./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i --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_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/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_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/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_c7cdbb3d-c03c-4f3c-8750-150fc8475681/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 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 --- 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 03:57:00,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:57:00,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:57:00,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:57:00,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:57:00,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:57:00,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:57:00,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:57:00,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:57:00,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:57:00,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:57:00,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:57:00,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:57:00,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:57:00,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:57:00,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:57:00,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:57:00,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:57:00,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:57:00,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:57:00,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:57:00,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:57:00,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:57:00,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:57:00,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:57:00,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:57:00,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:57:00,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:57:00,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:57:00,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:57:00,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:57:00,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:57:00,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:57:00,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:57:00,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:57:00,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:57:00,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:57:00,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:57:00,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:57:00,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:57:00,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:57:00,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:57:00,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:57:00,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:57:00,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:57:00,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:57:00,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:57:00,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:57:00,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:57:00,371 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:57:00,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:57:00,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:57:00,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:57:00,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:57:00,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:57:00,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:57:00,372 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:57:00,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:57:00,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:57:00,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:57:00,373 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:57:00,373 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:57:00,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:57:00,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:57:00,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:57:00,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:57:00,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:57:00,374 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:57:00,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:57:00,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:57:00,374 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_c7cdbb3d-c03c-4f3c-8750-150fc8475681/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 [2022-12-15 03:57:00,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:57:00,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:57:00,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:57:00,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:57:00,578 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:57:00,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2022-12-15 03:57:03,185 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:57:03,365 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:57:03,366 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2022-12-15 03:57:03,370 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/data/26dc5c0c5/4514191898b440ad9d1174ee046bc3dc/FLAGfc823cd5a [2022-12-15 03:57:03,382 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/data/26dc5c0c5/4514191898b440ad9d1174ee046bc3dc [2022-12-15 03:57:03,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:57:03,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:57:03,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:57:03,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:57:03,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:57:03,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1785ac89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03, skipping insertion in model container [2022-12-15 03:57:03,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:57:03,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:57:03,553 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_c7cdbb3d-c03c-4f3c-8750-150fc8475681/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i[893,906] [2022-12-15 03:57:03,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:57:03,571 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:57:03,580 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_c7cdbb3d-c03c-4f3c-8750-150fc8475681/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i[893,906] [2022-12-15 03:57:03,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:57:03,594 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:57:03,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03 WrapperNode [2022-12-15 03:57:03,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:57:03,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:57:03,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:57:03,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:57:03,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,621 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-12-15 03:57:03,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:57:03,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:57:03,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:57:03,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:57:03,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,639 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:57:03,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:57:03,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:57:03,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:57:03,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:57:03,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:57:03,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:57:03,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:57:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:57:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:57:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:57:03,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:57:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 03:57:03,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 03:57:03,756 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:57:03,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:57:03,861 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:57:03,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:57:03,875 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:57:03,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:57:03 BoogieIcfgContainer [2022-12-15 03:57:03,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:57:03,878 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:57:03,878 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:57:03,885 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:57:03,885 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:57:03" (1/1) ... [2022-12-15 03:57:03,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:57:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2022-12-15 03:57:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2022-12-15 03:57:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:57:03,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:03,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:04,139 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 03:57:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2022-12-15 03:57:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2022-12-15 03:57:04,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:57:04,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:04,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2022-12-15 03:57:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-12-15 03:57:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:57:04,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:57:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2022-12-15 03:57:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2022-12-15 03:57:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:57:04,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:04,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 03:57:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 37 states and 73 transitions. [2022-12-15 03:57:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2022-12-15 03:57:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 03:57:05,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:05,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 03:57:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 83 transitions. [2022-12-15 03:57:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2022-12-15 03:57:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 03:57:06,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:06,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:06,167 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-15 03:57:06,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 44 states and 93 transitions. [2022-12-15 03:57:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2022-12-15 03:57:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 03:57:06,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:06,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-15 03:57:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 26 states and 47 transitions. [2022-12-15 03:57:06,839 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2022-12-15 03:57:06,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:57:06,839 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-12-15 03:57:06,847 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 03:57:06,879 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:57:06,882 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:57:06,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:57:06 ImpRootNode [2022-12-15 03:57:06,883 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:57:06,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:57:06,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:57:06,884 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:57:06,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:57:03" (3/4) ... [2022-12-15 03:57:06,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:57:06,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-15 03:57:06,896 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-15 03:57:06,896 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 03:57:06,897 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 03:57:06,897 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:57:06,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:57:06,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:57:06,933 INFO L158 Benchmark]: Toolchain (without parser) took 3547.17ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 140.3MB in the beginning and 125.6MB in the end (delta: 14.7MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-12-15 03:57:06,933 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:57:06,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.46ms. Allocated memory is still 167.8MB. Free memory was 140.3MB in the beginning and 129.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:57:06,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.09ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 128.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:57:06,934 INFO L158 Benchmark]: Boogie Preprocessor took 18.84ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 127.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:57:06,935 INFO L158 Benchmark]: RCFGBuilder took 235.48ms. Allocated memory is still 167.8MB. Free memory was 127.3MB in the beginning and 115.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:57:06,935 INFO L158 Benchmark]: CodeCheck took 3005.21ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 115.7MB in the beginning and 128.7MB in the end (delta: -13.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-12-15 03:57:06,935 INFO L158 Benchmark]: Witness Printer took 48.84ms. Allocated memory is still 207.6MB. Free memory was 127.6MB in the beginning and 125.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:57:06,937 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 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 410 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 291 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 816 IncrementalHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 205 mSolverCounterUnsat, 235 mSDtfsCounter, 816 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1661 GetRequests, 1568 SyntacticMatches, 13 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1931 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 172/193 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: 19]: 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: 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 167.8MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.46ms. Allocated memory is still 167.8MB. Free memory was 140.3MB in the beginning and 129.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.09ms. Allocated memory is still 167.8MB. Free memory was 129.8MB in the beginning and 128.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.84ms. Allocated memory is still 167.8MB. Free memory was 128.4MB in the beginning and 127.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 235.48ms. Allocated memory is still 167.8MB. Free memory was 127.3MB in the beginning and 115.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 3005.21ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 115.7MB in the beginning and 128.7MB in the end (delta: -13.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 48.84ms. Allocated memory is still 207.6MB. Free memory was 127.6MB in the beginning and 125.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:57:06,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7cdbb3d-c03c-4f3c-8750-150fc8475681/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