./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/terminator_02-2.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_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/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_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/terminator_02-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/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_d7e173f2-4efc-4774-a71a-2d9de83d43b0/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 894c556b0f4feb663ec35a01a2d06acf931df74aff57a717fa48cbd5e0bf347b --- 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 16:32:24,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:24,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:24,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:24,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:24,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:24,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:24,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:24,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:24,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:24,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:24,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:24,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:24,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:24,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:24,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:24,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:24,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:24,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:24,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:24,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:24,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:24,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:24,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:24,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:24,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:24,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:24,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:24,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:24,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:24,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:24,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:24,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:24,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:24,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:24,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:24,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:24,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:24,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:24,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:24,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:24,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:32:24,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:24,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:24,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:32:24,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:32:24,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:24,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:24,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:24,193 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:32:24,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:32:24,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:32:24,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:24,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:32:24,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:24,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:32:24,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:32:24,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:32:24,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:24,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:32:24,197 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:24,198 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:24,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:24,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:24,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:24,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:24,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:32:24,199 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:32:24,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:32:24,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:32:24,210 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_d7e173f2-4efc-4774-a71a-2d9de83d43b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 894c556b0f4feb663ec35a01a2d06acf931df74aff57a717fa48cbd5e0bf347b [2022-10-17 16:32:24,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:24,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:24,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:24,544 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:24,546 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:24,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/terminator_02-2.c [2022-10-17 16:32:24,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/data/83b747c82/b2779972486142a39b86f2f27606be8d/FLAGce7553860 [2022-10-17 16:32:25,208 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:25,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/sv-benchmarks/c/loops/terminator_02-2.c [2022-10-17 16:32:25,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/data/83b747c82/b2779972486142a39b86f2f27606be8d/FLAGce7553860 [2022-10-17 16:32:25,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/data/83b747c82/b2779972486142a39b86f2f27606be8d [2022-10-17 16:32:25,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:25,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:25,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:25,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:25,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:25,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2908dd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25, skipping insertion in model container [2022-10-17 16:32:25,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:25,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:32:25,809 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_d7e173f2-4efc-4774-a71a-2d9de83d43b0/sv-benchmarks/c/loops/terminator_02-2.c[414,427] [2022-10-17 16:32:25,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:25,833 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:32:25,849 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_d7e173f2-4efc-4774-a71a-2d9de83d43b0/sv-benchmarks/c/loops/terminator_02-2.c[414,427] [2022-10-17 16:32:25,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:25,877 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:32:25,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25 WrapperNode [2022-10-17 16:32:25,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:25,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:25,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:32:25,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:32:25,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,932 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-10-17 16:32:25,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:25,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:32:25,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:32:25,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:32:25,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,952 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:32:25,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:32:25,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:32:25,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:32:25,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:25" (1/1) ... [2022-10-17 16:32:25,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:25,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:32:26,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:32:26,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:32:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:32:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:32:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:32:26,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:32:26,123 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:32:26,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:32:26,286 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:32:26,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:32:26,326 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:32:26,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:26 BoogieIcfgContainer [2022-10-17 16:32:26,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:32:26,330 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:32:26,330 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:32:26,351 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:32:26,351 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:26" (1/1) ... [2022-10-17 16:32:26,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:32:26,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 16:32:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 16:32:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:32:26,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:26,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:26,784 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 16:32:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-10-17 16:32:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-10-17 16:32:26,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:32:26,866 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-10-17 16:32:26,874 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:32:26,891 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:26,894 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:26,895 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:32:26,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:32:26 ImpRootNode [2022-10-17 16:32:26,895 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:32:26,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:32:26,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:32:26,896 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:32:26,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:26" (3/4) ... [2022-10-17 16:32:26,900 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:32:26,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:32:26,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 16:32:26,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:32:26,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:32:26,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:32:26,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:32:27,000 INFO L158 Benchmark]: Toolchain (without parser) took 1434.86ms. Allocated memory is still 98.6MB. Free memory was 52.8MB in the beginning and 37.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,000 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:32:27,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.40ms. Allocated memory is still 98.6MB. Free memory was 52.6MB in the beginning and 71.5MB in the end (delta: -18.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.46ms. Allocated memory is still 98.6MB. Free memory was 71.5MB in the beginning and 70.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:32:27,003 INFO L158 Benchmark]: Boogie Preprocessor took 21.41ms. Allocated memory is still 98.6MB. Free memory was 70.0MB in the beginning and 68.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,004 INFO L158 Benchmark]: RCFGBuilder took 372.80ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 57.2MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,005 INFO L158 Benchmark]: CodeCheck took 565.71ms. Allocated memory is still 98.6MB. Free memory was 57.2MB in the beginning and 40.0MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,006 INFO L158 Benchmark]: Witness Printer took 102.54ms. Allocated memory is still 98.6MB. Free memory was 40.0MB in the beginning and 37.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:32:27,011 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 53 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 11]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.40ms. Allocated memory is still 98.6MB. Free memory was 52.6MB in the beginning and 71.5MB in the end (delta: -18.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.46ms. Allocated memory is still 98.6MB. Free memory was 71.5MB in the beginning and 70.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.41ms. Allocated memory is still 98.6MB. Free memory was 70.0MB in the beginning and 68.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.80ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 57.2MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 565.71ms. Allocated memory is still 98.6MB. Free memory was 57.2MB in the beginning and 40.0MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 102.54ms. Allocated memory is still 98.6MB. Free memory was 40.0MB in the beginning and 37.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:32:27,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e173f2-4efc-4774-a71a-2d9de83d43b0/bin/ukojak-92XMlrwhuB/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