./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label12.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_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/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_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/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_566d7c86-a607-4f24-9e5b-06b97cb5309d/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 8a742001fc048cf2c19a5ef7c9a088e49806c4d0813d840a2d758559c7b8b5ba --- 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 18:21:11,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:21:11,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:21:11,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:21:11,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:21:11,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:21:11,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:21:11,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:21:11,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:21:11,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:21:11,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:21:11,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:21:11,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:21:11,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:21:11,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:21:11,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:21:11,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:21:11,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:21:11,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:21:11,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:21:11,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:21:11,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:21:11,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:21:11,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:21:11,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:21:11,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:21:11,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:21:11,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:21:11,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:21:11,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:21:11,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:21:11,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:21:11,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:21:11,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:21:11,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:21:11,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:21:11,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:21:11,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:21:11,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:21:11,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:21:11,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:21:11,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:21:11,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:21:11,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:21:11,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:21:11,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:21:11,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:21:11,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:21:11,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:21:11,518 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:21:11,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:21:11,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:21:11,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:21:11,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:21:11,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:21:11,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:21:11,518 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:21:11,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:21:11,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:21:11,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:21:11,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:21:11,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:21:11,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:21:11,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:21:11,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:21:11,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:21:11,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:21:11,520 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:21:11,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:21:11,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:21:11,520 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_566d7c86-a607-4f24-9e5b-06b97cb5309d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a742001fc048cf2c19a5ef7c9a088e49806c4d0813d840a2d758559c7b8b5ba [2022-12-14 18:21:11,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:21:11,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:21:11,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:21:11,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:21:11,720 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:21:11,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem07_label12.c [2022-12-14 18:21:14,290 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:21:15,315 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:21:15,315 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/sv-benchmarks/c/eca-rers2012/Problem07_label12.c [2022-12-14 18:21:15,433 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/data/3918d562b/7035f136c9d34af5876402c9e0982a4f/FLAG941960657 [2022-12-14 18:21:15,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/data/3918d562b/7035f136c9d34af5876402c9e0982a4f [2022-12-14 18:21:15,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:21:15,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:21:15,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:21:15,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:21:15,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:21:15,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:15" (1/1) ... [2022-12-14 18:21:15,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557466b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:15, skipping insertion in model container [2022-12-14 18:21:15,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:21:15" (1/1) ... [2022-12-14 18:21:15,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:21:16,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:21:26,028 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_566d7c86-a607-4f24-9e5b-06b97cb5309d/sv-benchmarks/c/eca-rers2012/Problem07_label12.c[2774099,2774112] [2022-12-14 18:21:26,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:21:26,084 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:21:31,870 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_566d7c86-a607-4f24-9e5b-06b97cb5309d/sv-benchmarks/c/eca-rers2012/Problem07_label12.c[2774099,2774112] [2022-12-14 18:21:31,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:21:32,465 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:21:32,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32 WrapperNode [2022-12-14 18:21:32,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:21:32,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:21:32,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:21:32,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:21:32,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:32,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:34,095 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2022-12-14 18:21:34,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:21:34,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:21:34,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:21:34,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:21:34,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:34,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:34,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:34,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:34,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:34,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:35,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:35,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:35,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:21:35,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:21:35,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:21:35,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:21:35,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:21:32" (1/1) ... [2022-12-14 18:21:35,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:21:35,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:21:35,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:21:35,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566d7c86-a607-4f24-9e5b-06b97cb5309d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:21:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:21:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:21:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:21:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:21:35,536 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:21:35,537 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:22:06,364 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:22:07,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:22:07,014 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:22:07,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:22:07 BoogieIcfgContainer [2022-12-14 18:22:07,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:22:07,022 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:22:07,022 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:22:07,028 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:22:07,029 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:22:07" (1/1) ... [2022-12-14 18:22:07,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:22:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:22:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2022-12-14 18:22:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2022-12-14 18:22:07,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2022-12-14 18:22:07,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:22:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:22:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:22:54,590 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 18:23:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:23:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30301 states to 20218 states and 30301 transitions. [2022-12-14 18:23:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 30301 transitions. [2022-12-14 18:23:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12981 [2022-12-14 18:23:39,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:23:39,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:23:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:24:17,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2881 backedges. 2881 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40585 states to 30314 states and 40585 transitions. [2022-12-14 18:25:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 30314 states and 40585 transitions. [2022-12-14 18:25:15,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12985 [2022-12-14 18:25:15,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:15,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:51,474 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 18:25:56,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40604 states to 30331 states and 40604 transitions. [2022-12-14 18:25:56,118 INFO L276 IsEmpty]: Start isEmpty. Operand 30331 states and 40604 transitions. [2022-12-14 18:25:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12986 [2022-12-14 18:25:56,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:56,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:26:57,897 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 18:27:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:27:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40625 states to 30349 states and 40625 transitions. [2022-12-14 18:27:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand 30349 states and 40625 transitions. [2022-12-14 18:27:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12989 [2022-12-14 18:27:03,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:27:03,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:27:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:27:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 2889 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 18:27:38,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:27:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40650 states to 30370 states and 40650 transitions. [2022-12-14 18:27:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 30370 states and 40650 transitions. [2022-12-14 18:27:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12992 [2022-12-14 18:27:39,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:27:39,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:27:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:28:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2902 backedges. 2892 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 18:28:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:28:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40679 states to 30394 states and 40679 transitions. [2022-12-14 18:28:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 30394 states and 40679 transitions. [2022-12-14 18:28:21,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12994 [2022-12-14 18:28:21,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:28:21,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:28:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:28:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 2894 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:28:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:28:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40711 states to 30420 states and 40711 transitions. [2022-12-14 18:28:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 30420 states and 40711 transitions. [2022-12-14 18:28:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13000 [2022-12-14 18:28:58,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:28:58,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:29:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:29:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2918 backedges. 2900 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 18:29:34,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:29:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40750 states to 30452 states and 40750 transitions. [2022-12-14 18:29:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 30452 states and 40750 transitions. [2022-12-14 18:29:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13002 [2022-12-14 18:29:35,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:29:35,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:29:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:30:30,612 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 18:30:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:30:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40790 states to 30486 states and 40790 transitions. [2022-12-14 18:30:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 30486 states and 40790 transitions. [2022-12-14 18:30:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13005 [2022-12-14 18:30:34,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:30:34,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:30:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:31:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2905 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-14 18:31:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:31:17,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40806 states to 30499 states and 40806 transitions. [2022-12-14 18:31:17,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30499 states and 40806 transitions. [2022-12-14 18:31:17,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13008 [2022-12-14 18:31:17,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:31:17,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:31:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:31:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2934 backedges. 2908 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.