./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/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_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/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_ae9d12d1-0a55-4ab5-82fb-701931067228/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 6ddf143748f46db32d2f501e86ad4a7fff0470afcb56a7dcfc95fc0d216c0081 --- 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 20:35:01,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:35:01,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:35:01,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:35:01,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:35:01,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:35:01,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:35:01,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:35:01,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:35:01,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:35:01,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:35:01,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:35:01,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:35:01,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:35:01,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:35:01,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:35:01,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:35:01,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:35:01,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:35:01,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:35:01,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:35:01,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:35:01,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:35:01,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:35:01,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:35:01,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:35:01,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:35:01,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:35:01,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:35:01,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:35:01,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:35:01,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:35:01,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:35:01,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:35:01,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:35:01,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:35:01,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:35:01,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:35:01,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:35:01,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:35:01,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:35:01,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:35:01,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:35:01,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:35:01,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:35:01,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:35:01,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:35:01,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:35:01,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:35:01,063 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:35:01,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:35:01,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:35:01,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:35:01,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:35:01,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:35:01,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:35:01,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:35:01,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:35:01,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:35:01,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:35:01,064 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:35:01,064 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:35:01,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:35:01,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:35:01,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:35:01,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:35:01,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:35:01,065 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:35:01,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:35:01,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:35:01,066 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_ae9d12d1-0a55-4ab5-82fb-701931067228/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ddf143748f46db32d2f501e86ad4a7fff0470afcb56a7dcfc95fc0d216c0081 [2022-12-14 20:35:01,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:35:01,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:35:01,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:35:01,248 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:35:01,248 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:35:01,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2022-12-14 20:35:03,873 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:35:04,082 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:35:04,083 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2022-12-14 20:35:04,101 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/data/4e2abbd8f/d8208f0449894a9e837e341ae568502d/FLAG8004dc529 [2022-12-14 20:35:04,114 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/data/4e2abbd8f/d8208f0449894a9e837e341ae568502d [2022-12-14 20:35:04,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:35:04,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:35:04,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:35:04,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:35:04,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:35:04,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189f0712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04, skipping insertion in model container [2022-12-14 20:35:04,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:35:04,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:35:04,307 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_ae9d12d1-0a55-4ab5-82fb-701931067228/sv-benchmarks/c/eca-rers2012/Problem11_label16.c[6270,6283] [2022-12-14 20:35:04,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:35:04,469 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:35:04,488 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_ae9d12d1-0a55-4ab5-82fb-701931067228/sv-benchmarks/c/eca-rers2012/Problem11_label16.c[6270,6283] [2022-12-14 20:35:04,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:35:04,587 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:35:04,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04 WrapperNode [2022-12-14 20:35:04,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:35:04,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:35:04,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:35:04,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:35:04,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,684 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 20:35:04,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:35:04,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:35:04,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:35:04,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:35:04,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:35:04,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:35:04,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:35:04,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:35:04,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:04" (1/1) ... [2022-12-14 20:35:04,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:35:04,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:35:04,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:35:04,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:35:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:35:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:35:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:35:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:35:04,867 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:35:04,869 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:35:06,076 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:35:10,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:35:10,072 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:35:10,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:35:10 BoogieIcfgContainer [2022-12-14 20:35:10,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:35:10,074 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:35:10,075 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:35:10,081 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:35:10,081 