./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.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_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/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_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/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_491ff23f-cfc4-4c20-93be-ee2d85279a11/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 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:18:03,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:18:03,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:18:03,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:18:03,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:18:03,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:18:03,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:18:03,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:18:03,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:18:03,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:18:03,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:18:03,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:18:03,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:18:03,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:18:03,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:18:03,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:18:03,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:18:03,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:18:03,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:18:03,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:18:03,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:18:03,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:18:03,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:18:03,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:18:03,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:18:03,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:18:03,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:18:03,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:18:03,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:18:03,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:18:03,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:18:03,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:18:03,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:18:03,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:18:03,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:18:03,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:18:03,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:18:03,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:18:03,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:18:03,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:18:03,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:18:03,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:18:03,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:18:03,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:18:03,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:18:03,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:18:03,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:18:03,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:18:03,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:18:03,685 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:18:03,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:18:03,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:18:03,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:18:03,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:18:03,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:18:03,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:18:03,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:18:03,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:18:03,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:18:03,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:18:03,688 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:18:03,689 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:18:03,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:18:03,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:18:03,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:18:03,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:18:03,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:18:03,690 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:18:03,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:18:03,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:18:03,691 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_491ff23f-cfc4-4c20-93be-ee2d85279a11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd [2021-11-23 01:18:04,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:18:04,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:18:04,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:18:04,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:18:04,036 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:18:04,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2021-11-23 01:18:04,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/data/f12ae1b90/c2dc1cddf32e40298d1d1598aa3b8020/FLAG7649329d2 [2021-11-23 01:18:04,656 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:18:04,657 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2021-11-23 01:18:04,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/data/f12ae1b90/c2dc1cddf32e40298d1d1598aa3b8020/FLAG7649329d2 [2021-11-23 01:18:05,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/data/f12ae1b90/c2dc1cddf32e40298d1d1598aa3b8020 [2021-11-23 01:18:05,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:18:05,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:18:05,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:18:05,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:18:05,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:18:05,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3522c7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05, skipping insertion in model container [2021-11-23 01:18:05,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:18:05,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:18:05,250 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_491ff23f-cfc4-4c20-93be-ee2d85279a11/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c[588,601] [2021-11-23 01:18:05,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:18:05,315 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:18:05,330 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_491ff23f-cfc4-4c20-93be-ee2d85279a11/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c[588,601] [2021-11-23 01:18:05,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:18:05,362 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:18:05,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05 WrapperNode [2021-11-23 01:18:05,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:18:05,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:18:05,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:18:05,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:18:05,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,407 INFO L137 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2021-11-23 01:18:05,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:18:05,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:18:05,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:18:05,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:18:05,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:18:05,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:18:05,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:18:05,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:18:05,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:18:05,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:18:05,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:18:05,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491ff23f-cfc4-4c20-93be-ee2d85279a11/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:18:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:18:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:18:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:18:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:18:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:18:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:18:05,624 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:18:05,626 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:18:05,776 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:18:05,807 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:18:05,807 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:18:05,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:05 BoogieIcfgContainer [2021-11-23 01:18:05,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:18:05,812 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:18:05,812 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:18:05,826 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:18:05,827 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:05" (1/1) ... [2021-11-23 01:18:05,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:18:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2021-11-23 01:18:05,986 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2021-11-23 01:18:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:18:05,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2021-11-23 01:18:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2021-11-23 01:18:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:18:06,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2021-11-23 01:18:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2021-11-23 01:18:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:18:07,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:18:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2021-11-23 01:18:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-23 01:18:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:07,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:07,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:18:07,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:18:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2021-11-23 01:18:08,175 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2021-11-23 01:18:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:18:08,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:18:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2021-11-23 01:18:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2021-11-23 01:18:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:18:08,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:08,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:08,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:18:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2021-11-23 01:18:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 01:18:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:18:09,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:18:09,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:18:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 81 transitions. [2021-11-23 01:18:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2021-11-23 01:18:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:18:10,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:18:10,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:18:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 88 transitions. [2021-11-23 01:18:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-11-23 01:18:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:18:11,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:18:11,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:18:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2021-11-23 01:18:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2021-11-23 01:18:12,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:18:12,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:12,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:18:12,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:18:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 98 transitions. [2021-11-23 01:18:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2021-11-23 01:18:13,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:18:13,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:18:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 101 transitions. [2021-11-23 01:18:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-23 01:18:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:18:13,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:13,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:13,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 01:18:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 54 states and 100 transitions. [2021-11-23 01:18:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2021-11-23 01:18:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:18:14,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:18:14,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:18:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 57 states and 106 transitions. [2021-11-23 01:18:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2021-11-23 01:18:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:18:16,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:18:17,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 112 transitions. [2021-11-23 01:18:17,540 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2021-11-23 01:18:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:18:17,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:18:17,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:18:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 61 states and 115 transitions. [2021-11-23 01:18:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2021-11-23 01:18:19,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:18:19,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:18:19,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:18:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 65 states and 122 transitions. [2021-11-23 01:18:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-11-23 01:18:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:18:20,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:18:20,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:18:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 67 states and 127 transitions. [2021-11-23 01:18:21,804 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2021-11-23 01:18:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:18:21,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:21,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:21,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:18:21,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:22,416 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:18:23,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 68 states and 129 transitions. [2021-11-23 01:18:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2021-11-23 01:18:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:18:23,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:23,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2021-11-23 01:18:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 70 states and 132 transitions. [2021-11-23 01:18:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2021-11-23 01:18:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:18:24,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:18:24,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:18:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 71 states and 135 transitions. [2021-11-23 01:18:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2021-11-23 01:18:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:18:25,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:25,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-23 01:18:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 73 states and 138 transitions. [2021-11-23 01:18:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2021-11-23 01:18:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:18:27,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-11-23 01:18:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 137 transitions. [2021-11-23 01:18:27,686 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2021-11-23 01:18:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:18:27,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:18:27,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:18:30,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 76 states and 143 transitions. [2021-11-23 01:18:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2021-11-23 01:18:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:18:30,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:18:30,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:18:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 79 states and 149 transitions. [2021-11-23 01:18:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2021-11-23 01:18:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:18:32,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:18:32,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:18:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 80 states and 152 transitions. [2021-11-23 01:18:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2021-11-23 01:18:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:18:34,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:18:34,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:18:36,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 84 states and 159 transitions. [2021-11-23 01:18:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2021-11-23 01:18:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:18:36,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:18:37,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:18:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 86 states and 163 transitions. [2021-11-23 01:18:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2021-11-23 01:18:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:18:39,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:18:39,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:18:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:41,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 87 states and 165 transitions. [2021-11-23 01:18:41,366 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2021-11-23 01:18:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:18:41,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:41,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,890 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:18:42,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 88 states and 168 transitions. [2021-11-23 01:18:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2021-11-23 01:18:42,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:18:42,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:42,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:42,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:42,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-11-23 01:18:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 88 states and 167 transitions. [2021-11-23 01:18:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 167 transitions. [2021-11-23 01:18:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:18:43,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:18:47,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 91 states and 173 transitions. [2021-11-23 01:18:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 173 transitions. [2021-11-23 01:18:47,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 01:18:47,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:18:47,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 42 proven. 54 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:18:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 94 states and 179 transitions. [2021-11-23 01:18:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 179 transitions. [2021-11-23 01:18:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:18:49,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:49,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:18:49,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 44 proven. 42 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:18:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 95 states and 182 transitions. [2021-11-23 01:18:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 182 transitions. [2021-11-23 01:18:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 01:18:53,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:18:53,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 44 proven. 58 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:18:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 99 states and 189 transitions. [2021-11-23 01:18:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 189 transitions. [2021-11-23 01:18:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 01:18:56,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:56,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:18:56,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 46 proven. 42 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:19:00,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 101 states and 193 transitions. [2021-11-23 01:19:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 193 transitions. [2021-11-23 01:19:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 01:19:00,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:00,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:00,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:19:00,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 46 proven. 