./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ --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 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d --- 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-6b4ec56 [2022-11-20 16:54:03,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:54:03,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:54:03,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:54:03,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:54:03,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:54:03,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:54:03,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:54:03,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:54:03,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:54:03,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:54:03,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:54:03,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:54:03,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:54:03,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:54:03,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:54:03,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:54:03,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:54:03,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:54:03,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:54:03,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:54:03,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:54:03,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:54:03,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:54:03,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:54:03,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:54:03,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:54:03,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:54:03,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:54:03,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:54:03,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:54:03,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:54:03,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:54:03,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:54:03,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:54:03,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:54:03,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:54:03,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:54:03,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:54:03,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:54:03,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:54:03,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:54:03,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:54:03,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:54:03,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:54:03,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:54:03,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:54:03,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:54:03,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:54:03,331 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:54:03,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:54:03,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:54:03,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:54:03,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:54:03,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:54:03,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:54:03,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:54:03,333 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:54:03,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:54:03,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:54:03,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:54:03,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:54:03,334 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:54:03,334 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:54:03,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:54:03,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:03,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:54:03,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:54:03,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:54:03,335 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:54:03,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:54:03,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:54:03,336 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_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d [2022-11-20 16:54:03,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:54:03,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:54:03,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:54:03,723 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:54:03,724 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:54:03,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2022-11-20 16:54:06,793 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:06,968 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:06,971 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2022-11-20 16:54:06,977 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/data/2b9f42798/fa88eea3e0bd4f15936888a76ff2680a/FLAGf8a6ade5a [2022-11-20 16:54:06,993 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/data/2b9f42798/fa88eea3e0bd4f15936888a76ff2680a [2022-11-20 16:54:06,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:06,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:06,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:06,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:07,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:07,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:06" (1/1) ... [2022-11-20 16:54:07,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a60a405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07, skipping insertion in model container [2022-11-20 16:54:07,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:06" (1/1) ... [2022-11-20 16:54:07,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:07,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:07,278 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_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c[454,467] [2022-11-20 16:54:07,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:07,294 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:07,310 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_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c[454,467] [2022-11-20 16:54:07,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:07,324 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:07,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07 WrapperNode [2022-11-20 16:54:07,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:07,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:07,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:07,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:07,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,357 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-20 16:54:07,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:07,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:07,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:07,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:07,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:07,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:07,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:07,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:07,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:07,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:07,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:07,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:54:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-20 16:54:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-20 16:54:07,549 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:07,551 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:07,723 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:07,747 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:07,748 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:54:07,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:07 BoogieIcfgContainer [2022-11-20 16:54:07,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:54:07,752 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:54:07,752 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:54:07,763 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:54:07,763 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:07" (1/1) ... [2022-11-20 16:54:07,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:54:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:07,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-20 16:54:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-20 16:54:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:54:07,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:07,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-20 16:54:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 16:54:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:54:08,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:08,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-11-20 16:54:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 16:54:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:54:08,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:08,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 22 transitions. [2022-11-20 16:54:08,769 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 16:54:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:54:08,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:08,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:08,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 28 transitions. [2022-11-20 16:54:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 16:54:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:54:09,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 34 transitions. [2022-11-20 16:54:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-20 16:54:09,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:54:09,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:09,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:09,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 40 transitions. [2022-11-20 16:54:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-20 16:54:09,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:54:09,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:09,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:10,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 46 transitions. [2022-11-20 16:54:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 16:54:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:54:10,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:10,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 52 transitions. [2022-11-20 16:54:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-20 16:54:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 16:54:10,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:10,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 58 transitions. [2022-11-20 16:54:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-11-20 16:54:11,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 16:54:11,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:11,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 64 transitions. [2022-11-20 16:54:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2022-11-20 16:54:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 16:54:11,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:11,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:12,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 70 transitions. [2022-11-20 16:54:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-11-20 16:54:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:54:12,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:12,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 76 transitions. [2022-11-20 16:54:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-20 16:54:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 16:54:12,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:12,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 71 states and 82 transitions. [2022-11-20 16:54:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-11-20 16:54:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 16:54:13,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:13,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 76 states and 88 transitions. [2022-11-20 16:54:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2022-11-20 16:54:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 16:54:14,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:14,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:14,404 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 94 transitions. [2022-11-20 16:54:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-11-20 16:54:14,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 16:54:14,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:14,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:15,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 100 transitions. [2022-11-20 16:54:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2022-11-20 16:54:15,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 16:54:15,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:15,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 91 states and 106 transitions. [2022-11-20 16:54:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2022-11-20 16:54:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 16:54:16,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:16,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 96 states and 112 transitions. [2022-11-20 16:54:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2022-11-20 16:54:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 16:54:17,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:17,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 101 states and 118 transitions. [2022-11-20 16:54:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2022-11-20 16:54:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 16:54:17,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 106 states and 124 transitions. [2022-11-20 16:54:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2022-11-20 16:54:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 16:54:18,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:18,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 130 transitions. [2022-11-20 16:54:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2022-11-20 16:54:19,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-20 16:54:19,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:19,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 116 states and 136 transitions. [2022-11-20 16:54:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2022-11-20 16:54:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 16:54:20,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:20,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 132 transitions. [2022-11-20 16:54:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2022-11-20 16:54:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 16:54:21,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:21,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 156 transitions. [2022-11-20 16:54:22,432 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 156 transitions. [2022-11-20 16:54:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-20 16:54:22,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:22,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:22,500 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 156 transitions. [2022-11-20 16:54:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-11-20 16:54:22,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 16:54:22,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:22,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 179 transitions. [2022-11-20 16:54:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 179 transitions. [2022-11-20 16:54:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 16:54:23,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2022-11-20 16:54:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 121 states and 178 transitions. [2022-11-20 16:54:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 178 transitions. [2022-11-20 16:54:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-20 16:54:24,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:24,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 126 states and 200 transitions. [2022-11-20 16:54:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2022-11-20 16:54:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-20 16:54:25,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:25,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 131 states and 221 transitions. [2022-11-20 16:54:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2022-11-20 16:54:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 16:54:26,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:26,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 136 states and 241 transitions. [2022-11-20 16:54:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2022-11-20 16:54:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-20 16:54:27,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:27,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 141 states and 260 transitions. [2022-11-20 16:54:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 260 transitions. [2022-11-20 16:54:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-20 16:54:28,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:28,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 146 states and 278 transitions. [2022-11-20 16:54:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 278 transitions. [2022-11-20 16:54:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 16:54:29,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:29,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 151 states and 295 transitions. [2022-11-20 16:54:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 295 transitions. [2022-11-20 16:54:30,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-20 16:54:30,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:30,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:32,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 156 states and 311 transitions. [2022-11-20 16:54:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2022-11-20 16:54:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-20 16:54:32,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:32,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:32,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:33,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 161 states and 326 transitions. [2022-11-20 16:54:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 326 transitions. [2022-11-20 16:54:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 16:54:33,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:33,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 166 states and 340 transitions. [2022-11-20 16:54:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 340 transitions. [2022-11-20 16:54:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 16:54:34,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:34,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:36,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 171 states and 353 transitions. [2022-11-20 16:54:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 353 transitions. [2022-11-20 16:54:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-20 16:54:36,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:36,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 176 states and 365 transitions. [2022-11-20 16:54:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 365 transitions. [2022-11-20 16:54:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-20 16:54:37,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:37,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 181 states and 376 transitions. [2022-11-20 16:54:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 376 transitions. [2022-11-20 16:54:38,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-20 16:54:38,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:38,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:40,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 186 states and 386 transitions. [2022-11-20 16:54:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 386 transitions. [2022-11-20 16:54:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-20 16:54:40,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:40,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 191 states and 395 transitions. [2022-11-20 16:54:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 395 transitions. [2022-11-20 16:54:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-20 16:54:42,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:42,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 196 states and 403 transitions. [2022-11-20 16:54:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 403 transitions. [2022-11-20 16:54:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-20 16:54:43,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:43,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1738 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 201 states and 410 transitions. [2022-11-20 16:54:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 410 transitions. [2022-11-20 16:54:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-20 16:54:45,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:45,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 206 states and 416 transitions. [2022-11-20 16:54:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 416 transitions. [2022-11-20 16:54:47,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-20 16:54:47,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:48,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-20 16:54:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 208 states and 418 transitions. [2022-11-20 16:54:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 418 transitions. [2022-11-20 16:54:49,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:54:49,083 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2022-11-20 16:54:49,099 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:54:49,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:54:49 ImpRootNode [2022-11-20 16:54:49,983 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:54:49,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:54:49,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:54:49,984 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:54:49,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:07" (3/4) ... [2022-11-20 16:54:49,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:54:49,994 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-20 16:54:49,997 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 16:54:49,997 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 16:54:49,998 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:54:49,998 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:54:50,029 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:54:50,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:54:50,030 INFO L158 Benchmark]: Toolchain (without parser) took 43032.75ms. Allocated memory was 130.0MB in the beginning and 587.2MB in the end (delta: 457.2MB). Free memory was 86.3MB in the beginning and 503.3MB in the end (delta: -417.0MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2022-11-20 16:54:50,030 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:50,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.53ms. Allocated memory is still 130.0MB. Free memory was 86.3MB in the beginning and 101.7MB in the end (delta: -15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:54:50,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.14ms. Allocated memory is still 130.0MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:50,031 INFO L158 Benchmark]: Boogie Preprocessor took 29.50ms. Allocated memory is still 130.0MB. Free memory was 100.2MB in the beginning and 98.9MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:54:50,032 INFO L158 Benchmark]: RCFGBuilder took 361.58ms. Allocated memory is still 130.0MB. Free memory was 98.9MB in the beginning and 88.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:54:50,032 INFO L158 Benchmark]: CodeCheck took 42230.77ms. Allocated memory was 130.0MB in the beginning and 587.2MB in the end (delta: 457.2MB). Free memory was 88.4MB in the beginning and 505.4MB in the end (delta: -417.0MB). Peak memory consumption was 345.9MB. Max. memory is 16.1GB. [2022-11-20 16:54:50,033 INFO L158 Benchmark]: Witness Printer took 45.61ms. Allocated memory is still 587.2MB. Free memory was 505.4MB in the beginning and 503.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:50,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 41.3s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5947 SdHoareTripleChecker+Valid, 56.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5695 mSDsluCounter, 4752 SdHoareTripleChecker+Invalid, 44.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 808 mSDsCounter, 14798 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38595 IncrementalHoareTripleChecker+Invalid, 53393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14798 mSolverCounterUnsat, 3944 mSDtfsCounter, 38595 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57179 GetRequests, 56834 SyntacticMatches, 5 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47592 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 4524 NumberOfCodeBlocks, 4524 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 4479 ConstructedInterpolants, 0 QuantifiedInterpolants, 8896 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 6 PerfectInterpolantSequences, 21788/35738 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.53ms. Allocated memory is still 130.0MB. Free memory was 86.3MB in the beginning and 101.7MB in the end (delta: -15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.14ms. Allocated memory is still 130.0MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.50ms. Allocated memory is still 130.0MB. Free memory was 100.2MB in the beginning and 98.9MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 361.58ms. Allocated memory is still 130.0MB. Free memory was 98.9MB in the beginning and 88.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 42230.77ms. Allocated memory was 130.0MB in the beginning and 587.2MB in the end (delta: 457.2MB). Free memory was 88.4MB in the beginning and 505.4MB in the end (delta: -417.0MB). Peak memory consumption was 345.9MB. Max. memory is 16.1GB. * Witness Printer took 45.61ms. Allocated memory is still 587.2MB. Free memory was 505.4MB in the beginning and 503.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:54:50,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd15b5cf-ce3b-4738-97bd-615cc5baf0c7/bin/ukojak-pZX7IvK2PQ/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