./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.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_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/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_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/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_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/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 d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 --- 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 20:48:32,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:48:32,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:48:32,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:48:32,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:48:32,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:48:32,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:48:32,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:48:32,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:48:32,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:48:32,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:48:32,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:48:32,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:48:32,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:48:32,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:48:32,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:48:32,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:48:32,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:48:32,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:48:32,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:48:32,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:48:32,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:48:32,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:48:32,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:48:32,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:48:32,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:48:32,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:48:32,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:48:32,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:48:32,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:48:32,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:48:32,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:48:32,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:48:32,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:48:32,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:48:32,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:48:32,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:48:32,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:48:32,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:48:32,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:48:32,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:48:32,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:48:32,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:48:32,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:48:32,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:48:32,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:48:32,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:48:32,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:48:32,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:48:32,713 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:48:32,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:48:32,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:48:32,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:48:32,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:48:32,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:48:32,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:48:32,714 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:48:32,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:48:32,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:48:32,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:48:32,714 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:48:32,714 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:48:32,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:48:32,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:48:32,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:48:32,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:48:32,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:48:32,715 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:48:32,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:48:32,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:48:32,715 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_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d275ae72fa22fefb6f99ff85ffd06b7323c3e625d2728e4b56df52786497f790 [2022-12-14 20:48:32,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:48:32,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:48:32,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:48:32,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:48:32,945 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:48:32,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2022-12-14 20:48:35,554 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:48:35,790 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:48:35,791 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2022-12-14 20:48:35,803 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/data/53749d28e/1cfa747f394b421385a343dd091a5835/FLAG4071a39db [2022-12-14 20:48:35,815 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/data/53749d28e/1cfa747f394b421385a343dd091a5835 [2022-12-14 20:48:35,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:48:35,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:48:35,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:48:35,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:48:35,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:48:35,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:48:35" (1/1) ... [2022-12-14 20:48:35,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fb4929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:35, skipping insertion in model container [2022-12-14 20:48:35,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:48:35" (1/1) ... [2022-12-14 20:48:35,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:48:35,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:48:36,011 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_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2022-12-14 20:48:36,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:48:36,203 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:48:36,215 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_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/sv-benchmarks/c/eca-rers2012/Problem11_label07.c[3406,3419] [2022-12-14 20:48:36,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:48:36,320 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:48:36,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36 WrapperNode [2022-12-14 20:48:36,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:48:36,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:48:36,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:48:36,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:48:36,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,420 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 20:48:36,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:48:36,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:48:36,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:48:36,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:48:36,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:48:36,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:48:36,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:48:36,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:48:36,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:48:36" (1/1) ... [2022-12-14 20:48:36,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:48:36,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:48:36,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:48:36,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:48:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:48:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:48:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:48:36,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:48:36,654 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:48:36,656 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:48:37,842 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:48:41,693 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:48:41,694 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:48:41,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:48:41 BoogieIcfgContainer [2022-12-14 20:48:41,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:48:41,696 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:48:41,696 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:48:41,702 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:48:41,703 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:48:41" (1/1) ... [2022-12-14 20:48:41,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:48:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:48:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 20:48:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 20:48:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:48:41,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:48:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:48:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:48:41,875 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 20:48:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:48:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 20:48:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 20:48:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:48:42,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:48:42,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:48:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:49:09,062 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 20:49:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:49:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 20:49:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 20:49:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:49:09,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:49:09,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:49:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:50:22,254 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 20:50:24,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:50:35,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:50:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:50:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2022-12-14 20:50:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2022-12-14 20:50:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:50:35,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:50:35,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:50:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:47,854 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 20:51:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2022-12-14 20:51:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-12-14 20:51:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:51:48,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:48,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:54:11,561 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 20:54:13,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:54:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 38 states and 80 transitions. [2022-12-14 20:54:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 80 transitions. [2022-12-14 20:54:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:54:13,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:54:13,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:54:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:56:39,877 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 20:56:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:56:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 89 transitions. [2022-12-14 20:56:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 89 transitions. [2022-12-14 20:56:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:56:40,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:56:40,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:56:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:03,739 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 20:59:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2022-12-14 20:59:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2022-12-14 20:59:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:59:04,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 20:59:56,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 35 states and 72 transitions. [2022-12-14 20:59:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2022-12-14 20:59:56,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:59:56,880 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 20:59:56,884 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 20:59:57,206 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2022-12-14 20:59:57,215 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-12-14 20:59:57,216 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:59:57,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:59:57 ImpRootNode [2022-12-14 20:59:57,216 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:59:57,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:59:57,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:59:57,216 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:59:57,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:48:41" (3/4) ... [2022-12-14 20:59:57,219 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:59:57,231 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-14 20:59:57,232 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 20:59:57,233 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 20:59:57,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:59:57,309 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:59:57,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:59:57,310 INFO L158 Benchmark]: Toolchain (without parser) took 681492.06ms. Allocated memory was 155.2MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 118.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-12-14 20:59:57,310 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:59:57,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.64ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 74.1MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-14 20:59:57,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.60ms. Allocated memory is still 155.2MB. Free memory was 74.1MB in the beginning and 114.1MB in the end (delta: -40.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-12-14 20:59:57,311 INFO L158 Benchmark]: Boogie Preprocessor took 106.80ms. Allocated memory was 155.2MB in the beginning and 234.9MB in the end (delta: 79.7MB). Free memory was 114.1MB in the beginning and 186.5MB in the end (delta: -72.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-12-14 20:59:57,311 INFO L158 Benchmark]: RCFGBuilder took 5166.75ms. Allocated memory was 234.9MB in the beginning and 593.5MB in the end (delta: 358.6MB). Free memory was 186.5MB in the beginning and 381.4MB in the end (delta: -194.9MB). Peak memory consumption was 415.4MB. Max. memory is 16.1GB. [2022-12-14 20:59:57,311 INFO L158 Benchmark]: CodeCheck took 675519.97ms. Allocated memory was 593.5MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 381.4MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 853.2MB. Max. memory is 16.1GB. [2022-12-14 20:59:57,312 INFO L158 Benchmark]: Witness Printer took 93.34ms. Allocated memory is still 2.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:59:57,313 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: 675.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 377 SdHoareTripleChecker+Valid, 85.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 325 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 84.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 216 mSDsCounter, 165 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 992 IncrementalHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 165 mSolverCounterUnsat, 140 mSDtfsCounter, 992 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1149 GetRequests, 1026 SyntacticMatches, 45 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2751 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 654.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 2038 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 24/122 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 85]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((a3 == 1 && !(a4 == 1)) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a29 <= 140 || a25 <= 11) || 246 <= a29) || 0 <= a23 + 42) || 13 <= a25)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((a3 == 1 && a8 == 15) && (((((!(a29 <= 245) || a29 <= 140) || a25 <= 11) || !(a23 + 43 <= 0)) || !(a4 == 1)) || !(a25 <= 12))) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.64ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 74.1MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.60ms. Allocated memory is still 155.2MB. Free memory was 74.1MB in the beginning and 114.1MB in the end (delta: -40.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.80ms. Allocated memory was 155.2MB in the beginning and 234.9MB in the end (delta: 79.7MB). Free memory was 114.1MB in the beginning and 186.5MB in the end (delta: -72.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5166.75ms. Allocated memory was 234.9MB in the beginning and 593.5MB in the end (delta: 358.6MB). Free memory was 186.5MB in the beginning and 381.4MB in the end (delta: -194.9MB). Peak memory consumption was 415.4MB. Max. memory is 16.1GB. * CodeCheck took 675519.97ms. Allocated memory was 593.5MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 381.4MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 853.2MB. Max. memory is 16.1GB. * Witness Printer took 93.34ms. Allocated memory is still 2.5GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:59:57,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8148bb31-5af6-4ef4-b162-ecba93ecb2fc/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