09:29,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:29,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:09:29,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:09:29,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_295cc03a-27b1-41f4-86e3-a3a993c7e901/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:09:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:09:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:09:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:09:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:09:29,823 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:09:29,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:09:34,546 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:10:18,338 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:10:18,338 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:10:18,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:18 BoogieIcfgContainer [2021-11-23 01:10:18,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:10:18,344 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:10:18,344 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:10:18,363 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:10:18,363 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:10:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:10:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:10:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:10:18,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:18,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:18,687 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 01:10:29,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:10:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:10:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:10:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:10:29,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:29,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:47,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:10:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:10:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:10:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:10:48,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:48,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:52,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:10:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:10:52,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:10:52,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:52,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:10:56,659 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:10:56,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:10:56,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:56,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:11:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:11:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:11:00,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:00,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:11:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:11:04,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:11:04,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:04,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:11:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:11:07,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:11:07,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:07,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:11:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:11:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:11:10,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:10,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:11:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:11:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:11:14,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:14,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:11:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:11:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:11:17,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:17,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms