./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.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_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/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_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/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_959b417c-8903-4552-966f-7d9c6460b7d2/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 05304907b173f35ae86ead9bea08abf85c97bbd94fd3cf389c54ce6fac582ae4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:46:41,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:46:41,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:46:41,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:46:41,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:46:41,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:46:41,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:46:41,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:46:41,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:46:41,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:46:41,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:46:41,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:46:41,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:46:41,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:46:41,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:46:41,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:46:41,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:46:41,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:46:41,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:46:41,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:46:41,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:46:41,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:46:41,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:46:41,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:46:41,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:46:41,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:46:41,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:46:41,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:46:41,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:46:41,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:46:41,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:46:41,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:46:41,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:46:41,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:46:41,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:46:41,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:46:41,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:46:41,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:46:41,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:46:41,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:46:41,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:46:41,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:46:41,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:46:41,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:46:41,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:46:41,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:46:41,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:46:41,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:46:41,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:46:41,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:46:41,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:46:41,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:46:41,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:46:41,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:46:41,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:46:41,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:46:41,610 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:46:41,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:46:41,610 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:46:41,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:46:41,611 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:46:41,611 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:46:41,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:46:41,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:46:41,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:46:41,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:46:41,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:46:41,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:46:41,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:46:41,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:46:41,613 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_959b417c-8903-4552-966f-7d9c6460b7d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05304907b173f35ae86ead9bea08abf85c97bbd94fd3cf389c54ce6fac582ae4 [2022-12-14 18:46:41,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:46:41,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:46:41,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:46:41,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:46:41,837 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:46:41,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2022-12-14 18:46:44,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:46:44,546 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:46:44,546 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2022-12-14 18:46:44,553 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/data/036f628a8/7ca5e6d3660a4e79b91278ad5e52b4bc/FLAG8c524a76e [2022-12-14 18:46:44,920 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/data/036f628a8/7ca5e6d3660a4e79b91278ad5e52b4bc [2022-12-14 18:46:44,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:46:44,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:46:44,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:46:44,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:46:44,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:46:44,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:46:44" (1/1) ... [2022-12-14 18:46:44,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a54402b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:44, skipping insertion in model container [2022-12-14 18:46:44,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:46:44" (1/1) ... [2022-12-14 18:46:44,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:46:44,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:46:45,121 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_959b417c-8903-4552-966f-7d9c6460b7d2/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2022-12-14 18:46:45,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:46:45,221 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:46:45,240 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_959b417c-8903-4552-966f-7d9c6460b7d2/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2022-12-14 18:46:45,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:46:45,291 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:46:45,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45 WrapperNode [2022-12-14 18:46:45,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:46:45,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:46:45,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:46:45,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:46:45,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,363 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-14 18:46:45,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:46:45,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:46:45,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:46:45,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:46:45,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,416 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:46:45,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:46:45,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:46:45,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:46:45,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:46:45" (1/1) ... [2022-12-14 18:46:45,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:46:45,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:46:45,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:46:45,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:46:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:46:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:46:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:46:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:46:45,563 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:46:45,565 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:46:46,274 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:46:47,606 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:46:47,606 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:46:47,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:46:47 BoogieIcfgContainer [2022-12-14 18:46:47,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:46:47,609 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:46:47,609 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:46:47,615 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:46:47,615 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:46:47" (1/1) ... [2022-12-14 18:46:47,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:46:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:46:47,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 18:46:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 18:46:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:46:47,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:46:47,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:46:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:46:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:46:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:46:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 18:46:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 18:46:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:46:47,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:46:47,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:46:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:46:55,347 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 18:46:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:46:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-12-14 18:46:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-12-14 18:46:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:46:55,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:46:55,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:46:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:47:11,643 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 18:47:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:47:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2022-12-14 18:47:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2022-12-14 18:47:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:47:12,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:47:12,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:47:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:47:27,836 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 18:47:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:47:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2022-12-14 18:47:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2022-12-14 18:47:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:47:28,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:47:28,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:47:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:47:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:47:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:47:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2022-12-14 18:47:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-12-14 18:47:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:47:38,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:47:38,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:47:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:47:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 18:47:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:47:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2022-12-14 18:47:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2022-12-14 18:47:48,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:47:48,451 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 18:47:48,457 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 18:47:48,675 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-14 18:47:48,683 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-12-14 18:47:48,683 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:47:48,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:47:48 ImpRootNode [2022-12-14 18:47:48,683 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:47:48,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:47:48,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:47:48,684 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:47:48,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:46:47" (3/4) ... [2022-12-14 18:47:48,687 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:47:48,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 183 nodes and edges [2022-12-14 18:47:48,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-14 18:47:48,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 18:47:48,700 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 18:47:48,767 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:47:48,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:47:48,768 INFO L158 Benchmark]: Toolchain (without parser) took 63844.62ms. Allocated memory was 121.6MB in the beginning and 950.0MB in the end (delta: 828.4MB). Free memory was 86.2MB in the beginning and 727.1MB in the end (delta: -640.9MB). Peak memory consumption was 188.9MB. Max. memory is 16.1GB. [2022-12-14 18:47:48,768 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:47:48,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.50ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 58.2MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 18:47:48,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.34ms. Allocated memory is still 121.6MB. Free memory was 58.2MB in the beginning and 50.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 18:47:48,769 INFO L158 Benchmark]: Boogie Preprocessor took 66.01ms. Allocated memory is still 121.6MB. Free memory was 50.2MB in the beginning and 45.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:47:48,769 INFO L158 Benchmark]: RCFGBuilder took 2177.23ms. Allocated memory was 121.6MB in the beginning and 213.9MB in the end (delta: 92.3MB). Free memory was 45.2MB in the beginning and 73.6MB in the end (delta: -28.4MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-12-14 18:47:48,769 INFO L158 Benchmark]: CodeCheck took 61074.81ms. Allocated memory was 213.9MB in the beginning and 950.0MB in the end (delta: 736.1MB). Free memory was 72.6MB in the beginning and 738.6MB in the end (delta: -666.0MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2022-12-14 18:47:48,769 INFO L158 Benchmark]: Witness Printer took 83.55ms. Allocated memory is still 950.0MB. Free memory was 737.6MB in the beginning and 727.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:47:48,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 582 IncrementalHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 88 mSDtfsCounter, 582 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 755 GetRequests, 647 SyntacticMatches, 28 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2803 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 57.7s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 24/65 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: 197]: 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: (((7 <= a19 && 14 == a4) && a12 == 0) || (((0 <= a1 + 12 || a19 <= 5) && 14 == a4) && a12 == 0)) || ((14 == a4 && a12 == 0) && !(a10 == 3)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a19 <= 5 || !(a19 <= 6)) || !(a10 == 3)) && 14 == a4) && a12 == 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.50ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 58.2MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.34ms. Allocated memory is still 121.6MB. Free memory was 58.2MB in the beginning and 50.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.01ms. Allocated memory is still 121.6MB. Free memory was 50.2MB in the beginning and 45.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2177.23ms. Allocated memory was 121.6MB in the beginning and 213.9MB in the end (delta: 92.3MB). Free memory was 45.2MB in the beginning and 73.6MB in the end (delta: -28.4MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * CodeCheck took 61074.81ms. Allocated memory was 213.9MB in the beginning and 950.0MB in the end (delta: 736.1MB). Free memory was 72.6MB in the beginning and 738.6MB in the end (delta: -666.0MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Witness Printer took 83.55ms. Allocated memory is still 950.0MB. Free memory was 737.6MB in the beginning and 727.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:47:48,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959b417c-8903-4552-966f-7d9c6460b7d2/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