./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 820aaba80b9c7e4ca2ad4a6a908bac2e6f59545dc6a131cb9fae6306b993a9eb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:58:05,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:05,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:05,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:05,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:05,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:05,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:05,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:05,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:05,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:05,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:05,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:05,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:05,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:05,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:05,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:05,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:05,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:05,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:05,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:05,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:05,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:05,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:05,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:05,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:05,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:05,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:05,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:05,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:05,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:05,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:05,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:05,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:05,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:05,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:05,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:05,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:05,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:05,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:05,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:05,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:05,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:05,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:05,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:05,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:05,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:05,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:05,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:05,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:05,497 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:05,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:05,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:05,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:05,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:05,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:05,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:05,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:05,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:05,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:05,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:05,502 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:05,502 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:05,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:05,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:05,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:05,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:05,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:05,504 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:05,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:05,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:05,505 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_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 820aaba80b9c7e4ca2ad4a6a908bac2e6f59545dc6a131cb9fae6306b993a9eb [2022-10-17 16:58:05,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:05,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:05,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:05,876 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:05,878 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:05,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c [2022-10-17 16:58:05,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/data/e411d27f9/a5a139aa6ba54272a417b4efa891f470/FLAG2604972b8 [2022-10-17 16:58:06,437 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:06,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c [2022-10-17 16:58:06,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/data/e411d27f9/a5a139aa6ba54272a417b4efa891f470/FLAG2604972b8 [2022-10-17 16:58:06,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/data/e411d27f9/a5a139aa6ba54272a417b4efa891f470 [2022-10-17 16:58:06,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:06,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:06,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:06,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:06,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:06,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:06" (1/1) ... [2022-10-17 16:58:06,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f737f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:06, skipping insertion in model container [2022-10-17 16:58:06,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:06" (1/1) ... [2022-10-17 16:58:06,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:06,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:07,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c[588,601] [2022-10-17 16:58:07,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:07,085 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:07,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound20.c[588,601] [2022-10-17 16:58:07,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:07,127 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:07,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07 WrapperNode [2022-10-17 16:58:07,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:07,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:07,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:07,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:07,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,165 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-10-17 16:58:07,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:07,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:07,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:07,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:07,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,186 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:07,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:07,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:07,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:07,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:07,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:07,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:07,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b68237-734b-4a7e-8793-8791e58261b7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:58:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:58:07,383 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:07,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:07,541 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:07,558 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:07,559 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:58:07,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:07 BoogieIcfgContainer [2022-10-17 16:58:07,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:07,563 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:07,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:07,571 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:07,572 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:07" (1/1) ... [2022-10-17 16:58:07,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-10-17 16:58:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-10-17 16:58:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:58:07,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:58:07,790 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:58:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:58:07,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:07,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:58:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:58:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:58:07,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2022-10-17 16:58:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-10-17 16:58:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:58:08,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:08,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:08,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:58:09,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2022-10-17 16:58:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:58:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:58:09,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:09,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:09,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:09,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:58:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2022-10-17 16:58:10,164 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-10-17 16:58:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:58:10,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:10,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:10,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:58:10,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:58:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2022-10-17 16:58:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2022-10-17 16:58:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:58:10,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:10,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:10,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:10,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:58:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2022-10-17 16:58:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2022-10-17 16:58:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:58:10,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:10,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:10,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:58:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2022-10-17 16:58:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-10-17 16:58:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:58:11,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:11,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:11,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:58:11,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:58:13,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:13,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 129 transitions. [2022-10-17 16:58:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2022-10-17 16:58:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:58:13,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:13,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:13,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:13,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:58:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 134 transitions. [2022-10-17 16:58:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2022-10-17 16:58:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:58:14,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:14,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:14,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:14,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:58:15,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 144 transitions. [2022-10-17 16:58:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 144 transitions. [2022-10-17 16:58:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:58:15,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:58:15,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:58:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 156 transitions. [2022-10-17 16:58:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2022-10-17 16:58:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:58:16,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:16,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:58:16,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:58:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 155 transitions. [2022-10-17 16:58:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2022-10-17 16:58:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:58:16,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:16,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:17,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:17,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:58:17,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 67 states and 171 transitions. [2022-10-17 16:58:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2022-10-17 16:58:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:58:17,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:17,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:17,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:58:17,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:58:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 70 states and 185 transitions. [2022-10-17 16:58:18,599 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 185 transitions. [2022-10-17 16:58:18,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:58:18,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:18,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:18,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:58:18,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:58:19,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 70 states and 184 transitions. [2022-10-17 16:58:19,192 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 184 transitions. [2022-10-17 16:58:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:19,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:19,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:58:19,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:58:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 72 states and 192 transitions. [2022-10-17 16:58:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 192 transitions. [2022-10-17 16:58:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:58:19,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:19,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:19,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:58:19,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:58:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 73 states and 196 transitions. [2022-10-17 16:58:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 196 transitions. [2022-10-17 16:58:20,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:58:20,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:20,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:20,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:20,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 16:58:21,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 74 states and 198 transitions. [2022-10-17 16:58:21,005 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 198 transitions. [2022-10-17 16:58:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:58:21,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:21,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:21,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:21,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:58:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:22,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 75 states and 204 transitions. [2022-10-17 16:58:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 204 transitions. [2022-10-17 16:58:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:58:22,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:22,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:22,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 16:58:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 77 states and 210 transitions. [2022-10-17 16:58:25,444 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 210 transitions. [2022-10-17 16:58:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:58:25,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:25,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:25,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:25,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-10-17 16:58:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 77 states and 208 transitions. [2022-10-17 16:58:25,835 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 208 transitions. [2022-10-17 16:58:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:58:25,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:25,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:25,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:58:25,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:26,053 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:58:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 80 states and 213 transitions. [2022-10-17 16:58:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2022-10-17 16:58:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:58:26,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:26,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:27,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:27,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-10-17 16:58:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 92 states and 302 transitions. [2022-10-17 16:58:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 302 transitions. [2022-10-17 16:58:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:58:29,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:29,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:29,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:58:29,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:58:30,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 95 states and 306 transitions. [2022-10-17 16:58:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 306 transitions. [2022-10-17 16:58:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:58:30,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:30,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-10-17 16:58:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 95 states and 305 transitions. [2022-10-17 16:58:31,193 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 305 transitions. [2022-10-17 16:58:31,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:58:31,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:58:31,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:32,357 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:58:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:58:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 113 states and 366 transitions. [2022-10-17 16:58:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 366 transitions. [2022-10-17 16:58:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:58:38,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:38,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:38,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:58:38,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.