./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label15.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB --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 c9240c4aeadc96e65569656f5eb1191209fe6aaacfd216b5c85e62d05a03467a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:41:03,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:03,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:03,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:03,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:03,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:03,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:03,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:03,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:03,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:03,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:03,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:03,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:03,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:03,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:03,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:03,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:03,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:03,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:03,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:03,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:03,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:03,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:03,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:03,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:03,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:03,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:03,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:03,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:03,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:03,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:03,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:03,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:03,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:03,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:03,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:03,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:03,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:03,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:03,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:03,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:03,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:03,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:03,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:03,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:03,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:03,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:03,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:03,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:03,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:03,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:03,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:03,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:03,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:03,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:03,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:03,852 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:03,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:03,853 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:03,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:03,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:03,854 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:03,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:03,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:03,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:03,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:03,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:03,855 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:03,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:03,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:03,856 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_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9240c4aeadc96e65569656f5eb1191209fe6aaacfd216b5c85e62d05a03467a [2022-10-17 16:41:04,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:04,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:04,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:04,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:04,140 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:04,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label15.c [2022-10-17 16:41:04,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/data/d4a7acdab/9ea8c5dfa0444d078a3433afb9f4f9f0/FLAG6b3fe009b [2022-10-17 16:41:04,868 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:04,868 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/sv-benchmarks/c/eca-rers2012/Problem03_label15.c [2022-10-17 16:41:04,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/data/d4a7acdab/9ea8c5dfa0444d078a3433afb9f4f9f0/FLAG6b3fe009b [2022-10-17 16:41:05,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/data/d4a7acdab/9ea8c5dfa0444d078a3433afb9f4f9f0 [2022-10-17 16:41:05,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:05,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:05,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:05,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:05,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:05,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:05" (1/1) ... [2022-10-17 16:41:05,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1a648a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:05, skipping insertion in model container [2022-10-17 16:41:05,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:05" (1/1) ... [2022-10-17 16:41:05,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:05,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:05,980 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_09887c7e-4e93-42cf-a89b-764f94f11b47/sv-benchmarks/c/eca-rers2012/Problem03_label15.c[61228,61241] [2022-10-17 16:41:06,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:06,009 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:06,262 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_09887c7e-4e93-42cf-a89b-764f94f11b47/sv-benchmarks/c/eca-rers2012/Problem03_label15.c[61228,61241] [2022-10-17 16:41:06,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:06,290 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:06,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06 WrapperNode [2022-10-17 16:41:06,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:06,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:06,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:06,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:06,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,451 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:41:06,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:06,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:06,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:06,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:06,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:06,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:06,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:06,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:06,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:06" (1/1) ... [2022-10-17 16:41:06,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:06,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:06,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09887c7e-4e93-42cf-a89b-764f94f11b47/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:06,798 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:06,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:08,946 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:09,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:09,259 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:41:09,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:09 BoogieIcfgContainer [2022-10-17 16:41:09,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:09,263 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:09,263 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:09,274 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:09,274 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:09" (1/1) ... [2022-10-17 16:41:09,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:09,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:41:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:41:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:41:09,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:09,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:10,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 289 states and 448 transitions. [2022-10-17 16:41:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 448 transitions. [2022-10-17 16:41:11,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:41:11,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:11,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 437 states and 712 transitions. [2022-10-17 16:41:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 712 transitions. [2022-10-17 16:41:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:41:13,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:13,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 444 states and 721 transitions. [2022-10-17 16:41:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 721 transitions. [2022-10-17 16:41:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:41:13,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:14,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 454 states and 746 transitions. [2022-10-17 16:41:14,893 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 746 transitions. [2022-10-17 16:41:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:41:14,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:14,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 465 states and 763 transitions. [2022-10-17 16:41:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 763 transitions. [2022-10-17 16:41:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-17 16:41:15,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:15,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:41:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 466 states and 764 transitions. [2022-10-17 16:41:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 764 transitions. [2022-10-17 16:41:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:41:16,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:16,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 621 states and 977 transitions. [2022-10-17 16:41:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 977 transitions. [2022-10-17 16:41:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-17 16:41:19,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 633 states and 999 transitions. [2022-10-17 16:41:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 999 transitions. [2022-10-17 16:41:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-17 16:41:20,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:20,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 640 states and 1011 transitions. [2022-10-17 16:41:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1011 transitions. [2022-10-17 16:41:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-17 16:41:21,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:21,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 641 states and 1012 transitions. [2022-10-17 16:41:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1012 transitions. [2022-10-17 16:41:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-10-17 16:41:21,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:21,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 647 states and 1024 transitions. [2022-10-17 16:41:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1024 transitions. [2022-10-17 16:41:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 16:41:22,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:24,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 674 states and 1064 transitions. [2022-10-17 16:41:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1064 transitions. [2022-10-17 16:41:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:41:24,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:24,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:24,543 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 703 states and 1108 transitions. [2022-10-17 16:41:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1108 transitions. [2022-10-17 16:41:25,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-17 16:41:25,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:25,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 715 states and 1132 transitions. [2022-10-17 16:41:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1132 transitions. [2022-10-17 16:41:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-17 16:41:27,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:27,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 722 states and 1141 transitions. [2022-10-17 16:41:27,882 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1141 transitions. [2022-10-17 16:41:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-17 16:41:27,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:27,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 726 states and 1145 transitions. [2022-10-17 16:41:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1145 transitions. [2022-10-17 16:41:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-17 16:41:28,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:28,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 727 states and 1147 transitions. [2022-10-17 16:41:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1147 transitions. [2022-10-17 16:41:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-17 16:41:29,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:29,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:29,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 728 states and 1149 transitions. [2022-10-17 16:41:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1149 transitions. [2022-10-17 16:41:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-17 16:41:29,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:29,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 761 states and 1201 transitions. [2022-10-17 16:41:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1201 transitions. [2022-10-17 16:41:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-17 16:41:32,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat