./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.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_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/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_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/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_3e6da917-a370-4830-a775-9569a222bcd2/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 d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 --- 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 20:44:47,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:44:47,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:44:47,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:44:47,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:44:47,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:44:47,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:44:47,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:44:47,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:44:47,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:44:47,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:44:47,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:44:47,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:44:47,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:44:47,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:44:47,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:44:47,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:44:47,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:44:47,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:44:47,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:44:47,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:44:47,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:44:47,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:44:47,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:44:47,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:44:47,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:44:47,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:44:47,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:44:47,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:44:47,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:44:47,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:44:47,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:44:47,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:44:47,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:44:47,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:44:47,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:44:47,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:44:47,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:44:47,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:44:47,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:44:47,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:44:47,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:44:47,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:44:47,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:44:47,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:44:47,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:44:47,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:44:47,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:44:47,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:44:47,345 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:44:47,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:44:47,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:44:47,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:44:47,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:44:47,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:44:47,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:44:47,346 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:44:47,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:44:47,346 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:44:47,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:44:47,347 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:44:47,347 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:44:47,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:44:47,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:44:47,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:44:47,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:44:47,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:44:47,348 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:44:47,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:44:47,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:44:47,348 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_3e6da917-a370-4830-a775-9569a222bcd2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 [2022-12-14 20:44:47,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:44:47,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:44:47,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:44:47,558 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:44:47,558 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:44:47,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2022-12-14 20:44:50,309 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:44:50,515 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:44:50,516 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2022-12-14 20:44:50,529 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/data/12ee547e6/2684570047e8469d8eb5aa0629fab7e3/FLAGf451e9d6a [2022-12-14 20:44:50,541 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/data/12ee547e6/2684570047e8469d8eb5aa0629fab7e3 [2022-12-14 20:44:50,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:44:50,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:44:50,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:44:50,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:44:50,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:44:50,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:50,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ec62d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50, skipping insertion in model container [2022-12-14 20:44:50,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:50,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:44:50,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:44:50,754 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_3e6da917-a370-4830-a775-9569a222bcd2/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2022-12-14 20:44:50,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:44:50,883 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:44:50,905 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_3e6da917-a370-4830-a775-9569a222bcd2/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2022-12-14 20:44:50,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:44:50,985 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:44:50,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50 WrapperNode [2022-12-14 20:44:50,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:44:50,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:44:50,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:44:50,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:44:50,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,056 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-14 20:44:51,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:44:51,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:44:51,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:44:51,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:44:51,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,110 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:44:51,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:44:51,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:44:51,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:44:51,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:50" (1/1) ... [2022-12-14 20:44:51,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:44:51,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:44:51,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:44:51,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:44:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:44:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:44:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:44:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:44:51,279 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:44:51,281 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:44:52,100 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:44:53,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:44:53,793 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:44:53,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:44:53 BoogieIcfgContainer [2022-12-14 20:44:53,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:44:53,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:44:53,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:44:53,802 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:44:53,802 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:44:53" (1/1) ... [2022-12-14 20:44:53,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:44:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:53,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 20:44:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 20:44:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:44:53,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:54,057 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 20:44:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-12-14 20:44:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-12-14 20:44:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:44:54,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:54,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:00,480 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 20:45:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-12-14 20:45:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-12-14 20:45:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:45:00,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:45:00,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:14,109 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 20:45:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2022-12-14 20:45:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2022-12-14 20:45:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:45:15,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:45:15,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:26,907 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 20:45:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:26,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2022-12-14 20:45:26,986 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2022-12-14 20:45:26,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:45:26,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:45:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:45:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:37,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2022-12-14 20:45:37,540 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2022-12-14 20:45:37,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:45:37,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:45:37,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:45:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2022-12-14 20:45:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2022-12-14 20:45:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:45:47,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:45:47,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:45:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:45:58,888 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 20:45:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:45:59,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2022-12-14 20:45:59,162 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2022-12-14 20:45:59,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:45:59,162 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 20:45:59,167 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 20:45:59,406 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-14 20:45:59,414 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-12-14 20:45:59,415 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:45:59,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:45:59 ImpRootNode [2022-12-14 20:45:59,415 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:45:59,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:45:59,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:45:59,416 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:45:59,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:44:53" (3/4) ... [2022-12-14 20:45:59,418 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:45:59,430 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2022-12-14 20:45:59,430 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-14 20:45:59,431 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 20:45:59,431 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:45:59,514 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:45:59,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:45:59,515 INFO L158 Benchmark]: Toolchain (without parser) took 68970.38ms. Allocated memory was 134.2MB in the beginning and 1.0GB in the end (delta: 893.4MB). Free memory was 96.1MB in the beginning and 393.4MB in the end (delta: -297.3MB). Peak memory consumption was 598.2MB. Max. memory is 16.1GB. [2022-12-14 20:45:59,515 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:45:59,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.65ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 68.0MB in the end (delta: 27.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 20:45:59,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.71ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 60.0MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 20:45:59,516 INFO L158 Benchmark]: Boogie Preprocessor took 68.19ms. Allocated memory is still 134.2MB. Free memory was 60.0MB in the beginning and 55.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 20:45:59,517 INFO L158 Benchmark]: RCFGBuilder took 2668.90ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 55.0MB in the beginning and 71.7MB in the end (delta: -16.8MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. [2022-12-14 20:45:59,517 INFO L158 Benchmark]: CodeCheck took 65619.99ms. Allocated memory was 209.7MB in the beginning and 1.0GB in the end (delta: 817.9MB). Free memory was 70.7MB in the beginning and 404.0MB in the end (delta: -333.4MB). Peak memory consumption was 484.5MB. Max. memory is 16.1GB. [2022-12-14 20:45:59,517 INFO L158 Benchmark]: Witness Printer took 98.55ms. Allocated memory is still 1.0GB. Free memory was 404.0MB in the beginning and 393.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:45:59,520 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: 65.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 278 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 242 mSDsluCounter, 247 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 714 IncrementalHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 101 mSDtfsCounter, 714 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 942 GetRequests, 810 SyntacticMatches, 48 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3441 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 62.1s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 1126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 60/101 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: 164]: 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: (((0 <= a1 + 12 || !(a10 == 3)) && 14 == a4) && a12 == 0) || (((a19 <= 7 || 9 <= a19) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && (((0 <= a1 + 12 || a19 <= 7) || !(a10 == 3)) || !(a19 <= 8))) && 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 0.21ms. Allocated memory is still 134.2MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.65ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 68.0MB in the end (delta: 27.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.71ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 60.0MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.19ms. Allocated memory is still 134.2MB. Free memory was 60.0MB in the beginning and 55.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2668.90ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 55.0MB in the beginning and 71.7MB in the end (delta: -16.8MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. * CodeCheck took 65619.99ms. Allocated memory was 209.7MB in the beginning and 1.0GB in the end (delta: 817.9MB). Free memory was 70.7MB in the beginning and 404.0MB in the end (delta: -333.4MB). Peak memory consumption was 484.5MB. Max. memory is 16.1GB. * Witness Printer took 98.55ms. Allocated memory is still 1.0GB. Free memory was 404.0MB in the beginning and 393.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:45:59,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e6da917-a370-4830-a775-9569a222bcd2/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