./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test22-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/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_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/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_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/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 d801f0525ca26a676000831cf03fb7a7e79d5c4d235bd41da197ed6559b3bbff --- 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 00:56:57,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:56:57,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:56:57,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:56:57,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:56:57,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:56:57,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:56:57,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:56:57,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:56:57,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:56:57,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:56:57,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:56:57,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:56:57,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:56:57,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:56:57,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:56:57,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:56:57,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:56:57,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:56:57,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:56:57,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:56:57,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:56:57,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:56:57,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:56:57,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:56:57,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:56:57,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:56:57,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:56:57,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:56:57,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:56:57,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:56:57,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:56:57,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:56:57,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:56:57,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:56:57,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:56:57,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:56:57,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:56:57,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:56:57,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:56:57,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:56:57,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:56:57,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:56:57,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:56:57,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:56:57,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:56:57,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:56:57,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:56:57,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:56:57,136 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:56:57,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:56:57,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:56:57,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:56:57,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:56:57,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:56:57,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:56:57,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:56:57,137 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:56:57,137 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:56:57,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:56:57,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:56:57,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:56:57,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:56:57,138 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:56:57,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:56:57,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:56:57,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:56:57,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:56:57,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:56:57,139 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:56:57,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:56:57,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:56:57,140 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_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d801f0525ca26a676000831cf03fb7a7e79d5c4d235bd41da197ed6559b3bbff [2022-12-15 00:56:57,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:56:57,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:56:57,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:56:57,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:56:57,340 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:56:57,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-regression/test22-3.c [2022-12-15 00:56:59,954 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:57:00,091 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:57:00,091 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/sv-benchmarks/c/ldv-regression/test22-3.c [2022-12-15 00:57:00,095 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/data/32be058df/78fa1b9f8ce14d2aac15673b1bcbcf59/FLAG437c60df8 [2022-12-15 00:57:00,106 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/data/32be058df/78fa1b9f8ce14d2aac15673b1bcbcf59 [2022-12-15 00:57:00,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:57:00,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:57:00,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:57:00,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:57:00,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:57:00,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47292a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00, skipping insertion in model container [2022-12-15 00:57:00,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:57:00,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:57:00,242 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_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/sv-benchmarks/c/ldv-regression/test22-3.c[1204,1217] [2022-12-15 00:57:00,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:57:00,249 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:57:00,262 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_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/sv-benchmarks/c/ldv-regression/test22-3.c[1204,1217] [2022-12-15 00:57:00,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:57:00,272 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:57:00,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00 WrapperNode [2022-12-15 00:57:00,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:57:00,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:57:00,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:57:00,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:57:00,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,300 INFO L138 Inliner]: procedures = 17, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2022-12-15 00:57:00,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:57:00,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:57:00,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:57:00,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:57:00,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,315 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:57:00,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:57:00,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:57:00,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:57:00,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:57:00,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:57:00,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:57:00,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:57:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:57:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 00:57:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 00:57:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:57:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:57:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2022-12-15 00:57:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2022-12-15 00:57:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:57:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:57:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:57:00,428 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:57:00,430 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:57:00,555 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:57:00,591 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:57:00,591 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:57:00,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:00 BoogieIcfgContainer [2022-12-15 00:57:00,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:57:00,595 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:57:00,595 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:57:00,604 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:57:00,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:00" (1/1) ... [2022-12-15 00:57:00,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:57:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2022-12-15 00:57:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2022-12-15 00:57:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:00,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:00,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:01,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 41 transitions. [2022-12-15 00:57:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:57:01,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:01,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:01,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:03,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 41 transitions. [2022-12-15 00:57:03,014 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:57:03,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:03,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:03,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 41 transitions. [2022-12-15 00:57:03,340 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:57:03,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:03,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:03,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 41 transitions. [2022-12-15 00:57:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:57:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:03,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:03,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 41 transitions. [2022-12-15 00:57:03,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:57:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:03,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:03,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 41 transitions. [2022-12-15 00:57:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:57:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:04,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:04,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 41 transitions. [2022-12-15 00:57:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:57:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:04,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:04,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 34 states and 41 transitions. [2022-12-15 00:57:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:57:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:04,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:57:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:07,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 38 states and 51 transitions. [2022-12-15 00:57:07,526 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-12-15 00:57:07,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:07,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:07,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 38 states and 51 transitions. [2022-12-15 00:57:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-12-15 00:57:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:07,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:07,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 38 states and 51 transitions. [2022-12-15 00:57:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-12-15 00:57:08,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:08,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:08,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 38 states and 51 transitions. [2022-12-15 00:57:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-12-15 00:57:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:08,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:08,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:57:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 55 transitions. [2022-12-15 00:57:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-12-15 00:57:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:10,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:10,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:10,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 55 transitions. [2022-12-15 00:57:10,948 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-12-15 00:57:10,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:10,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:10,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 55 transitions. [2022-12-15 00:57:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-12-15 00:57:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:11,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:11,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:57:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 39 states and 55 transitions. [2022-12-15 00:57:12,225 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-12-15 00:57:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:12,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:12,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:15,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 39 states and 55 transitions. [2022-12-15 00:57:15,991 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-12-15 00:57:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:15,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:15,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 39 states and 55 transitions. [2022-12-15 00:57:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-12-15 00:57:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:16,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:16,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 39 states and 55 transitions. [2022-12-15 00:57:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-12-15 00:57:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:16,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:16,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:57:16,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 39 states and 55 transitions. [2022-12-15 00:57:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-12-15 00:57:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:16,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:16,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:57:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 39 states and 54 transitions. [2022-12-15 00:57:17,979 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-12-15 00:57:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:17,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:17,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:18,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 39 states and 54 transitions. [2022-12-15 00:57:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-12-15 00:57:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:18,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:18,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:19,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:57:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 36 states and 44 transitions. [2022-12-15 00:57:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:22,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:22,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 00:57:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:27,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:27,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:27,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:27,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:28,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:28,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:28,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:29,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:29,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:29,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:29,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:29,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:29,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:29,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:30,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:30,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:30,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:30,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:30,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:31,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:31,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 36 states and 44 transitions. [2022-12-15 00:57:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-15 00:57:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:57:31,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:31,758 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:33,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 30 states and 36 transitions. [2022-12-15 00:57:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-15 00:57:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:57:33,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:33,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:40,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 29 states and 35 transitions. [2022-12-15 00:57:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-12-15 00:57:40,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 00:57:40,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:40,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 00:57:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:40,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 32 states and 39 transitions. [2022-12-15 00:57:40,429 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-12-15 00:57:40,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 00:57:40,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:57:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 36 states and 45 transitions. [2022-12-15 00:57:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-12-15 00:57:48,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 00:57:48,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:48,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 00:57:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 32 states and 39 transitions. [2022-12-15 00:57:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-12-15 00:57:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 00:57:48,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:48,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:57:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 27 states and 32 transitions. [2022-12-15 00:57:53,663 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-12-15 00:57:53,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:57:53,663 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 42 iterations. [2022-12-15 00:57:53,669 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 00:57:54,120 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:57:54,124 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:57:54,124 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:57:54,124 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-12-15 00:57:54,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:57:54 ImpRootNode [2022-12-15 00:57:54,128 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:57:54,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:57:54,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:57:54,129 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:57:54,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:00" (3/4) ... [2022-12-15 00:57:54,131 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:57:54,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2022-12-15 00:57:54,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-15 00:57:54,140 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-15 00:57:54,140 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 00:57:54,140 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:57:54,141 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:57:54,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:57:54,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:57:54,182 INFO L158 Benchmark]: Toolchain (without parser) took 54073.31ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 99.7MB in the beginning and 112.5MB in the end (delta: -12.9MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2022-12-15 00:57:54,183 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:57:54,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.21ms. Allocated memory is still 134.2MB. Free memory was 99.7MB in the beginning and 89.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:57:54,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.12ms. Allocated memory is still 134.2MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:57:54,184 INFO L158 Benchmark]: Boogie Preprocessor took 16.50ms. Allocated memory is still 134.2MB. Free memory was 87.1MB in the beginning and 85.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:57:54,184 INFO L158 Benchmark]: RCFGBuilder took 276.26ms. Allocated memory is still 134.2MB. Free memory was 85.6MB in the beginning and 71.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 00:57:54,184 INFO L158 Benchmark]: CodeCheck took 53533.32ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 70.3MB in the beginning and 115.6MB in the end (delta: -45.3MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-12-15 00:57:54,185 INFO L158 Benchmark]: Witness Printer took 53.24ms. Allocated memory is still 234.9MB. Free memory was 115.6MB in the beginning and 112.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:57:54,186 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 3 procedures, 31 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 53.0s, OverallIterations: 42, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4911 SdHoareTripleChecker+Valid, 21.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 672 mSDsluCounter, 2835 SdHoareTripleChecker+Invalid, 19.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 492 mSDsCounter, 3461 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13217 IncrementalHoareTripleChecker+Invalid, 16678 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3461 mSolverCounterUnsat, 2343 mSDtfsCounter, 13217 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13282 GetRequests, 12500 SyntacticMatches, 387 SemanticMatches, 395 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69716 ImplicationChecksByTransitivity, 42.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 970 NumberOfCodeBlocks, 970 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 929 ConstructedInterpolants, 0 QuantifiedInterpolants, 11221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 33 PerfectInterpolantSequences, 318/335 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: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.21ms. Allocated memory is still 134.2MB. Free memory was 99.7MB in the beginning and 89.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.12ms. Allocated memory is still 134.2MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.50ms. Allocated memory is still 134.2MB. Free memory was 87.1MB in the beginning and 85.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.26ms. Allocated memory is still 134.2MB. Free memory was 85.6MB in the beginning and 71.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 53533.32ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 70.3MB in the beginning and 115.6MB in the end (delta: -45.3MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Witness Printer took 53.24ms. Allocated memory is still 234.9MB. Free memory was 115.6MB in the beginning and 112.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:57:54,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fb4a93-99c9-4da9-bba8-cafaa8c71252/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