62 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:19:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 102 states and 196 transitions. [2021-11-23 01:19:03,856 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 196 transitions. [2021-11-23 01:19:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 01:19:03,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:03,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:03,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:19:03,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 48 proven. 66 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:19:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 104 states and 201 transitions. [2021-11-23 01:19:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2021-11-23 01:19:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 01:19:06,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:06,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:19:06,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2021-11-23 01:19:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 104 states and 200 transitions. [2021-11-23 01:19:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 200 transitions. [2021-11-23 01:19:07,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 01:19:07,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:07,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:19:07,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 52 proven. 70 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:19:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 107 states and 206 transitions. [2021-11-23 01:19:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 206 transitions. [2021-11-23 01:19:12,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 01:19:12,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:19:12,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 52 proven. 85 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:19:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 110 states and 211 transitions. [2021-11-23 01:19:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 211 transitions. [2021-11-23 01:19:15,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:19:15,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:15,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:15,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:19:15,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 54 proven. 70 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:19:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 111 states and 213 transitions. [2021-11-23 01:19:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 213 transitions. [2021-11-23 01:19:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:19:19,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:19:19,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 54 proven. 90 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:19:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 112 states and 216 transitions. [2021-11-23 01:19:24,122 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 216 transitions. [2021-11-23 01:19:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 01:19:24,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:19:24,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:26,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 56 proven. 70 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:19:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 113 states and 218 transitions. [2021-11-23 01:19:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 218 transitions. [2021-11-23 01:19:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:19:28,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:28,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:19:28,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 56 proven. 95 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:19:32,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 114 states and 219 transitions. [2021-11-23 01:19:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 219 transitions. [2021-11-23 01:19:32,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:19:32,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:32,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:32,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:19:32,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 58 proven. 100 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:19:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 115 states and 222 transitions. [2021-11-23 01:19:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 222 transitions. [2021-11-23 01:19:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 01:19:34,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:34,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:34,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:19:34,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1905 backedges. 159 proven. 13 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2021-11-23 01:19:35,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 115 states and 221 transitions. [2021-11-23 01:19:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 221 transitions. [2021-11-23 01:19:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:19:35,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:35,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:35,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:19:35,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 62 proven. 105 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:19:41,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 118 states and 227 transitions. [2021-11-23 01:19:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 227 transitions. [2021-11-23 01:19:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:19:41,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:41,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:19:41,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 62 proven. 123 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:19:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 121 states and 232 transitions. [2021-11-23 01:19:45,790 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 232 transitions. [2021-11-23 01:19:45,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 01:19:45,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:19:45,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2153 backedges. 64 proven. 105 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-23 01:19:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 122 states and 235 transitions. [2021-11-23 01:19:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 235 transitions. [2021-11-23 01:19:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-23 01:19:52,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:52,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:52,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:19:52,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 64 proven. 129 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-23 01:19:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 123 states and 238 transitions. [2021-11-23 01:19:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 238 transitions. [2021-11-23 01:19:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 01:19:58,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:58,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:58,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:19:58,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2283 backedges. 66 proven. 105 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-11-23 01:20:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 125 states and 242 transitions. [2021-11-23 01:20:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 242 transitions. [2021-11-23 01:20:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 01:20:04,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:04,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:05,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:20:05,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 66 proven. 135 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2021-11-23 01:20:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 126 states and 243 transitions. [2021-11-23 01:20:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 243 transitions. [2021-11-23 01:20:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 01:20:10,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:10,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:10,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:20:10,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 68 proven. 141 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2021-11-23 01:20:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 127 states and 246 transitions. [2021-11-23 01:20:13,312 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 246 transitions. [2021-11-23 01:20:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 01:20:13,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:13,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:13,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:20:13,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2597 backedges. 189 proven. 13 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2021-11-23 01:20:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 127 states and 245 transitions. [2021-11-23 01:20:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2021-11-23 01:20:14,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 01:20:14,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:14,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:14,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:20:14,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 72 proven. 147 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-11-23 01:20:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 130 states and 251 transitions. [2021-11-23 01:20:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 251 transitions. [2021-11-23 01:20:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 01:20:22,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:22,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:22,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:20:22,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2760 backedges. 72 proven. 168 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-11-23 01:20:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 133 states and 256 transitions. [2021-11-23 01:20:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 256 transitions. [2021-11-23 01:20:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-23 01:20:28,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:28,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:28,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:20:28,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2885 backedges. 74 proven. 147 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:20:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 134 states and 258 transitions. [2021-11-23 01:20:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 258 transitions. [2021-11-23 01:20:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:20:35,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:20:35,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 74 proven. 