./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB --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 7803e6cc268064256b2f537d6548202260755eda12a32948c0dafd94d7d212db --- 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-dbf71c6-m [2022-10-17 16:47:16,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:16,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:16,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:16,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:16,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:16,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:16,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:16,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:16,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:16,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:16,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:16,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:16,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:16,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:16,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:16,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:16,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:16,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:16,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:16,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:16,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:16,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:16,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:16,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:16,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:16,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:16,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:17,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:17,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:17,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:17,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:17,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:17,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:17,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:17,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:17,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:17,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:17,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:17,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:17,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:17,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:47:17,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:17,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:17,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:17,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:17,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:17,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:17,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:17,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:17,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:17,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:17,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:17,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:17,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:17,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:17,063 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:17,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:17,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:17,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:17,064 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:17,064 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:17,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:17,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:17,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:17,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:17,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:17,065 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:17,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:17,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:17,066 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_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7803e6cc268064256b2f537d6548202260755eda12a32948c0dafd94d7d212db [2022-10-17 16:47:17,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:17,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:17,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:17,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:17,396 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:17,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/test19.c [2022-10-17 16:47:17,483 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/data/340c563d6/81bdc4ec8b3148c488faca43b07444d2/FLAG4a2a460c5 [2022-10-17 16:47:17,993 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:17,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/sv-benchmarks/c/ldv-regression/test19.c [2022-10-17 16:47:18,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/data/340c563d6/81bdc4ec8b3148c488faca43b07444d2/FLAG4a2a460c5 [2022-10-17 16:47:18,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/data/340c563d6/81bdc4ec8b3148c488faca43b07444d2 [2022-10-17 16:47:18,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:18,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:18,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:18,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:18,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:18,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff8147a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18, skipping insertion in model container [2022-10-17 16:47:18,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:18,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:18,636 WARN L230 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_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/sv-benchmarks/c/ldv-regression/test19.c[647,660] [2022-10-17 16:47:18,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:18,653 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:18,675 WARN L230 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_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/sv-benchmarks/c/ldv-regression/test19.c[647,660] [2022-10-17 16:47:18,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:18,696 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:18,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18 WrapperNode [2022-10-17 16:47:18,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:18,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:18,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:18,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:18,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,752 INFO L138 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-10-17 16:47:18,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:18,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:18,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:18,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:18,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:18,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:18,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:18,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:18,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:18" (1/1) ... [2022-10-17 16:47:18,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:18,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:18,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:18,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:47:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:47:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:47:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:47:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:47:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:47:19,038 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:19,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:19,271 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:19,316 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:19,317 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:47:19,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:19 BoogieIcfgContainer [2022-10-17 16:47:19,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:19,321 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:19,321 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:19,333 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:19,333 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:19" (1/1) ... [2022-10-17 16:47:19,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-10-17 16:47:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-10-17 16:47:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:47:19,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:19,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:20,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2022-10-17 16:47:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2022-10-17 16:47:20,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:47:20,471 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-10-17 16:47:20,484 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:47:20,492 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:47:20,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:47:20 ImpRootNode [2022-10-17 16:47:20,498 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:47:20,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:47:20,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:47:20,499 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:47:20,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:19" (3/4) ... [2022-10-17 16:47:20,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:47:20,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:47:20,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:47:20,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:47:20,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:47:20,586 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:47:20,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:47:20,594 INFO L158 Benchmark]: Toolchain (without parser) took 2204.95ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 60.4MB in the beginning and 89.9MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:20,595 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:20,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.01ms. Allocated memory is still 94.4MB. Free memory was 60.3MB in the beginning and 69.7MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:47:20,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.84ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 67.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:20,598 INFO L158 Benchmark]: Boogie Preprocessor took 54.69ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 67.0MB in the end (delta: 916.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:20,598 INFO L158 Benchmark]: RCFGBuilder took 510.97ms. Allocated memory is still 94.4MB. Free memory was 66.7MB in the beginning and 52.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:47:20,599 INFO L158 Benchmark]: CodeCheck took 1176.97ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 92.0MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:20,599 INFO L158 Benchmark]: Witness Printer took 93.00ms. Allocated memory is still 119.5MB. Free memory was 92.0MB in the beginning and 89.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:20,606 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 24]: 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: 13]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.01ms. Allocated memory is still 94.4MB. Free memory was 60.3MB in the beginning and 69.7MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.84ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 67.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.69ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 67.0MB in the end (delta: 916.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.97ms. Allocated memory is still 94.4MB. Free memory was 66.7MB in the beginning and 52.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1176.97ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 92.0MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.00ms. Allocated memory is still 119.5MB. Free memory was 92.0MB in the beginning and 89.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:47:20,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8136fa9-1adb-4cf6-b46b-9cbc1a978f99/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE