./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.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_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/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_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/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_67404a35-fc40-4cbf-8e83-32fcb394ba18/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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- 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 16:40:55,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:55,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:55,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:55,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:55,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:55,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:55,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:55,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:55,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:55,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:55,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:55,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:55,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:55,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:55,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:55,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:55,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:55,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:55,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:55,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:55,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:55,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:55,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:55,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:55,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:55,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:55,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:55,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:55,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:55,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:55,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:55,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:55,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:55,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:55,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:55,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:55,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:55,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:55,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:55,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:55,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:55,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:55,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:55,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:55,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:55,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:55,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:55,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:55,334 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:55,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:55,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:55,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:55,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:55,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:55,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:55,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:55,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:55,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:55,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:55,338 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:55,338 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:55,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:55,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:55,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:55,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:55,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:55,339 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:55,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:55,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:55,340 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_67404a35-fc40-4cbf-8e83-32fcb394ba18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2022-10-17 16:40:55,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:55,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:55,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:55,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:55,634 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:55,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2022-10-17 16:40:55,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/data/a9e6c7fde/644e2ad3d1ac47ffb09a7ca7619a1ee6/FLAG7b2fdeca7 [2022-10-17 16:40:56,172 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:56,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2022-10-17 16:40:56,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/data/a9e6c7fde/644e2ad3d1ac47ffb09a7ca7619a1ee6/FLAG7b2fdeca7 [2022-10-17 16:40:56,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/data/a9e6c7fde/644e2ad3d1ac47ffb09a7ca7619a1ee6 [2022-10-17 16:40:56,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:56,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:56,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:56,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:56,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:56,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f74458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56, skipping insertion in model container [2022-10-17 16:40:56,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:56,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:56,778 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_67404a35-fc40-4cbf-8e83-32fcb394ba18/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c[520,533] [2022-10-17 16:40:56,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:56,815 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:56,830 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_67404a35-fc40-4cbf-8e83-32fcb394ba18/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c[520,533] [2022-10-17 16:40:56,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:56,869 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:56,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56 WrapperNode [2022-10-17 16:40:56,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:56,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:56,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:56,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:56,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,906 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-10-17 16:40:56,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:56,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:56,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:56,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:56,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,928 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:56,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:56,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:56,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:56,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:56,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:56,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:57,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67404a35-fc40-4cbf-8e83-32fcb394ba18/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:40:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:40:57,109 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:57,111 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:57,242 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:57,267 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:57,267 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:40:57,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:57 BoogieIcfgContainer [2022-10-17 16:40:57,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:57,271 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:57,271 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:57,290 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:57,290 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:57,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-10-17 16:40:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-10-17 16:40:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:40:57,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:57,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:57,573 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 16:40:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:57,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-10-17 16:40:57,592 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-10-17 16:40:57,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:57,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:57,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:57,737 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 16:40:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:40:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:40:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:57,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:57,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:58,124 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 16:40:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-10-17 16:40:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-10-17 16:40:58,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:58,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:58,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:58,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:40:58,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:58,607 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 16:40:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2022-10-17 16:40:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2022-10-17 16:40:59,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:40:59,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:59,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:59,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:40:59,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:59,347 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 16:40:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2022-10-17 16:40:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2022-10-17 16:40:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:59,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:59,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:59,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:40:59,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2022-10-17 16:41:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-10-17 16:41:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:41:00,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:00,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:00,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:41:00,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:19,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 18.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:41:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 94 transitions. [2022-10-17 16:41:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2022-10-17 16:41:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:41:19,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:19,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:19,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:19,946 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 105 transitions. [2022-10-17 16:41:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 105 transitions. [2022-10-17 16:41:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:41:20,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:20,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:20,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:20,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:41:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:21,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 49 states and 106 transitions. [2022-10-17 16:41:21,372 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2022-10-17 16:41:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:41:21,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:21,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:21,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:21,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:41:22,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 113 transitions. [2022-10-17 16:41:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 113 transitions. [2022-10-17 16:41:22,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:41:22,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:22,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:22,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:41:22,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:22,269 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:41:23,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 123 transitions. [2022-10-17 16:41:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2022-10-17 16:41:23,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:41:23,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:23,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:23,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:41:23,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:41:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 122 transitions. [2022-10-17 16:41:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2022-10-17 16:41:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:41:23,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:23,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:24,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:24,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:41:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 121 transitions. [2022-10-17 16:41:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 121 transitions. [2022-10-17 16:41:25,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:41:25,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:25,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:25,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:25,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:41:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 54 states and 129 transitions. [2022-10-17 16:41:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 129 transitions. [2022-10-17 16:41:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:41:25,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:25,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:25,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:25,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:41:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 55 states and 131 transitions. [2022-10-17 16:41:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 131 transitions. [2022-10-17 16:41:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:41:26,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:26,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:26,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:26,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:41:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 65 states and 185 transitions. [2022-10-17 16:41:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 185 transitions. [2022-10-17 16:41:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:41:28,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:28,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:41:28,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:41:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 69 states and 200 transitions. [2022-10-17 16:41:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 200 transitions. [2022-10-17 16:41:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:41:29,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:29,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:29,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:41:29,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:41:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 71 states and 201 transitions. [2022-10-17 16:41:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 201 transitions. [2022-10-17 16:41:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:41:30,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:30,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:30,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:30,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:41:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 71 states and 200 transitions. [2022-10-17 16:41:30,741 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 200 transitions. [2022-10-17 16:41:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:41:30,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:30,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:41:30,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:41:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 204 transitions. [2022-10-17 16:41:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 204 transitions. [2022-10-17 16:41:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:41:31,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:31,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:31,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-17 16:41:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 74 states and 203 transitions. [2022-10-17 16:41:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 203 transitions. [2022-10-17 16:41:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:41:32,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:32,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:32,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:32,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-17 16:41:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 74 states and 202 transitions. [2022-10-17 16:41:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 202 transitions. [2022-10-17 16:41:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:41:32,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:32,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:32,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:41:32,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:32,772 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:41:33,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 76 states and 217 transitions. [2022-10-17 16:41:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 217 transitions. [2022-10-17 16:41:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:41:33,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:33,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:34,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:41:34,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.