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:35:10" (1/1) ... [2022-12-14 20:35:10,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:35:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 20:35:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 20:35:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:35:10,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:10,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:10,313 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 20:35:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 20:35:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 20:35:10,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:35:10,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:10,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:40,697 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 20:35:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2022-12-14 20:35:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-12-14 20:35:41,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 20:35:41,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:41,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:37:08,725 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 20:37:20,016 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 20:37:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:37:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2022-12-14 20:37:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-12-14 20:37:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:37:20,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:37:20,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:37:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:38:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:38:09,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:38:12,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 20:38:22,202 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 20:38:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:38:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2022-12-14 20:38:22,448 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2022-12-14 20:38:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:38:22,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:38:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:38:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:39:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2022-12-14 20:39:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2022-12-14 20:39:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:39:07,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:39:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:39:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:39:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2022-12-14 20:39:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2022-12-14 20:39:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:39:53,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:39:53,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:39:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:40:49,439 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 20:40:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:40:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2022-12-14 20:40:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2022-12-14 20:40:49,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:40:49,664 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-14 20:40:49,668 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 20:40:50,026 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2022-12-14 20:40:50,035 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2022-12-14 20:40:50,035 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:40:50,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:40:50 ImpRootNode [2022-12-14 20:40:50,036 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:40:50,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:40:50,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:40:50,036 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:40:50,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:35:10" (3/4) ... [2022-12-14 20:40:50,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:40:50,052 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-14 20:40:50,053 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 20:40:50,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 20:40:50,055 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:40:50,138 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:40:50,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:40:50,139 INFO L158 Benchmark]: Toolchain (without parser) took 346021.04ms. Allocated memory was 123.7MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 85.4MB in the beginning and 770.3MB in the end (delta: -684.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-12-14 20:40:50,139 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:40:50,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.57ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 40.3MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-14 20:40:50,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.17ms. Allocated memory is still 123.7MB. Free memory was 40.3MB in the beginning and 78.5MB in the end (delta: -38.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-12-14 20:40:50,140 INFO L158 Benchmark]: Boogie Preprocessor took 67.86ms. Allocated memory is still 123.7MB. Free memory was 78.5MB in the beginning and 68.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:40:50,140 INFO L158 Benchmark]: RCFGBuilder took 5320.45ms. Allocated memory was 123.7MB in the beginning and 708.8MB in the end (delta: 585.1MB). Free memory was 68.8MB in the beginning and 385.9MB in the end (delta: -317.1MB). Peak memory consumption was 473.8MB. Max. memory is 16.1GB. [2022-12-14 20:40:50,140 INFO L158 Benchmark]: CodeCheck took 339961.17ms. Allocated memory was 708.8MB in the beginning and 2.1GB in the end (delta: 1.4GB). Free memory was 385.9MB in the beginning and 787.9MB in the end (delta: -402.0MB). Peak memory consumption was 996.8MB. Max. memory is 16.1GB. [2022-12-14 20:40:50,140 INFO L158 Benchmark]: Witness Printer took 102.50ms. Allocated memory is still 2.1GB. Free memory was 787.9MB in the beginning and 770.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:40:50,141 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: 339.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 123.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 286 mSDsluCounter, 319 SdHoareTripleChecker+Invalid, 122.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 796 IncrementalHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 125 mSDtfsCounter, 796 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 975 GetRequests, 879 SyntacticMatches, 36 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1646 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 306.4s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 1320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 60/112 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: 145]: 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: (((a3 == 1 && a8 == 15) && (a29 <= 277 || a25 <= 10)) || ((12 <= a25 && a3 == 1) && a8 == 15)) || (((!(a4 == 1) || 0 <= a23 + 42) && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((!(a25 <= 11) || a29 <= 277) || a25 <= 10) || !(a23 + 43 <= 0)) || !(a4 == 1)) && a3 == 1) && a8 == 15 - 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 0.16ms. Allocated memory is still 123.7MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.57ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 40.3MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.17ms. Allocated memory is still 123.7MB. Free memory was 40.3MB in the beginning and 78.5MB in the end (delta: -38.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.86ms. Allocated memory is still 123.7MB. Free memory was 78.5MB in the beginning and 68.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5320.45ms. Allocated memory was 123.7MB in the beginning and 708.8MB in the end (delta: 585.1MB). Free memory was 68.8MB in the beginning and 385.9MB in the end (delta: -317.1MB). Peak memory consumption was 473.8MB. Max. memory is 16.1GB. * CodeCheck took 339961.17ms. Allocated memory was 708.8MB in the beginning and 2.1GB in the end (delta: 1.4GB). Free memory was 385.9MB in the beginning and 787.9MB in the end (delta: -402.0MB). Peak memory consumption was 996.8MB. Max. memory is 16.1GB. * Witness Printer took 102.50ms. Allocated memory is still 2.1GB. Free memory was 787.9MB in the beginning and 770.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:40:50,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9d12d1-0a55-4ab5-82fb-701931067228/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