./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.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_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/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_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/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_ec22f483-fa53-49fa-b031-85e7ee813a53/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 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb --- 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 16:51:40,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:40,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:40,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:40,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:40,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:40,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:40,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:40,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:40,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:40,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:40,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:40,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:40,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:40,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:40,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:40,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:40,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:40,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:40,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:40,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:40,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:40,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:40,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:40,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:40,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:40,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:40,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:40,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:40,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:40,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:40,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:40,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:40,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:40,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:40,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:40,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:40,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:40,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:40,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:40,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:40,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:40,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:40,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:40,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:40,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:40,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:40,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:40,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:40,331 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:40,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:40,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:40,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:40,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:40,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:40,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:40,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:40,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:40,334 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:40,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:40,334 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:40,334 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:40,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:40,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:40,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:40,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:40,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:40,336 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:40,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:40,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:40,337 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_ec22f483-fa53-49fa-b031-85e7ee813a53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb [2022-10-17 16:51:40,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:40,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:40,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:40,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:40,695 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:40,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2022-10-17 16:51:40,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/data/b554d7fc9/6b87d49f37614fbebe28808149f34a8e/FLAG1db89f5a5 [2022-10-17 16:51:41,315 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:41,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2022-10-17 16:51:41,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/data/b554d7fc9/6b87d49f37614fbebe28808149f34a8e/FLAG1db89f5a5 [2022-10-17 16:51:41,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/data/b554d7fc9/6b87d49f37614fbebe28808149f34a8e [2022-10-17 16:51:41,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:41,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:41,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:41,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:41,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:41,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:41" (1/1) ... [2022-10-17 16:51:41,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbac365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:41, skipping insertion in model container [2022-10-17 16:51:41,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:41" (1/1) ... [2022-10-17 16:51:41,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:41,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:41,936 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_ec22f483-fa53-49fa-b031-85e7ee813a53/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c[588,601] [2022-10-17 16:51:41,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:41,994 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:42,009 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_ec22f483-fa53-49fa-b031-85e7ee813a53/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c[588,601] [2022-10-17 16:51:42,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:42,051 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:42,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42 WrapperNode [2022-10-17 16:51:42,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:42,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:42,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:42,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:42,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,119 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-10-17 16:51:42,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:42,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:42,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:42,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:42,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:42,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:42,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:42,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:42,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:42,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:42,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:42,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec22f483-fa53-49fa-b031-85e7ee813a53/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:51:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:51:42,335 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:42,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:42,530 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:42,563 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:42,563 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:51:42,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:42 BoogieIcfgContainer [2022-10-17 16:51:42,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:42,567 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:42,567 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:42,585 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:42,585 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:42" (1/1) ... [2022-10-17 16:51:42,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:42,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:51:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:51:42,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:42,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,155 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 16:51:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:43,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2022-10-17 16:51:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2022-10-17 16:51:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:43,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:43,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:51:43,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:43,586 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 16:51:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2022-10-17 16:51:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-10-17 16:51:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:43,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:51:43,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:43,911 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 16:51:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2022-10-17 16:51:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-10-17 16:51:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:51:44,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:51:44,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2022-10-17 16:51:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2022-10-17 16:51:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:51:44,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:51:44,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:51:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2022-10-17 16:51:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2022-10-17 16:51:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:51:44,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:44,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:51:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2022-10-17 16:51:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:51:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:51:45,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:51:45,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:45,795 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:51:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 81 transitions. [2022-10-17 16:51:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 16:51:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:51:46,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:46,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:51:46,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:51:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 88 transitions. [2022-10-17 16:51:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2022-10-17 16:51:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:51:47,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:51:47,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:51:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2022-10-17 16:51:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2022-10-17 16:51:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:51:48,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:48,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:48,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:51:48,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:51:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:48,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 98 transitions. [2022-10-17 16:51:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2022-10-17 16:51:48,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:51:48,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:48,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:48,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:48,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:51:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 101 transitions. [2022-10-17 16:51:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2022-10-17 16:51:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:51:49,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:49,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:49,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:49,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:51:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 100 transitions. [2022-10-17 16:51:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2022-10-17 16:51:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:51:49,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:49,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:51:49,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:50,374 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:51:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:51:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 57 states and 106 transitions. [2022-10-17 16:51:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2022-10-17 16:51:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:51:51,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:51:51,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:51:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 60 states and 112 transitions. [2022-10-17 16:51:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2022-10-17 16:51:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:51:52,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:52,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:52,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:51:52,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:51:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 115 transitions. [2022-10-17 16:51:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2022-10-17 16:51:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:51:53,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:53,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:51:53,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:51:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 65 states and 122 transitions. [2022-10-17 16:51:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-10-17 16:51:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:51:55,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:55,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:51:55,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:51:56,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 127 transitions. [2022-10-17 16:51:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2022-10-17 16:51:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:51:56,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:56,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:51:56,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:51:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:57,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 68 states and 129 transitions. [2022-10-17 16:51:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2022-10-17 16:51:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:51:57,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:57,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:57,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:57,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-10-17 16:51:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 70 states and 132 transitions. [2022-10-17 16:51:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2022-10-17 16:51:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:51:58,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:58,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:58,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:51:58,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:51:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 71 states and 135 transitions. [2022-10-17 16:51:58,996 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2022-10-17 16:51:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:51:58,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:58,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:59,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:59,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-10-17 16:52:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 73 states and 138 transitions. [2022-10-17 16:52:00,581 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2022-10-17 16:52:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:52:00,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:00,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:00,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:52:00,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-10-17 16:52:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 73 states and 137 transitions. [2022-10-17 16:52:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2022-10-17 16:52:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:52:01,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:01,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:01,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:52:01,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 16:52:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 76 states and 143 transitions. [2022-10-17 16:52:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2022-10-17 16:52:03,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:52:03,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:03,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:03,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:52:03,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 16:52:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 79 states and 149 transitions. [2022-10-17 16:52:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2022-10-17 16:52:04,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:52:04,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:04,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:04,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:52:04,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:05,435 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 16:52:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 80 states and 152 transitions. [2022-10-17 16:52:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2022-10-17 16:52:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:52:06,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:52:06,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 16:52:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 84 states and 159 transitions. [2022-10-17 16:52:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2022-10-17 16:52:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 16:52:08,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:08,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:08,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:52:08,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-17 16:52:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 86 states and 163 transitions. [2022-10-17 16:52:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-10-17 16:52:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:52:10,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:10,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:10,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:52:10,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-17 16:52:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 87 states and 165 transitions. [2022-10-17 16:52:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2022-10-17 16:52:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-17 16:52:12,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:12,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:12,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:52:12,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2022-10-17 16:52:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 88 states and 168 transitions. [2022-10-17 16:52:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2022-10-17 16:52:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-17 16:52:13,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:13,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:13,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:52:13,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked.