./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label33.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_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/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_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/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_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/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 ba2534bfbb3b7fef6d384d90d6e700886914eb65b2774fd30412c09b1975a4a3 --- 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 [2022-12-15 01:00:27,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:00:27,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:00:27,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:00:27,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:00:27,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:00:27,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:00:27,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:00:27,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:00:27,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:00:27,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:00:27,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:00:27,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:00:27,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:00:27,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:00:27,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:00:27,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:00:27,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:00:27,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:00:27,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:00:27,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:00:27,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:00:27,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:00:27,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:00:27,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:00:27,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:00:27,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:00:27,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:00:27,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:00:27,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:00:27,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:00:27,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:00:27,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:00:27,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:00:27,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:00:27,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:00:27,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:00:27,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:00:27,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:00:27,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:00:27,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:00:27,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:00:27,176 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:00:27,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:00:27,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:00:27,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:00:27,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:00:27,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:00:27,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:00:27,178 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:00:27,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:00:27,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:00:27,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:00:27,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:00:27,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:00:27,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:00:27,179 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:00:27,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:00:27,179 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:00:27,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:00:27,180 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:00:27,180 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:00:27,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:00:27,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:00:27,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:00:27,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:00:27,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:00:27,181 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:00:27,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:00:27,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:00:27,181 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_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba2534bfbb3b7fef6d384d90d6e700886914eb65b2774fd30412c09b1975a4a3 [2022-12-15 01:00:27,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:00:27,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:00:27,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:00:27,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:00:27,400 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:00:27,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label33.c [2022-12-15 01:00:29,872 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:00:30,070 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:00:30,070 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/sv-benchmarks/c/eca-rers2012/Problem10_label33.c [2022-12-15 01:00:30,080 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/data/c38cc2f5f/4d57f7672da74cabbbabc2c1b0d3f531/FLAG93dbc5bc7 [2022-12-15 01:00:30,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/data/c38cc2f5f/4d57f7672da74cabbbabc2c1b0d3f531 [2022-12-15 01:00:30,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:00:30,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:00:30,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:00:30,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:00:30,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:00:30,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7c40ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30, skipping insertion in model container [2022-12-15 01:00:30,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:00:30,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:00:30,300 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_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/sv-benchmarks/c/eca-rers2012/Problem10_label33.c[5127,5140] [2022-12-15 01:00:30,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:00:30,427 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:00:30,448 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_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/sv-benchmarks/c/eca-rers2012/Problem10_label33.c[5127,5140] [2022-12-15 01:00:30,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:00:30,526 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:00:30,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30 WrapperNode [2022-12-15 01:00:30,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:00:30,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:00:30,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:00:30,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:00:30,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,596 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-15 01:00:30,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:00:30,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:00:30,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:00:30,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:00:30,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:00:30,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:00:30,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:00:30,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:00:30,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:00:30" (1/1) ... [2022-12-15 01:00:30,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:00:30,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:00:30,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:00:30,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:00:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:00:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:00:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:00:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:00:30,774 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:00:30,776 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:00:31,563 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:00:32,947 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:00:32,947 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:00:32,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:00:32 BoogieIcfgContainer [2022-12-15 01:00:32,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:00:32,949 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:00:32,950 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:00:32,956 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:00:32,956 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:00:32" (1/1) ... [2022-12-15 01:00:32,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:00:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:00:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 01:00:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 01:00:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:00:32,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:00:32,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:00:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:00:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:00:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:00:33,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 01:00:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 01:00:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:00:33,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:00:33,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:00:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:00:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:00:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:00:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-15 01:00:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-15 01:00:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:00:40,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:00:40,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:00:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:00:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:00:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:00:52,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2022-12-15 01:00:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2022-12-15 01:00:52,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:00:52,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:00:52,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:00:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:01:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:01:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:01:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2022-12-15 01:01:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2022-12-15 01:01:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:01:03,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:01:03,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:01:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:01:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:01:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:01:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2022-12-15 01:01:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2022-12-15 01:01:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:01:13,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:01:13,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:01:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:01:22,086 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:01:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:01:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2022-12-15 01:01:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2022-12-15 01:01:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:01:22,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:01:22,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:01:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:01:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:01:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:01:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2022-12-15 01:01:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-12-15 01:01:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:01:31,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:01:31,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:01:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:01:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-15 01:01:42,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:01:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2022-12-15 01:01:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2022-12-15 01:01:42,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:01:42,272 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 01:01:42,277 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 01:01:42,474 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2022-12-15 01:01:42,483 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:01:42,483 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2022-12-15 01:01:42,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:01:42 ImpRootNode [2022-12-15 01:01:42,484 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:01:42,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:01:42,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:01:42,485 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:01:42,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:00:32" (3/4) ... [2022-12-15 01:01:42,487 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:01:42,498 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 183 nodes and edges [2022-12-15 01:01:42,499 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-15 01:01:42,499 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 01:01:42,500 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:01:42,563 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:01:42,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:01:42,563 INFO L158 Benchmark]: Toolchain (without parser) took 72465.62ms. Allocated memory was 144.7MB in the beginning and 1.1GB in the end (delta: 912.3MB). Free memory was 112.0MB in the beginning and 799.9MB in the end (delta: -687.8MB). Peak memory consumption was 224.9MB. Max. memory is 16.1GB. [2022-12-15 01:01:42,564 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:01:42,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.29ms. Allocated memory is still 144.7MB. Free memory was 112.0MB in the beginning and 83.8MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-15 01:01:42,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.10ms. Allocated memory is still 144.7MB. Free memory was 83.8MB in the beginning and 75.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 01:01:42,564 INFO L158 Benchmark]: Boogie Preprocessor took 63.26ms. Allocated memory is still 144.7MB. Free memory was 75.9MB in the beginning and 71.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:01:42,564 INFO L158 Benchmark]: RCFGBuilder took 2288.37ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 71.2MB in the beginning and 55.1MB in the end (delta: 16.1MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2022-12-15 01:01:42,565 INFO L158 Benchmark]: CodeCheck took 69534.57ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 847.2MB). Free memory was 55.1MB in the beginning and 810.4MB in the end (delta: -755.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2022-12-15 01:01:42,565 INFO L158 Benchmark]: Witness Printer took 78.70ms. Allocated memory is still 1.1GB. Free memory was 810.4MB in the beginning and 799.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:01:42,566 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: 69.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 273 mSDsluCounter, 308 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 732 IncrementalHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 124 mSDtfsCounter, 732 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1073 GetRequests, 929 SyntacticMatches, 60 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3098 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 65.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 146]: 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: ((((219 <= a1 && 14 == a4) && a12 == 0) || ((8 <= a19 && 14 == a4) && a12 == 0)) || ((a19 <= 6 && 14 == a4) && a12 == 0)) || ((14 == a4 && (a1 <= 36 || !(a10 == 3))) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && ((!(7 == a19) || !(a1 <= 218)) || !(a10 == 3)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.29ms. Allocated memory is still 144.7MB. Free memory was 112.0MB in the beginning and 83.8MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.10ms. Allocated memory is still 144.7MB. Free memory was 83.8MB in the beginning and 75.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.26ms. Allocated memory is still 144.7MB. Free memory was 75.9MB in the beginning and 71.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2288.37ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 71.2MB in the beginning and 55.1MB in the end (delta: 16.1MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. * CodeCheck took 69534.57ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 847.2MB). Free memory was 55.1MB in the beginning and 810.4MB in the end (delta: -755.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * Witness Printer took 78.70ms. Allocated memory is still 1.1GB. Free memory was 810.4MB in the beginning and 799.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:01:42,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1d4b40-4e00-48f5-8ebd-72b604e6f2d2/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