175 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2021-11-23 01:20:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 135 states and 261 transitions. [2021-11-23 01:20:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 261 transitions. [2021-11-23 01:20:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 01:20:43,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:20:43,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3035 backedges. 76 proven. 147 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2021-11-23 01:20:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 136 states and 263 transitions. [2021-11-23 01:20:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 263 transitions. [2021-11-23 01:20:51,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 01:20:51,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:51,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:52,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:20:52,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 76 proven. 182 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2021-11-23 01:21:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 137 states and 265 transitions. [2021-11-23 01:21:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 265 transitions. [2021-11-23 01:21:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-23 01:21:00,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:00,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:00,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:21:00,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:01,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3231 backedges. 78 proven. 189 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked. [2021-11-23 01:21:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 139 states and 270 transitions. [2021-11-23 01:21:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 270 transitions. [2021-11-23 01:21:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 01:21:05,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:05,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:21:05,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3396 backedges. 219 proven. 13 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2021-11-23 01:21:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 139 states and 269 transitions. [2021-11-23 01:21:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 269 transitions. [2021-11-23 01:21:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-23 01:21:07,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:07,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:07,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:21:07,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3558 backedges. 82 proven. 196 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2021-11-23 01:21:16,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 142 states and 275 transitions. [2021-11-23 01:21:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 275 transitions. [2021-11-23 01:21:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-23 01:21:16,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:16,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:16,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 01:21:16,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3582 backedges. 82 proven. 220 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2021-11-23 01:21:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 145 states and 280 transitions. [2021-11-23 01:21:25,457 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 280 transitions. [2021-11-23 01:21:25,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-23 01:21:25,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:25,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:25,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 01:21:25,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3724 backedges. 84 proven. 196 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2021-11-23 01:21:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 146 states and 283 transitions. [2021-11-23 01:21:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 283 transitions. [2021-11-23 01:21:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 01:21:39,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:39,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:39,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:21:39,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 84 proven. 228 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2021-11-23 01:21:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 147 states and 286 transitions. [2021-11-23 01:21:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 286 transitions. [2021-11-23 01:21:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 01:21:50,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:50,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:50,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 01:21:50,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3894 backedges. 86 proven. 196 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2021-11-23 01:22:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:05,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 149 states and 290 transitions. [2021-11-23 01:22:05,438 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 290 transitions. [2021-11-23 01:22:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 01:22:05,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:05,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:05,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:22:05,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3934 backedges. 86 proven. 236 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2021-11-23 01:22:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:15,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 150 states and 291 transitions. [2021-11-23 01:22:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 291 transitions. [2021-11-23 01:22:15,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 01:22:15,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:15,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:15,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:22:15,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4116 backedges. 88 proven. 244 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2021-11-23 01:22:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 151 states and 294 transitions. [2021-11-23 01:22:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 294 transitions. [2021-11-23 01:22:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-23 01:22:20,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:20,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4302 backedges. 249 proven. 13 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2021-11-23 01:22:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 151 states and 293 transitions. [2021-11-23 01:22:22,190 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 293 transitions. [2021-11-23 01:22:22,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-23 01:22:22,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:22,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:22,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 01:22:22,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4484 backedges. 92 proven. 252 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2021-11-23 01:22:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 154 states and 299 transitions. [2021-11-23 01:22:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 299 transitions. [2021-11-23 01:22:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 01:22:35,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:35,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:35,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:22:35,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:41,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4511 backedges. 92 proven. 279 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2021-11-23 01:22:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 157 states and 304 transitions. [2021-11-23 01:22:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 304 transitions. [2021-11-23 01:22:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-23 01:22:47,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:47,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:47,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:22:47,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4670 backedges. 94 proven. 252 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2021-11-23 01:23:00,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 158 states and 306 transitions. [2021-11-23 01:23:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 306 transitions. [2021-11-23 01:23:00,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 01:23:00,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:00,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:00,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-23 01:23:00,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4706 backedges. 94 proven. 288 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2021-11-23 01:23:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 159 states and 310 transitions. [2021-11-23 01:23:15,950 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 310 transitions. [2021-11-23 01:23:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 01:23:15,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:15,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:16,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-23 01:23:16,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 96 proven. 252 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2021-11-23 01:23:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 160 states and 312 transitions. [2021-11-23 01:23:33,201 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 312 transitions. [2021-11-23 01:23:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-23 01:23:33,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:33,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:23:33,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4905 backedges. 96 proven. 297 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2021-11-23 01:23:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 161 states and 312 transitions. [2021-11-23 01:23:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 312 transitions. [2021-11-23 01:23:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-23 01:23:46,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:23:46,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5108 backedges. 98 proven. 