./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/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_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/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_324df715-6760-4df6-a677-ec94f2dd29cd/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 16a882266f214f7bbe3e2aa4aa7afa01c1567a6c47ab95da663021c70813ff8b --- 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 22:38:53,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:38:53,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:38:53,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:38:53,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:38:53,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:38:53,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:38:53,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:38:53,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:38:53,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:38:53,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:38:53,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:38:53,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:38:53,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:38:53,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:38:53,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:38:53,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:38:53,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:38:53,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:38:53,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:38:53,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:38:53,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:38:53,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:38:53,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:38:53,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:38:53,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:38:53,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:38:53,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:38:53,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:38:53,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:38:53,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:38:53,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:38:53,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:38:53,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:38:53,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:38:53,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:38:53,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:38:53,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:38:53,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:38:53,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:38:53,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:38:53,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:38:53,623 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:38:53,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:38:53,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:38:53,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:38:53,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:38:53,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:38:53,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:38:53,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:38:53,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:38:53,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:38:53,626 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:38:53,626 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:38:53,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:38:53,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:38:53,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:38:53,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:38:53,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:38:53,627 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:38:53,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:38:53,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:38:53,627 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_324df715-6760-4df6-a677-ec94f2dd29cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a882266f214f7bbe3e2aa4aa7afa01c1567a6c47ab95da663021c70813ff8b [2022-12-14 22:38:53,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:38:53,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:38:53,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:38:53,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:38:53,819 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:38:53,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2022-12-14 22:38:56,307 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:38:56,515 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:38:56,516 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2022-12-14 22:38:56,529 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/data/623a954ed/08a556e3ef0b473f824b6e4f86988c64/FLAG2fbeacecc [2022-12-14 22:38:56,541 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/data/623a954ed/08a556e3ef0b473f824b6e4f86988c64 [2022-12-14 22:38:56,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:38:56,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:38:56,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:38:56,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:38:56,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:38:56,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:38:56" (1/1) ... [2022-12-14 22:38:56,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169a9aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:56, skipping insertion in model container [2022-12-14 22:38:56,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:38:56" (1/1) ... [2022-12-14 22:38:56,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:38:56,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:38:56,746 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_324df715-6760-4df6-a677-ec94f2dd29cd/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2022-12-14 22:38:56,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:38:56,983 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:38:57,000 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_324df715-6760-4df6-a677-ec94f2dd29cd/sv-benchmarks/c/eca-rers2012/Problem11_label44.c[3841,3854] [2022-12-14 22:38:57,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:38:57,124 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:38:57,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57 WrapperNode [2022-12-14 22:38:57,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:38:57,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:38:57,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:38:57,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:38:57,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,205 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 22:38:57,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:38:57,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:38:57,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:38:57,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:38:57,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:38:57,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:38:57,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:38:57,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:38:57,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:38:57" (1/1) ... [2022-12-14 22:38:57,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:38:57,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:38:57,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:38:57,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:38:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:38:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:38:57,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:38:57,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:38:57,385 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:38:57,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:38:58,550 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:39:02,462 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:39:02,463 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:39:02,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:39:02 BoogieIcfgContainer [2022-12-14 22:39:02,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:39:02,465 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:39:02,465 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:39:02,472 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:39:02,472 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:39:02" (1/1) ... [2022-12-14 22:39:02,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:39:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 22:39:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 22:39:02,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:39:02,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:02,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:02,646 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 22:39:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 22:39:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 22:39:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:39:02,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:02,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:30,478 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 22:39:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:30,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 22:39:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 22:39:30,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:39:30,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:30,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:59,061 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 22:41:01,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 22:41:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:41:01,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2022-12-14 22:41:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2022-12-14 22:41:01,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:41:01,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:41:01,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:41:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:42:27,925 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 22:42:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:42:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2022-12-14 22:42:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2022-12-14 22:42:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:42:28,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:42:28,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:42:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:47,646 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 22:43:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2022-12-14 22:43:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2022-12-14 22:43:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:43:48,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:48,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:45:06,673 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 22:45:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:45:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-12-14 22:45:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-12-14 22:45:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:45:06,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:45:06,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:45:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:24,643 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 22:46:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2022-12-14 22:46:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2022-12-14 22:46:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:46:24,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:24,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:47:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 22:47:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:47:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2022-12-14 22:47:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2022-12-14 22:47:23,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:47:23,378 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 22:47:23,382 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:47:23,872 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-12-14 22:47:23,882 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-12-14 22:47:23,883 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:47:23,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:47:23 ImpRootNode [2022-12-14 22:47:23,884 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:47:23,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:47:23,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:47:23,885 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:47:23,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:39:02" (3/4) ... [2022-12-14 22:47:23,888 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:47:23,908 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-14 22:47:23,910 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 22:47:23,912 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 22:47:23,913 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:47:24,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:47:24,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:47:24,016 INFO L158 Benchmark]: Toolchain (without parser) took 507471.33ms. Allocated memory was 113.2MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 75.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 562.2MB. Max. memory is 16.1GB. [2022-12-14 22:47:24,016 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory was 89.1MB in the beginning and 89.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:47:24,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.05ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 75.9MB in the beginning and 103.0MB in the end (delta: -27.2MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2022-12-14 22:47:24,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.53ms. Allocated memory is still 144.7MB. Free memory was 103.0MB in the beginning and 86.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 22:47:24,017 INFO L158 Benchmark]: Boogie Preprocessor took 66.96ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 77.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 22:47:24,017 INFO L158 Benchmark]: RCFGBuilder took 5191.56ms. Allocated memory was 144.7MB in the beginning and 729.8MB in the end (delta: 585.1MB). Free memory was 77.0MB in the beginning and 312.8MB in the end (delta: -235.8MB). Peak memory consumption was 478.9MB. Max. memory is 16.1GB. [2022-12-14 22:47:24,018 INFO L158 Benchmark]: CodeCheck took 501418.76ms. Allocated memory was 729.8MB in the beginning and 2.3GB in the end (delta: 1.6GB). Free memory was 312.8MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. [2022-12-14 22:47:24,018 INFO L158 Benchmark]: Witness Printer took 130.68ms. Allocated memory is still 2.3GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 22:47:24,019 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: 500.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 15.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 313 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 15.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 905 IncrementalHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 142 mSDtfsCounter, 905 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1117 GetRequests, 1001 SyntacticMatches, 48 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2156 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 491.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1791 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 94]: 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: 1044]: Loop Invariant Derived loop invariant: ((((((a29 <= 140 || 246 <= a29) || a25 <= 8) && a3 == 1) && a8 == 15) || ((10 <= a25 && a3 == 1) && a8 == 15)) || ((((307 <= a23 || a23 <= 138) || !(a4 == 1)) && a3 == 1) && a8 == 15)) || (((((10 <= a25 && a25 <= 10) && a4 == 1) && a23 <= 312) && 312 <= a23) && a29 <= 130) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((a3 == 1 && a8 == 15) && ((((((!(a29 <= 245) || a29 <= 140) || 9 < a25) || a23 <= 138) || 306 < a23) || !(a4 == 1)) || a25 <= 8)) || (((((10 <= a25 && a25 <= 10) && a4 == 1) && a23 <= 312) && 312 <= a23) && a29 <= 130) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 113.2MB. Free memory was 89.1MB in the beginning and 89.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.05ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 75.9MB in the beginning and 103.0MB in the end (delta: -27.2MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.53ms. Allocated memory is still 144.7MB. Free memory was 103.0MB in the beginning and 86.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.96ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 77.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5191.56ms. Allocated memory was 144.7MB in the beginning and 729.8MB in the end (delta: 585.1MB). Free memory was 77.0MB in the beginning and 312.8MB in the end (delta: -235.8MB). Peak memory consumption was 478.9MB. Max. memory is 16.1GB. * CodeCheck took 501418.76ms. Allocated memory was 729.8MB in the beginning and 2.3GB in the end (delta: 1.6GB). Free memory was 312.8MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. * Witness Printer took 130.68ms. Allocated memory is still 2.3GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:47:24,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_324df715-6760-4df6-a677-ec94f2dd29cd/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