./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label36.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_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/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_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/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_df288cdf-2c4c-462a-a803-c48b83514e9c/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 7c554a2a59989d7418fb8bbc352053403850f90f025458cceb44c8da15af850b --- 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 23:45:13,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:45:13,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:45:13,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:45:13,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:45:13,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:45:13,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:45:13,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:45:13,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:45:13,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:45:13,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:45:13,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:45:13,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:45:13,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:45:13,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:45:13,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:45:13,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:45:13,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:45:13,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:45:13,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:45:13,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:45:13,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:45:13,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:45:13,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:45:13,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:45:13,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:45:13,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:45:13,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:45:13,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:45:13,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:45:13,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:45:13,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:45:13,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:45:13,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:45:13,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:45:13,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:45:13,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:45:13,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:45:13,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:45:13,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:45:13,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:45:13,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:45:14,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:45:14,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:45:14,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:45:14,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:45:14,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:45:14,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:45:14,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:45:14,016 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:45:14,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:45:14,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:45:14,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:45:14,018 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:45:14,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:45:14,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:45:14,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:45:14,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:45:14,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:45:14,019 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:45:14,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:45:14,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:45:14,019 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_df288cdf-2c4c-462a-a803-c48b83514e9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c554a2a59989d7418fb8bbc352053403850f90f025458cceb44c8da15af850b [2022-12-14 23:45:14,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:45:14,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:45:14,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:45:14,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:45:14,228 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:45:14,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label36.c [2022-12-14 23:45:16,884 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:45:17,083 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:45:17,083 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/sv-benchmarks/c/eca-rers2012/Problem10_label36.c [2022-12-14 23:45:17,094 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/data/b0a5e364c/af6a2fd301d34947bad74c0d0ff53575/FLAG67a649c4d [2022-12-14 23:45:17,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/data/b0a5e364c/af6a2fd301d34947bad74c0d0ff53575 [2022-12-14 23:45:17,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:45:17,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:45:17,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:45:17,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:45:17,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:45:17,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e16f3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17, skipping insertion in model container [2022-12-14 23:45:17,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:45:17,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:45:17,290 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_df288cdf-2c4c-462a-a803-c48b83514e9c/sv-benchmarks/c/eca-rers2012/Problem10_label36.c[4555,4568] [2022-12-14 23:45:17,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:45:17,389 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:45:17,405 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_df288cdf-2c4c-462a-a803-c48b83514e9c/sv-benchmarks/c/eca-rers2012/Problem10_label36.c[4555,4568] [2022-12-14 23:45:17,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:45:17,463 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:45:17,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17 WrapperNode [2022-12-14 23:45:17,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:45:17,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:45:17,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:45:17,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:45:17,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,516 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-14 23:45:17,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:45:17,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:45:17,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:45:17,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:45:17,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,552 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:45:17,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:45:17,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:45:17,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:45:17,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:17" (1/1) ... [2022-12-14 23:45:17,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:45:17,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:45:17,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:45:17,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:45:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:45:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:45:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:45:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:45:17,699 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:45:17,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:45:18,472 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:45:19,909 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:45:19,909 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:45:19,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:45:19 BoogieIcfgContainer [2022-12-14 23:45:19,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:45:19,912 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:45:19,912 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:45:19,918 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:45:19,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:45:19" (1/1) ... [2022-12-14 23:45:19,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:45:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 23:45:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 23:45:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 23:45:19,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:19,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:20,110 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 23:45:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 23:45:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 23:45:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:45:20,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-12-14 23:45:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-12-14 23:45:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:45:26,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:26,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2022-12-14 23:45:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2022-12-14 23:45:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:45:39,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:39,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:45:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:45:51,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2022-12-14 23:45:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2022-12-14 23:45:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:45:51,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:45:51,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:45:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 23:46:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:46:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2022-12-14 23:46:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-12-14 23:46:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:46:00,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:46:00,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:46:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:46:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 23:46:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:46:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-12-14 23:46:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-12-14 23:46:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:46:10,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:46:10,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:46:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:46:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 23:46:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:46:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2022-12-14 23:46:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2022-12-14 23:46:20,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:46:20,802 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 23:46:20,807 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 23:46:21,008 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2022-12-14 23:46:21,017 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-14 23:46:21,017 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:46:21,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:46:21 ImpRootNode [2022-12-14 23:46:21,018 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:46:21,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:46:21,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:46:21,018 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:46:21,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:45:19" (3/4) ... [2022-12-14 23:46:21,021 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:46:21,032 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2022-12-14 23:46:21,033 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-14 23:46:21,033 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 23:46:21,034 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:46:21,098 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:46:21,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:46:21,098 INFO L158 Benchmark]: Toolchain (without parser) took 63987.12ms. Allocated memory was 123.7MB in the beginning and 1.1GB in the end (delta: 962.6MB). Free memory was 86.5MB in the beginning and 638.8MB in the end (delta: -552.4MB). Peak memory consumption was 410.6MB. Max. memory is 16.1GB. [2022-12-14 23:46:21,099 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:46:21,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.22ms. Allocated memory is still 123.7MB. Free memory was 86.1MB in the beginning and 59.1MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 23:46:21,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.81ms. Allocated memory is still 123.7MB. Free memory was 59.1MB in the beginning and 51.2MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 23:46:21,099 INFO L158 Benchmark]: Boogie Preprocessor took 45.98ms. Allocated memory is still 123.7MB. Free memory was 51.2MB in the beginning and 46.3MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 23:46:21,099 INFO L158 Benchmark]: RCFGBuilder took 2347.80ms. Allocated memory was 123.7MB in the beginning and 220.2MB in the end (delta: 96.5MB). Free memory was 45.9MB in the beginning and 82.4MB in the end (delta: -36.5MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2022-12-14 23:46:21,100 INFO L158 Benchmark]: CodeCheck took 61106.09ms. Allocated memory was 220.2MB in the beginning and 1.1GB in the end (delta: 866.1MB). Free memory was 82.4MB in the beginning and 649.3MB in the end (delta: -566.9MB). Peak memory consumption was 299.2MB. Max. memory is 16.1GB. [2022-12-14 23:46:21,100 INFO L158 Benchmark]: Witness Printer took 80.05ms. Allocated memory is still 1.1GB. Free memory was 649.3MB in the beginning and 638.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:46:21,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 289 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 249 mSDsluCounter, 283 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 170 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 726 IncrementalHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 113 mSDtfsCounter, 726 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 999 GetRequests, 863 SyntacticMatches, 48 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3508 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 57.6s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 1188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 60/116 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 131]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((8 <= a19 || a19 <= 6) && 14 == a4) && a12 == 0) || ((14 == a4 && ((39 <= a1 || !(a10 == 4)) || a1 + 13 <= 0)) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((39 <= a1 || !(a10 == 4)) || a1 + 13 <= 0) || a19 <= 6) || !(a19 <= 7)) && 14 == a4) && a12 == 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.22ms. Allocated memory is still 123.7MB. Free memory was 86.1MB in the beginning and 59.1MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.81ms. Allocated memory is still 123.7MB. Free memory was 59.1MB in the beginning and 51.2MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.98ms. Allocated memory is still 123.7MB. Free memory was 51.2MB in the beginning and 46.3MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2347.80ms. Allocated memory was 123.7MB in the beginning and 220.2MB in the end (delta: 96.5MB). Free memory was 45.9MB in the beginning and 82.4MB in the end (delta: -36.5MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. * CodeCheck took 61106.09ms. Allocated memory was 220.2MB in the beginning and 1.1GB in the end (delta: 866.1MB). Free memory was 82.4MB in the beginning and 649.3MB in the end (delta: -566.9MB). Peak memory consumption was 299.2MB. Max. memory is 16.1GB. * Witness Printer took 80.05ms. Allocated memory is still 1.1GB. Free memory was 649.3MB in the beginning and 638.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:46:21,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df288cdf-2c4c-462a-a803-c48b83514e9c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE