./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4 --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 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 03:27:58,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:27:58,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:27:58,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:27:58,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:27:58,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:27:58,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:27:58,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:27:58,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:27:58,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:27:58,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:27:58,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:27:58,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:27:58,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:27:58,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:27:58,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:27:58,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:27:58,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:27:58,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:27:58,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:27:58,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:27:58,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:27:58,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:27:58,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:27:58,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:27:58,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:27:58,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:27:58,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:27:58,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:27:58,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:27:58,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:27:58,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:27:58,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:27:58,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:27:58,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:27:58,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:27:58,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:27:58,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:27:58,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:27:58,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:27:58,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:27:58,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:27:58,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:27:58,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:27:58,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:27:58,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:27:58,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:27:58,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:27:58,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:27:58,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:27:58,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:27:58,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:27:58,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:27:58,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:27:58,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:27:58,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:27:58,156 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:27:58,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:27:58,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:27:58,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:27:58,156 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:27:58,157 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:27:58,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:27:58,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:27:58,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:27:58,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:27:58,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:27:58,158 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:27:58,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:27:58,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:27:58,158 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_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 [2022-12-15 03:27:58,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:27:58,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:27:58,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:27:58,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:27:58,342 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:27:58,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2022-12-15 03:28:00,972 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:28:01,101 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:28:01,102 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2022-12-15 03:28:01,106 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/data/465c0f2ff/cdeeb1709dcc4617ad3b99ffacb5d355/FLAG5508625ec [2022-12-15 03:28:01,117 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/data/465c0f2ff/cdeeb1709dcc4617ad3b99ffacb5d355 [2022-12-15 03:28:01,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:28:01,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:28:01,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:28:01,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:28:01,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:28:01,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205ece54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01, skipping insertion in model container [2022-12-15 03:28:01,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:28:01,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:28:01,241 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_c20b4757-fd88-4908-844a-4024bed0b98a/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i[950,963] [2022-12-15 03:28:01,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:28:01,259 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:28:01,267 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_c20b4757-fd88-4908-844a-4024bed0b98a/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i[950,963] [2022-12-15 03:28:01,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:28:01,280 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:28:01,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01 WrapperNode [2022-12-15 03:28:01,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:28:01,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:28:01,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:28:01,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:28:01,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,304 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-12-15 03:28:01,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:28:01,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:28:01,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:28:01,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:28:01,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:28:01,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:28:01,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:28:01,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:28:01,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:28:01,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:28:01,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:28:01,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c20b4757-fd88-4908-844a-4024bed0b98a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:28:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:28:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 03:28:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 03:28:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:28:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:28:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:28:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 03:28:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 03:28:01,434 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:28:01,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:28:01,542 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:28:01,566 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:28:01,567 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 03:28:01,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:01 BoogieIcfgContainer [2022-12-15 03:28:01,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:28:01,569 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:28:01,569 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:28:01,578 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:28:01,578 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:01" (1/1) ... [2022-12-15 03:28:01,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:28:01,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-12-15 03:28:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-12-15 03:28:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:28:01,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:01,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:01,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 03:28:01,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:01,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-15 03:28:01,794 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-15 03:28:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:28:01,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:01,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:01,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 03:28:01,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2022-12-15 03:28:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-12-15 03:28:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:28:01,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:01,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:02,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 03:28:02,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2022-12-15 03:28:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-12-15 03:28:02,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:28:02,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:02,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:02,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 03:28:02,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 56 transitions. [2022-12-15 03:28:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-12-15 03:28:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:28:03,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:03,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 03:28:03,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 61 transitions. [2022-12-15 03:28:03,728 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-12-15 03:28:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:28:03,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:03,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:03,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:28:03,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:28:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 76 transitions. [2022-12-15 03:28:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2022-12-15 03:28:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:28:04,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:04,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:04,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 03:28:04,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:05,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 84 transitions. [2022-12-15 03:28:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2022-12-15 03:28:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:28:05,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:05,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:05,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 03:28:05,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 83 transitions. [2022-12-15 03:28:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2022-12-15 03:28:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:28:05,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:05,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:05,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 03:28:05,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 90 transitions. [2022-12-15 03:28:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2022-12-15 03:28:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:28:06,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:06,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:28:06,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:06,653 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:28:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 93 transitions. [2022-12-15 03:28:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2022-12-15 03:28:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:28:07,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:07,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:07,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:28:07,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 55 states and 100 transitions. [2022-12-15 03:28:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2022-12-15 03:28:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:28:07,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:07,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:07,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 03:28:07,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 108 transitions. [2022-12-15 03:28:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions. [2022-12-15 03:28:08,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:28:08,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:08,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:08,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 03:28:08,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:28:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 128 transitions. [2022-12-15 03:28:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 128 transitions. [2022-12-15 03:28:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:28:13,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:13,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:13,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:28:13,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 03:28:14,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 65 states and 134 transitions. [2022-12-15 03:28:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 134 transitions. [2022-12-15 03:28:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:28:14,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:14,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:14,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 03:28:14,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:17,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 72 states and 160 transitions. [2022-12-15 03:28:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 160 transitions. [2022-12-15 03:28:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:28:17,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:17,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:17,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 03:28:17,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 75 states and 177 transitions. [2022-12-15 03:28:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 177 transitions. [2022-12-15 03:28:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:28:19,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:19,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:19,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 03:28:19,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:20,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 75 states and 176 transitions. [2022-12-15 03:28:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 176 transitions. [2022-12-15 03:28:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:28:20,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:20,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:20,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 03:28:20,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 76 states and 180 transitions. [2022-12-15 03:28:20,783 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 180 transitions. [2022-12-15 03:28:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:28:20,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:20,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:20,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 03:28:20,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-15 03:28:21,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 200 transitions. [2022-12-15 03:28:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 200 transitions. [2022-12-15 03:28:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:28:21,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:21,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:21,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 03:28:21,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:28:39,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 90 states and 230 transitions. [2022-12-15 03:28:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 230 transitions. [2022-12-15 03:28:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:28:39,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:39,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:39,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 03:28:39,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:28:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 95 states and 241 transitions. [2022-12-15 03:28:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 241 transitions. [2022-12-15 03:28:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:28:47,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:47,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 03:28:47,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:28:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 98 states and 251 transitions. [2022-12-15 03:28:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 251 transitions. [2022-12-15 03:28:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:28:52,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:52,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:52,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:28:52,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:52,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 101 states and 275 transitions. [2022-12-15 03:28:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 275 transitions. [2022-12-15 03:28:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:28:54,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:54,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:54,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:28:54,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 102 states and 278 transitions. [2022-12-15 03:28:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 278 transitions. [2022-12-15 03:28:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:28:55,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:55,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:55,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:28:55,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:28:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:28:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 103 states and 282 transitions. [2022-12-15 03:28:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 282 transitions. [2022-12-15 03:28:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 03:28:55,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:55,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:55,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-15 03:28:55,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:29:17,309 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-15 03:29:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:31:05,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:31:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 110 states and 326 transitions. [2022-12-15 03:31:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 326 transitions. [2022-12-15 03:31:05,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 03:31:05,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:31:05,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:31:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:31:07,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 03:31:07,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:31:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-15 03:31:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:31:24,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 112 states and 327 transitions. [2022-12-15 03:31:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 327 transitions. [2022-12-15 03:31:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 03:31:24,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:31:24,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:31:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:31:24,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 03:31:24,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:31:28,912 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-15 03:32:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:33:35,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-15 03:34:04,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-15 03:34:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:34:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 115 states and 349 transitions. [2022-12-15 03:34:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 349 transitions. [2022-12-15 03:34:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:34:05,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:34:05,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:34:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:34:05,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 03:34:05,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:34:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:34:29,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:34:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 115 states and 346 transitions. [2022-12-15 03:34:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 346 transitions. [2022-12-15 03:34:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:34:29,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:34:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:34:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:34:29,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-15 03:34:29,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:34:35,593 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-15 03:34:35,763 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-15 03:34:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:35:23,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 03:36:26,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 03:36:26,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:26,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 118 states and 361 transitions. [2022-12-15 03:36:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 361 transitions. [2022-12-15 03:36:26,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:36:26,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:27,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-15 03:36:27,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:36:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:36:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 119 states and 374 transitions. [2022-12-15 03:36:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 374 transitions. [2022-12-15 03:36:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:36:36,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:36,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 03:36:36,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:36:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:36:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:36:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 121 states and 381 transitions. [2022-12-15 03:36:59,321 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 381 transitions. [2022-12-15 03:36:59,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:36:59,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:36:59,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:36:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:36:59,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-15 03:36:59,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:37:00,283 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug.