./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4 --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 15ed19eb5795bed80c0398d5ac36df37e483370c3431a4e2b1af686401d8c839 --- 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-2329fc7 [2022-12-14 23:07:31,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:07:31,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:07:31,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:07:31,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:07:31,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:07:31,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:07:31,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:07:31,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:07:31,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:07:31,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:07:31,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:07:31,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:07:31,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:07:31,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:07:31,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:07:31,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:07:31,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:07:31,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:07:31,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:07:31,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:07:31,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:07:31,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:07:31,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:07:31,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:07:31,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:07:31,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:07:31,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:07:31,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:07:31,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:07:31,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:07:31,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:07:31,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:07:31,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:07:31,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:07:31,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:07:31,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:07:31,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:07:31,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:07:31,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:07:31,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:07:31,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:07:31,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:07:31,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:07:31,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:07:31,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:07:31,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:07:31,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:07:31,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:07:31,774 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:07:31,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:07:31,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:07:31,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:07:31,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:07:31,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:07:31,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:07:31,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:07:31,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:07:31,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:07:31,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:07:31,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:07:31,777 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:07:31,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:07:31,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:07:31,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:07:31,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:07:31,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:07:31,778 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:07:31,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:07:31,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:07:31,779 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_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15ed19eb5795bed80c0398d5ac36df37e483370c3431a4e2b1af686401d8c839 [2022-12-14 23:07:31,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:07:31,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:07:32,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:07:32,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:07:32,002 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:07:32,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem07_label56.c [2022-12-14 23:07:34,625 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:07:35,591 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:07:35,591 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/sv-benchmarks/c/eca-rers2012/Problem07_label56.c [2022-12-14 23:07:35,707 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/data/9bc816b85/7a0272938f1347839f1b90329bc974c9/FLAGd4c301633 [2022-12-14 23:07:35,716 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/data/9bc816b85/7a0272938f1347839f1b90329bc974c9 [2022-12-14 23:07:35,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:07:35,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:07:35,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:07:35,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:07:35,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:07:35,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:07:35" (1/1) ... [2022-12-14 23:07:35,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496aa5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:35, skipping insertion in model container [2022-12-14 23:07:35,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:07:35" (1/1) ... [2022-12-14 23:07:35,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:07:36,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:07:45,779 WARN L237 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_117ddba5-c4f4-46fb-9e97-9b854592811a/sv-benchmarks/c/eca-rers2012/Problem07_label56.c[2773929,2773942] [2022-12-14 23:07:45,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:07:45,836 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:07:51,640 WARN L237 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_117ddba5-c4f4-46fb-9e97-9b854592811a/sv-benchmarks/c/eca-rers2012/Problem07_label56.c[2773929,2773942] [2022-12-14 23:07:51,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:07:52,217 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:07:52,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52 WrapperNode [2022-12-14 23:07:52,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:07:52,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:07:52,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:07:52,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:07:52,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:52,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:53,795 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2022-12-14 23:07:53,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:07:53,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:07:53,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:07:53,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:07:53,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:53,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:54,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:54,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:54,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:54,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:54,909 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:54,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:55,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:07:55,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:07:55,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:07:55,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:07:55,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:52" (1/1) ... [2022-12-14 23:07:55,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:07:55,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:07:55,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:07:55,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117ddba5-c4f4-46fb-9e97-9b854592811a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:07:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:07:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:07:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:07:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:07:55,364 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:07:55,365 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:08:24,674 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:08:25,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:08:25,382 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:08:25,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:08:25 BoogieIcfgContainer [2022-12-14 23:08:25,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:08:25,392 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:08:25,392 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:08:25,399 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:08:25,399 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:08:25" (1/1) ... [2022-12-14 23:08:25,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:08:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2022-12-14 23:08:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2022-12-14 23:08:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2022-12-14 23:08:26,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:26,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:09:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30301 states to 20218 states and 30301 transitions. [2022-12-14 23:09:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 30301 transitions. [2022-12-14 23:09:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12981 [2022-12-14 23:09:59,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:59,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:10:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:10:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2881 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2881 trivial. 0 not checked. [2022-12-14 23:11:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:11:34,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41233 states to 30314 states and 41233 transitions. [2022-12-14 23:11:34,592 INFO L276 IsEmpty]: Start isEmpty. Operand 30314 states and 41233 transitions. [2022-12-14 23:11:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12985 [2022-12-14 23:11:35,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:11:35,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:11:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 2885 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:12:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41252 states to 30331 states and 41252 transitions. [2022-12-14 23:12:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 30331 states and 41252 transitions. [2022-12-14 23:12:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12986 [2022-12-14 23:12:13,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:13,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2890 backedges. 2890 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:13:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41273 states to 30349 states and 41273 transitions. [2022-12-14 23:13:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 30349 states and 41273 transitions. [2022-12-14 23:13:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12990 [2022-12-14 23:13:07,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:07,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:13:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 2898 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:13:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:13:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41299 states to 30371 states and 41299 transitions. [2022-12-14 23:13:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 30371 states and 41299 transitions. [2022-12-14 23:13:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12991 [2022-12-14 23:13:46,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:13:46,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:13:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:14:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 2891 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 23:14:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:14:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41327 states to 30394 states and 41327 transitions. [2022-12-14 23:14:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand 30394 states and 41327 transitions. [2022-12-14 23:14:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12992 [2022-12-14 23:14:26,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:14:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:14:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:15:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 2895 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 23:15:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:15:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41351 states to 30414 states and 41351 transitions. [2022-12-14 23:15:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 30414 states and 41351 transitions. [2022-12-14 23:15:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12995 [2022-12-14 23:15:02,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:15:02,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:15:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:15:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2908 backedges. 2895 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 23:15:42,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:15:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41355 states to 30418 states and 41355 transitions. [2022-12-14 23:15:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 30418 states and 41355 transitions. [2022-12-14 23:15:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12997 [2022-12-14 23:15:43,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:15:43,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:15:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:16:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2912 backedges. 2897 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 23:16:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:16:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41371 states to 30430 states and 41371 transitions. [2022-12-14 23:16:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 30430 states and 41371 transitions. [2022-12-14 23:16:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13002 [2022-12-14 23:16:18,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:16:18,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:16:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:17:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2922 backedges. 2922 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:17:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:17:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41411 states to 30464 states and 41411 transitions. [2022-12-14 23:17:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 30464 states and 41411 transitions. [2022-12-14 23:17:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13008 [2022-12-14 23:17:08,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:17:08,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:17:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:17:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2934 backedges. 2908 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 23:17:48,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:17:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41458 states to 30504 states and 41458 transitions. [2022-12-14 23:17:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 30504 states and 41458 transitions. [2022-12-14 23:17:49,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13010 [2022-12-14 23:17:49,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:17:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:17:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat