./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label15.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_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/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_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/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_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/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 aacc76a5b8f972927524a85f8ea4b99cc049d27f5d90192cb961dbf1fd5d0c86 --- 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 20:47:07,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:47:07,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:47:07,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:47:07,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:47:07,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:47:07,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:47:07,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:47:07,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:47:07,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:47:07,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:47:07,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:47:07,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:47:07,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:47:07,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:47:07,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:47:07,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:47:07,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:47:07,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:47:07,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:47:07,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:47:07,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:47:07,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:47:07,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:47:07,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:47:07,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:47:07,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:47:07,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:47:07,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:47:07,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:47:07,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:47:07,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:47:07,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:47:07,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:47:07,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:47:07,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:47:07,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:47:07,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:47:07,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:47:07,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:47:07,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:47:07,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:47:07,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:47:07,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:47:07,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:47:07,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:47:07,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:47:07,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:47:07,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:47:07,462 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:47:07,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:47:07,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:47:07,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:47:07,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:47:07,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:47:07,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:47:07,462 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:47:07,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:47:07,463 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:47:07,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:47:07,463 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:47:07,463 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:47:07,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:47:07,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:47:07,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:47:07,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:47:07,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:47:07,464 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:47:07,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:47:07,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:47:07,464 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_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aacc76a5b8f972927524a85f8ea4b99cc049d27f5d90192cb961dbf1fd5d0c86 [2022-12-14 20:47:07,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:47:07,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:47:07,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:47:07,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:47:07,646 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:47:07,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem14_label15.c [2022-12-14 20:47:10,194 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:47:10,362 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:47:10,363 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/sv-benchmarks/c/eca-rers2012/Problem14_label15.c [2022-12-14 20:47:10,373 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/data/0592ab7f9/e4a53cc31bc74ed7af71083f5fbd9cc0/FLAG5b866b51a [2022-12-14 20:47:10,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/data/0592ab7f9/e4a53cc31bc74ed7af71083f5fbd9cc0 [2022-12-14 20:47:10,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:47:10,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:47:10,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:47:10,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:47:10,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:47:10,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e2b4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10, skipping insertion in model container [2022-12-14 20:47:10,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:47:10,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:47:10,564 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_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/sv-benchmarks/c/eca-rers2012/Problem14_label15.c[6619,6632] [2022-12-14 20:47:10,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:47:10,681 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:47:10,700 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_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/sv-benchmarks/c/eca-rers2012/Problem14_label15.c[6619,6632] [2022-12-14 20:47:10,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:47:10,772 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:47:10,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10 WrapperNode [2022-12-14 20:47:10,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:47:10,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:47:10,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:47:10,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:47:10,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,854 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-14 20:47:10,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:47:10,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:47:10,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:47:10,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:47:10,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,912 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:47:10,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:47:10,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:47:10,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:47:10,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:10" (1/1) ... [2022-12-14 20:47:10,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:47:10,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:47:10,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:47:10,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:47:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:47:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:47:10,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:47:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:47:11,054 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:47:11,056 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:47:11,930 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:47:14,204 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:47:14,204 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:47:14,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:47:14 BoogieIcfgContainer [2022-12-14 20:47:14,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:47:14,207 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:47:14,207 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:47:14,214 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:47:14,214 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:47:14" (1/1) ... [2022-12-14 20:47:14,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:47:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:47:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 20:47:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 20:47:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:47:14,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:47:14,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:47:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:47:14,444 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 20:47:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:47:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 20:47:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 20:47:14,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:47:14,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:47:14,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:47:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:47:29,428 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 20:47:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:47:29,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-14 20:47:29,732 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-14 20:47:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:47:29,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:47:29,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:47:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:48:02,968 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 20:48:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:48:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2022-12-14 20:48:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2022-12-14 20:48:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:48:03,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:48:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:48:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:49:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:49:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:49:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2022-12-14 20:49:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-12-14 20:49:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:49:02,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:49:02,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:49:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:50:00,170 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:50:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:50:00,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 78 transitions. [2022-12-14 20:50:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2022-12-14 20:50:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:50:00,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:50:00,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:50:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:50:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:50:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:50:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2022-12-14 20:50:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2022-12-14 20:50:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:50:58,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:50:58,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:50:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:20,926 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 20:51:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2022-12-14 20:51:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2022-12-14 20:51:21,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:51:21,239 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 20:51:21,245 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 20:51:21,407 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2022-12-14 20:51:21,413 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:51:21,413 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-12-14 20:51:21,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:51:21 ImpRootNode [2022-12-14 20:51:21,414 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:51:21,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:51:21,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:51:21,414 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:51:21,415 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:47:14" (3/4) ... [2022-12-14 20:51:21,417 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:51:21,429 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 223 nodes and edges [2022-12-14 20:51:21,430 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 20:51:21,431 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 20:51:21,432 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:51:21,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:51:21,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:51:21,504 INFO L158 Benchmark]: Toolchain (without parser) took 251117.99ms. Allocated memory was 130.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 91.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 249.6MB. Max. memory is 16.1GB. [2022-12-14 20:51:21,505 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:51:21,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.13ms. Allocated memory is still 130.0MB. Free memory was 91.6MB in the beginning and 59.2MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 20:51:21,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.72ms. Allocated memory is still 130.0MB. Free memory was 59.2MB in the beginning and 97.3MB in the end (delta: -38.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-12-14 20:51:21,505 INFO L158 Benchmark]: Boogie Preprocessor took 72.60ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 97.2MB in the beginning and 130.2MB in the end (delta: -33.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:51:21,505 INFO L158 Benchmark]: RCFGBuilder took 3277.46ms. Allocated memory was 167.8MB in the beginning and 400.6MB in the end (delta: 232.8MB). Free memory was 130.2MB in the beginning and 131.6MB in the end (delta: -1.4MB). Peak memory consumption was 232.1MB. Max. memory is 16.1GB. [2022-12-14 20:51:21,506 INFO L158 Benchmark]: CodeCheck took 247207.21ms. Allocated memory was 400.6MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 131.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-12-14 20:51:21,506 INFO L158 Benchmark]: Witness Printer took 89.96ms. Allocated memory is still 1.5GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:51:21,507 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: 247.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 847 IncrementalHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 115 mSDtfsCounter, 847 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 944 GetRequests, 837 SyntacticMatches, 19 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3963 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 243.0s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 1128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 36/112 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: 209]: 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: 30]: Loop Invariant Derived loop invariant: ((((a12 <= 80 || !(a15 <= 5)) || !(a24 == 1)) || a21 <= 6) || a15 <= 4) || !(a21 <= 7) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((6 <= a15 || a12 <= 80) || !(a24 == 1)) || a21 <= 6) || a15 <= 4) || 8 <= a21 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.13ms. Allocated memory is still 130.0MB. Free memory was 91.6MB in the beginning and 59.2MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.72ms. Allocated memory is still 130.0MB. Free memory was 59.2MB in the beginning and 97.3MB in the end (delta: -38.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.60ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 97.2MB in the beginning and 130.2MB in the end (delta: -33.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3277.46ms. Allocated memory was 167.8MB in the beginning and 400.6MB in the end (delta: 232.8MB). Free memory was 130.2MB in the beginning and 131.6MB in the end (delta: -1.4MB). Peak memory consumption was 232.1MB. Max. memory is 16.1GB. * CodeCheck took 247207.21ms. Allocated memory was 400.6MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 131.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 89.96ms. Allocated memory is still 1.5GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:51:21,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0ab5c-9c27-44f9-b488-c67cd8a128f4/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