./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ --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 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:01:45,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:01:45,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:01:45,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:01:45,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:01:45,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:01:45,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:01:45,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:01:45,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:01:45,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:01:45,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:01:45,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:01:45,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:01:45,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:01:45,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:01:45,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:01:45,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:01:45,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:01:45,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:01:45,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:01:45,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:01:45,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:01:45,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:01:45,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:01:45,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:01:45,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:01:45,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:01:45,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:01:45,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:01:45,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:01:45,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:01:45,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:01:45,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:01:45,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:01:45,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:01:45,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:01:45,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:01:45,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:01:45,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:01:45,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:01:45,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:01:45,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:01:45,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:01:45,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:01:45,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:01:45,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:01:45,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:01:45,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:01:45,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:01:45,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:01:45,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:01:45,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:01:45,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:01:45,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:01:45,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:01:45,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:01:45,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:01:45,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:01:45,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:01:45,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:01:45,523 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:01:45,523 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:01:45,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:01:45,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:45,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:01:45,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:01:45,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:01:45,525 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:01:45,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:01:45,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:01:45,526 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_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 [2021-11-23 01:01:45,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:01:45,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:01:45,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:01:45,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:01:45,836 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:01:45,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2021-11-23 01:01:45,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/data/715a28617/cf6cf6b2bc734577b14a098f0967a55a/FLAG5d6b94c95 [2021-11-23 01:01:46,493 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:01:46,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2021-11-23 01:01:46,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/data/715a28617/cf6cf6b2bc734577b14a098f0967a55a/FLAG5d6b94c95 [2021-11-23 01:01:46,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/data/715a28617/cf6cf6b2bc734577b14a098f0967a55a [2021-11-23 01:01:46,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:01:46,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:01:46,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:46,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:01:46,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:01:46,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:46" (1/1) ... [2021-11-23 01:01:46,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279898be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:46, skipping insertion in model container [2021-11-23 01:01:46,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:46" (1/1) ... [2021-11-23 01:01:46,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:01:46,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:47,045 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_8e06c92e-309d-409c-a1f8-058652848645/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c[489,502] [2021-11-23 01:01:47,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:47,078 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:01:47,093 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_8e06c92e-309d-409c-a1f8-058652848645/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c[489,502] [2021-11-23 01:01:47,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:47,116 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:01:47,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47 WrapperNode [2021-11-23 01:01:47,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:47,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:47,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:01:47,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:01:47,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,171 INFO L137 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2021-11-23 01:01:47,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:47,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:01:47,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:01:47,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:01:47,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:01:47,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:01:47,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:01:47,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:01:47,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:47,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:01:47,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:01:47,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e06c92e-309d-409c-a1f8-058652848645/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:01:47,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:01:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:01:47,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:01:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:01:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:01:47,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:01:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:01:47,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:01:47,406 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:01:47,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:01:47,605 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:01:47,633 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:01:47,634 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:01:47,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:47 BoogieIcfgContainer [2021-11-23 01:01:47,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:01:47,638 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:01:47,638 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:01:47,649 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:01:47,650 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:47" (1/1) ... [2021-11-23 01:01:47,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:01:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2021-11-23 01:01:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2021-11-23 01:01:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:01:47,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:47,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:01:48,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:01:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:48,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-23 01:01:48,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-23 01:01:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:48,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:48,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:01:48,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2021-11-23 01:01:49,113 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2021-11-23 01:01:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:49,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:49,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:49,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:01:49,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2021-11-23 01:01:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2021-11-23 01:01:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:49,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:49,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:49,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:01:49,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2021-11-23 01:01:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2021-11-23 01:01:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:50,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:50,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:01:50,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2021-11-23 01:01:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-11-23 01:01:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:50,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:50,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:01:50,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2021-11-23 01:01:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-11-23 01:01:50,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:50,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:50,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:01:50,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2021-11-23 01:01:50,595 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2021-11-23 01:01:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:50,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:50,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:01:50,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:01:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 01:01:51,476 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 01:01:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:51,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:51,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:51,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:01:51,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:01:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 01:01:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 01:01:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:51,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:51,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:51,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:01:51,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:01:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 01:01:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 01:01:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:51,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:51,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:51,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:01:51,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:51,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 01:01:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 01:01:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:51,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:51,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:51,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:01:51,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:01:52,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 01:01:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 01:01:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:52,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:52,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:52,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:01:52,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:01:52,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:52,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2021-11-23 01:01:52,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2021-11-23 01:01:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:01:52,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:52,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:52,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:01:52,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:01:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 86 transitions. [2021-11-23 01:01:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2021-11-23 01:01:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:01:53,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:53,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:53,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:01:53,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:01:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 49 states and 91 transitions. [2021-11-23 01:01:54,923 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 91 transitions. [2021-11-23 01:01:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:01:54,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:54,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:54,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:01:54,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:01:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 49 states and 90 transitions. [2021-11-23 01:01:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2021-11-23 01:01:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:01:55,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:55,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:55,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:01:55,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:01:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 105 transitions. [2021-11-23 01:01:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2021-11-23 01:01:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:01:56,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:56,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:56,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:01:56,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:01:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 57 states and 115 transitions. [2021-11-23 01:01:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2021-11-23 01:01:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:01:57,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:57,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:57,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:01:57,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:58,028 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:01:58,675 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:02:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 62 states and 130 transitions. [2021-11-23 01:02:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 130 transitions. [2021-11-23 01:02:01,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:02:01,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:01,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:01,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:02:01,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:01,738 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:02:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 66 states and 142 transitions. [2021-11-23 01:02:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 142 transitions. [2021-11-23 01:02:03,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:02:03,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:03,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:03,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:03,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:03,925 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:02:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 71 states and 164 transitions. [2021-11-23 01:02:06,377 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 164 transitions. [2021-11-23 01:02:06,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:02:06,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:06,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:06,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:02:06,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:07,103 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:02:09,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 75 states and 179 transitions. [2021-11-23 01:02:09,513 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 179 transitions. [2021-11-23 01:02:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:02:09,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:09,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:09,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:02:09,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:02:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 78 states and 188 transitions. [2021-11-23 01:02:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 188 transitions. [2021-11-23 01:02:11,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:02:11,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:11,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:11,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:02:11,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:02:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 79 states and 191 transitions. [2021-11-23 01:02:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 191 transitions. [2021-11-23 01:02:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:02:12,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:12,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:12,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:02:12,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:02:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 83 states and 201 transitions. [2021-11-23 01:02:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 201 transitions. [2021-11-23 01:02:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:02:40,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:40,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:02:40,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:02:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 87 states and 224 transitions. [2021-11-23 01:02:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 224 transitions. [2021-11-23 01:02:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:02:44,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:44,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:44,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:02:44,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:02:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 88 states and 225 transitions. [2021-11-23 01:02:45,521 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 225 transitions. [2021-11-23 01:02:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:02:45,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:02:45,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:02:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 89 states and 228 transitions. [2021-11-23 01:02:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 228 transitions. [2021-11-23 01:02:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:02:46,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:46,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:02:46,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:02:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:47,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 90 states and 229 transitions. [2021-11-23 01:02:47,707 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 229 transitions. [2021-11-23 01:02:47,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:02:47,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:47,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:47,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:02:47,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 01:02:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 92 states and 236 transitions. [2021-11-23 01:02:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 236 transitions. [2021-11-23 01:02:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:02:49,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 01:02:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 93 states and 237 transitions. [2021-11-23 01:02:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 237 transitions. [2021-11-23 01:02:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:02:50,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:02:50,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 01:03:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 99 states and 260 transitions. [2021-11-23 01:03:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 260 transitions. [2021-11-23 01:03:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:03:09,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:09,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:10,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:03:10,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 01:03:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 101 states and 269 transitions. [2021-11-23 01:03:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 269 transitions. [2021-11-23 01:03:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:03:13,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:13,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:03:13,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 01:03:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 102 states and 270 transitions. [2021-11-23 01:03:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 270 transitions. [2021-11-23 01:03:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:03:15,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:03:15,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:18,254 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:03:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 106 states and 285 transitions. [2021-11-23 01:03:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 285 transitions. [2021-11-23 01:03:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:03:26,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:03:26,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:03:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 109 states and 294 transitions. [2021-11-23 01:03:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 294 transitions. [2021-11-23 01:03:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:03:32,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:03:32,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:03:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 110 states and 296 transitions. [2021-11-23 01:03:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 296 transitions. [2021-11-23 01:03:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:03:36,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:36,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:03:36,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:03:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 111 states and 299 transitions. [2021-11-23 01:03:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 299 transitions. [2021-11-23 01:03:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:03:39,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:03:39,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:03:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 112 states and 300 transitions. [2021-11-23 01:03:44,496 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 300 transitions. [2021-11-23 01:03:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:03:44,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:44,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:03:44,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 01:03:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 116 states and 324 transitions. [2021-11-23 01:03:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 324 transitions. [2021-11-23 01:03:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:03:54,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:03:54,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 01:03:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 117 states and 328 transitions. [2021-11-23 01:03:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 328 transitions. [2021-11-23 01:03:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:03:59,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:03:59,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 01:04:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 118 states and 331 transitions. [2021-11-23 01:04:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 331 transitions. [2021-11-23 01:04:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:04:02,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:02,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:04:02,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:04,411 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 01:04:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 119 states and 332 transitions. [2021-11-23 01:04:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 332 transitions. [2021-11-23 01:04:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:04:05,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:05,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:04:06,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:08,152 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 01:04:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 120 states and 333 transitions. [2021-11-23 01:04:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 333 transitions. [2021-11-23 01:04:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:04:09,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:09,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:09,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:04:09,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 01:04:15,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 122 states and 341 transitions. [2021-11-23 01:04:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 341 transitions. [2021-11-23 01:04:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:04:15,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:15,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:15,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:04:15,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-23 01:04:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 123 states and 342 transitions. [2021-11-23 01:04:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 342 transitions. [2021-11-23 01:04:17,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:04:17,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:17,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:04:17,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-23 01:04:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 124 states and 343 transitions. [2021-11-23 01:04:19,002 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 343 transitions. [2021-11-23 01:04:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:04:19,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:19,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:19,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:04:19,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:19,451 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 23 proven. 24 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-23 01:05:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:24,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 132 states and 371 transitions. [2021-11-23 01:05:24,268 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 371 transitions. [2021-11-23 01:05:24,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:05:24,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:24,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:24,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:05:24,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-23 01:06:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:01,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 391 transitions. [2021-11-23 01:06:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 391 transitions. [2021-11-23 01:06:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:06:01,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:01,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:01,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:06:01,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-23 01:06:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:20,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 138 states and 396 transitions. [2021-11-23 01:06:20,334 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 396 transitions. [2021-11-23 01:06:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:06:20,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:20,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:20,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:06:20,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-23 01:06:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 140 states and 400 transitions. [2021-11-23 01:06:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 400 transitions. [2021-11-23 01:06:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:06:32,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:32,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:32,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:06:32,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:07:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 144 states and 417 transitions. [2021-11-23 01:07:11,147 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 417 transitions. [2021-11-23 01:07:11,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:07:11,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:11,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:11,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:07:11,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:07:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 147 states and 428 transitions. [2021-11-23 01:07:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 428 transitions. [2021-11-23 01:07:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:07:49,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:49,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:49,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:07:49,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:56,311 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:08:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 148 states and 429 transitions. [2021-11-23 01:08:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 429 transitions. [2021-11-23 01:08:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:08:02,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:02,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:02,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:08:02,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:02,919 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 25 proven. 27 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-11-23 01:09:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 158 states and 446 transitions. [2021-11-23 01:09:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 446 transitions. [2021-11-23 01:09:16,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:09:16,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:16,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:16,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:09:16,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:09:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 159 states and 448 transitions. [2021-11-23 01:09:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 448 transitions. [2021-11-23 01:09:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:09:31,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:31,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:31,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:09:31,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:10:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 163 states and 474 transitions. [2021-11-23 01:10:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 474 transitions. [2021-11-23 01:10:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:10:06,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:06,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:06,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:10:06,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:10:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:28,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 165 states and 481 transitions. [2021-11-23 01:10:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 481 transitions. [2021-11-23 01:10:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:10:28,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:28,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:29,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:10:29,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:10:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 166 states and 484 transitions. [2021-11-23 01:10:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 484 transitions. [2021-11-23 01:10:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:10:38,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:38,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:38,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:10:38,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:10:53,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:53,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 167 states and 488 transitions. [2021-11-23 01:10:53,734 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 488 transitions. [2021-11-23 01:10:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:10:53,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:53,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:53,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:10:53,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:11:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 168 states and 489 transitions. [2021-11-23 01:11:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 489 transitions. [2021-11-23 01:11:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:11:10,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:10,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:10,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:11:10,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:11:22,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 170 states and 498 transitions. [2021-11-23 01:11:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 498 transitions. [2021-11-23 01:11:22,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:11:22,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:22,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:22,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:11:22,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:11:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 171 states and 499 transitions. [2021-11-23 01:11:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 499 transitions. [2021-11-23 01:11:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:11:31,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:31,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:31,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:11:31,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:11:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 172 states and 500 transitions. [2021-11-23 01:11:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 500 transitions. [2021-11-23 01:11:36,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:11:36,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:36,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:36,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:11:36,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:11:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 173 states and 501 transitions. [2021-11-23 01:11:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 501 transitions. [2021-11-23 01:11:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:11:43,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:43,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:43,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:11:43,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-23 01:14:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 178 states and 521 transitions. [2021-11-23 01:14:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 521 transitions. [2021-11-23 01:14:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:14:18,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:18,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:18,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:14:18,872 INFO L286 TraceCheckSpWp]: Computing forward predicates...