306 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2021-11-23 01:23:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:52,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 162 states and 315 transitions. [2021-11-23 01:23:52,757 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 315 transitions. [2021-11-23 01:23:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 01:23:52,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:52,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:52,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:23:52,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 279 proven. 13 refuted. 0 times theorem prover too weak. 5023 trivial. 0 not checked. [2021-11-23 01:23:55,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 162 states and 314 transitions. [2021-11-23 01:23:55,683 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 314 transitions. [2021-11-23 01:23:55,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-23 01:23:55,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:23:55,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5517 backedges. 102 proven. 315 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2021-11-23 01:24:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 165 states and 320 transitions. [2021-11-23 01:24:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 320 transitions. [2021-11-23 01:24:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-23 01:24:10,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:10,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 01:24:10,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:18,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5547 backedges. 102 proven. 345 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2021-11-23 01:24:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 168 states and 325 transitions. [2021-11-23 01:24:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 325 transitions. [2021-11-23 01:24:27,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-23 01:24:27,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:27,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 01:24:27,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5723 backedges. 104 proven. 315 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2021-11-23 01:24:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 169 states and 328 transitions. [2021-11-23 01:24:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 328 transitions. [2021-11-23 01:24:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-23 01:24:51,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:51,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:51,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-23 01:24:51,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5763 backedges. 104 proven. 355 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2021-11-23 01:25:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:11,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 170 states and 331 transitions. [2021-11-23 01:25:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 331 transitions. [2021-11-23 01:25:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 01:25:11,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:11,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-23 01:25:12,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5933 backedges. 106 proven. 315 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2021-11-23 01:25:34,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:34,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 172 states and 335 transitions. [2021-11-23 01:25:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 335 transitions. [2021-11-23 01:25:34,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 01:25:34,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:34,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:34,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 01:25:34,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5983 backedges. 106 proven. 365 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2021-11-23 01:25:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 173 states and 337 transitions. [2021-11-23 01:25:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 337 transitions. [2021-11-23 01:25:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 01:25:58,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:58,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:58,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:25:58,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6207 backedges. 108 proven. 375 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2021-11-23 01:26:11,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 175 states and 342 transitions. [2021-11-23 01:26:11,325 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 342 transitions. [2021-11-23 01:26:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-23 01:26:11,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6435 backedges. 309 proven. 13 refuted. 0 times theorem prover too weak. 6113 trivial. 0 not checked. [2021-11-23 01:26:14,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 175 states and 341 transitions. [2021-11-23 01:26:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 341 transitions. [2021-11-23 01:26:14,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-23 01:26:14,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:14,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:14,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:26:14,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6657 backedges. 112 proven. 385 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-23 01:26:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 178 states and 347 transitions. [2021-11-23 01:26:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 347 transitions. [2021-11-23 01:26:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 01:26:40,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-23 01:26:40,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6690 backedges. 112 proven. 418 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-23 01:27:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 181 states and 352 transitions. [2021-11-23 01:27:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 352 transitions. [2021-11-23 01:27:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-23 01:27:02,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:02,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-23 01:27:02,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6883 backedges. 114 proven. 385 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2021-11-23 01:27:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 182 states and 354 transitions. [2021-11-23 01:27:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 354 transitions. [2021-11-23 01:27:29,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-23 01:27:29,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:29,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:29,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-23 01:27:29,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6927 backedges. 114 proven. 429 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2021-11-23 01:27:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 183 states and 358 transitions. [2021-11-23 01:27:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 358 transitions. [2021-11-23 01:27:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 01:27:56,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:56,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-23 01:27:56,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7113 backedges. 116 proven. 385 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2021-11-23 01:28:35,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:28:35,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 184 states and 360 transitions. [2021-11-23 01:28:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 360 transitions. [2021-11-23 01:28:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-23 01:28:35,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:35,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:35,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-23 01:28:35,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7168 backedges. 116 proven. 440 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2021-11-23 01:29:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 185 states and 360 transitions. [2021-11-23 01:29:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 360 transitions. [2021-11-23 01:29:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-23 01:29:12,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:12,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:13,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:29:13,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 7413 backedges. 118 proven. 451 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2021-11-23 01:29:23,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 186 states and 363 transitions. [2021-11-23 01:29:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 363 transitions. [2021-11-23 01:29:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-23 01:29:23,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:23,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:23,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:29:23,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7662 backedges. 339 proven. 13 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2021-11-23 01:29:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 186 states and 362 transitions. [2021-11-23 01:29:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 362 transitions. [2021-11-23 01:29:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-23 01:29:31,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:29:31,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7904 backedges. 122 proven. 462 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2021-11-23 01:29:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 189 states and 368 transitions. [2021-11-23 01:29:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 368 transitions. [2021-11-23 01:29:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-23 01:29:55,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:55,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:55,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-23 01:29:55,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7940 backedges. 122 proven. 498 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2021-11-23 01:30:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 192 states and 373 transitions. [2021-11-23 01:30:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 373 transitions. [2021-11-23 01:30:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-23 01:30:26,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:26,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:26,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 01:30:26,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8150 backedges. 124 proven. 462 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked.