./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/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_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- 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 00:39:07,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:39:07,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:39:07,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:39:07,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:39:07,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:39:07,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:39:07,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:39:07,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:39:07,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:39:07,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:39:07,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:39:07,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:39:07,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:39:07,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:39:07,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:39:07,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:39:07,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:39:07,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:39:07,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:39:07,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:39:07,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:39:07,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:39:07,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:39:07,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:39:07,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:39:07,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:39:07,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:39:07,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:39:07,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:39:07,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:39:07,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:39:07,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:39:07,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:39:07,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:39:07,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:39:07,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:39:07,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:39:07,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:39:07,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:39:07,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:39:07,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:39:07,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:39:07,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:39:07,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:39:07,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:39:07,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:39:07,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:39:07,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:39:07,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:39:07,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:39:07,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:39:07,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:39:07,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:39:07,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:39:07,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:39:07,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:39:07,237 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:39:07,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:39:07,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:39:07,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:39:07,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:39:07,237 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:39:07,237 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:39:07,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:39:07,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:39:07,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:39:07,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:39:07,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:39:07,238 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:39:07,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:39:07,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:39:07,238 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_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2022-12-15 00:39:07,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:39:07,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:39:07,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:39:07,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:39:07,456 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:39:07,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-invgen/large_const.i [2022-12-15 00:39:10,012 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:39:10,193 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:39:10,194 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/sv-benchmarks/c/loop-invgen/large_const.i [2022-12-15 00:39:10,200 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/data/6d0427644/da3e4ad69a2240f5a2bb8f0e0945327d/FLAG78cd68fdb [2022-12-15 00:39:10,583 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/data/6d0427644/da3e4ad69a2240f5a2bb8f0e0945327d [2022-12-15 00:39:10,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:39:10,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:39:10,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:39:10,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:39:10,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:39:10,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763982ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10, skipping insertion in model container [2022-12-15 00:39:10,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:39:10,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:39:10,727 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_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-12-15 00:39:10,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:39:10,747 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:39:10,759 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_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-12-15 00:39:10,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:39:10,773 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:39:10,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10 WrapperNode [2022-12-15 00:39:10,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:39:10,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:39:10,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:39:10,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:39:10,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,799 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-12-15 00:39:10,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:39:10,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:39:10,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:39:10,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:39:10,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:39:10,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:39:10,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:39:10,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:39:10,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:39:10" (1/1) ... [2022-12-15 00:39:10,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:39:10,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:39:10,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:39:10,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:39:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:39:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:39:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:39:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:39:10,943 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:39:10,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:39:11,074 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:39:11,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:39:11,099 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 00:39:11,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:39:11 BoogieIcfgContainer [2022-12-15 00:39:11,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:39:11,102 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:39:11,102 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:39:11,109 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:39:11,109 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:39:11" (1/1) ... [2022-12-15 00:39:11,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:39:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2022-12-15 00:39:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-12-15 00:39:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:39:11,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:11,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:11,306 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 00:39:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2022-12-15 00:39:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-12-15 00:39:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:39:11,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:11,386 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 00:39:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2022-12-15 00:39:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-12-15 00:39:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:39:11,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:11,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:11,455 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 00:39:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-12-15 00:39:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-12-15 00:39:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:39:11,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:11,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:11,541 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 00:39:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2022-12-15 00:39:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-12-15 00:39:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:39:11,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:11,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:11,614 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 00:39:11,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2022-12-15 00:39:11,811 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2022-12-15 00:39:11,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:39:11,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:11,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:11,890 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 00:39:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2022-12-15 00:39:12,095 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2022-12-15 00:39:12,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:39:12,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:12,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:12,159 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 00:39:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2022-12-15 00:39:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2022-12-15 00:39:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:39:12,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:12,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:12,657 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 00:39:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2022-12-15 00:39:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2022-12-15 00:39:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:39:13,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:13,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:13,283 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 00:39:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 69 states and 125 transitions. [2022-12-15 00:39:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 125 transitions. [2022-12-15 00:39:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:39:13,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:13,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:13,999 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 00:39:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 77 states and 148 transitions. [2022-12-15 00:39:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 148 transitions. [2022-12-15 00:39:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:39:14,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:14,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:14,829 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 00:39:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 85 states and 173 transitions. [2022-12-15 00:39:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 173 transitions. [2022-12-15 00:39:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:39:15,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:15,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:16,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 91 states and 194 transitions. [2022-12-15 00:39:16,829 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 194 transitions. [2022-12-15 00:39:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:39:16,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 94 states and 202 transitions. [2022-12-15 00:39:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 202 transitions. [2022-12-15 00:39:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:39:17,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:17,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 96 states and 206 transitions. [2022-12-15 00:39:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 206 transitions. [2022-12-15 00:39:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:39:17,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:17,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:18,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 103 states and 233 transitions. [2022-12-15 00:39:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 233 transitions. [2022-12-15 00:39:18,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:39:18,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:18,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 106 states and 241 transitions. [2022-12-15 00:39:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 241 transitions. [2022-12-15 00:39:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:39:19,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:19,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:19,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 108 states and 245 transitions. [2022-12-15 00:39:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 245 transitions. [2022-12-15 00:39:19,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:39:19,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:19,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 114 states and 262 transitions. [2022-12-15 00:39:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 262 transitions. [2022-12-15 00:39:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:39:20,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:20,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 120 states and 280 transitions. [2022-12-15 00:39:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 280 transitions. [2022-12-15 00:39:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:39:21,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:21,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:21,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:21,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 121 states and 281 transitions. [2022-12-15 00:39:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 281 transitions. [2022-12-15 00:39:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:39:21,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:21,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:21,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 124 states and 292 transitions. [2022-12-15 00:39:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 292 transitions. [2022-12-15 00:39:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:39:22,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:22,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 130 states and 308 transitions. [2022-12-15 00:39:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 308 transitions. [2022-12-15 00:39:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:39:23,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:23,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 134 states and 321 transitions. [2022-12-15 00:39:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 321 transitions. [2022-12-15 00:39:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:39:24,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:24,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2022-12-15 00:39:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2022-12-15 00:39:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:39:24,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2022-12-15 00:39:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2022-12-15 00:39:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:39:25,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:25,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:39:26,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions. [2022-12-15 00:39:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2022-12-15 00:39:26,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:39:26,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:26,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:26,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:39:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:26,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2022-12-15 00:39:26,627 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2022-12-15 00:39:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:39:26,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:26,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:39:26,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 58 states and 87 transitions. [2022-12-15 00:39:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2022-12-15 00:39:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:39:26,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:26,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2022-12-15 00:39:28,664 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2022-12-15 00:39:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:39:28,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:28,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 104 transitions. [2022-12-15 00:39:29,398 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2022-12-15 00:39:29,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:39:29,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:39:29,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:39:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:39:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:39:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2022-12-15 00:39:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-15 00:39:30,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:39:30,226 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2022-12-15 00:39:30,231 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-15 00:39:30,435 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2022-12-15 00:39:30,444 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:39:30,444 INFO L560 CodeCheckObserver]: Invariant with dag size 33 [2022-12-15 00:39:30,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:39:30 ImpRootNode [2022-12-15 00:39:30,445 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:39:30,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:39:30,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:39:30,446 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:39:30,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:39:11" (3/4) ... [2022-12-15 00:39:30,448 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:39:30,454 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-15 00:39:30,454 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 00:39:30,454 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:39:30,454 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:39:30,455 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:39:30,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:39:30,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:39:30,483 INFO L158 Benchmark]: Toolchain (without parser) took 19896.15ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-12-15 00:39:30,483 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:39:30,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.33ms. Allocated memory is still 127.9MB. Free memory was 93.7MB in the beginning and 83.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:39:30,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.66ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:39:30,484 INFO L158 Benchmark]: Boogie Preprocessor took 19.71ms. Allocated memory is still 127.9MB. Free memory was 81.9MB in the beginning and 80.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:39:30,484 INFO L158 Benchmark]: RCFGBuilder took 281.43ms. Allocated memory is still 127.9MB. Free memory was 80.5MB in the beginning and 67.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 00:39:30,484 INFO L158 Benchmark]: CodeCheck took 19343.32ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 67.5MB in the beginning and 94.7MB in the end (delta: -27.2MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-12-15 00:39:30,484 INFO L158 Benchmark]: Witness Printer took 36.62ms. Allocated memory is still 176.2MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:39:30,486 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, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 19.1s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4192 SdHoareTripleChecker+Valid, 10.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3773 mSDsluCounter, 5214 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4160 mSDsCounter, 1883 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12633 IncrementalHoareTripleChecker+Invalid, 14516 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1883 mSolverCounterUnsat, 1054 mSDtfsCounter, 12633 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4052 GetRequests, 3566 SyntacticMatches, 54 SemanticMatches, 432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93903 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 1263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 11 PerfectInterpolantSequences, 25/57 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((2000 <= k && !(4000 <= k)) && j == 0) && n <= 1) || (((k <= 10000 && !(k <= 4000)) && j == 0) && n <= 1)) || (1 <= j && n <= j)) || (((k <= 4000 && 4000 <= k) && j == 0) && n <= 1)) || (k == 0 && j == 0) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((i == 0 && c1 <= 4000) && 2000 <= c2) && 4000 <= c1) && k == 0) && c3 <= 10000) && c2 <= 2000) && 10000 <= c3) || ((((1 <= i && n <= i) && k <= 10000) && !(k <= 4000)) && i <= 1)) || ((((1 <= i && n <= i) && 2000 <= k) && !(4000 <= k)) && i <= 1)) || ((((k <= 4000 && 1 <= i) && n <= i) && 4000 <= k) && i <= 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.33ms. Allocated memory is still 127.9MB. Free memory was 93.7MB in the beginning and 83.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.66ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.71ms. Allocated memory is still 127.9MB. Free memory was 81.9MB in the beginning and 80.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.43ms. Allocated memory is still 127.9MB. Free memory was 80.5MB in the beginning and 67.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 19343.32ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 67.5MB in the beginning and 94.7MB in the end (delta: -27.2MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Witness Printer took 36.62ms. Allocated memory is still 176.2MB. Free memory was 94.7MB in the beginning and 92.6MB 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! [2022-12-15 00:39:30,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fcf9e86-65d8-4d27-8ae3-6add7269b4e8/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