./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.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_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/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_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/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_82f67440-069b-4442-a5c3-40039a9f20e3/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 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:33:35,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:33:35,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:33:35,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:33:35,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:33:35,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:33:35,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:33:35,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:33:35,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:33:35,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:33:35,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:33:35,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:33:35,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:33:35,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:33:35,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:33:35,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:33:35,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:33:35,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:33:35,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:33:35,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:33:35,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:33:35,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:33:35,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:33:35,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:33:35,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:33:35,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:33:35,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:33:35,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:33:35,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:33:35,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:33:35,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:33:35,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:33:35,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:33:35,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:33:35,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:33:35,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:33:35,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:33:35,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:33:35,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:33:35,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:33:35,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:33:35,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:33:35,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:33:35,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:33:35,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:33:35,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:33:35,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:33:35,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:33:35,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:33:35,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:33:35,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:33:35,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:33:35,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:33:35,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:33:35,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:33:35,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:33:35,180 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:33:35,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:33:35,181 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:33:35,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:33:35,181 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:33:35,181 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:33:35,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:33:35,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:35,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:33:35,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:33:35,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:33:35,182 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:33:35,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:33:35,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:33:35,183 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_82f67440-069b-4442-a5c3-40039a9f20e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2021-11-23 01:33:35,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:33:35,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:33:35,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:33:35,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:33:35,479 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:33:35,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2021-11-23 01:33:35,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/data/62595f6d0/277a4dceb2da4e868fa7750fad44efd0/FLAG387bc8099 [2021-11-23 01:33:36,022 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:33:36,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2021-11-23 01:33:36,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/data/62595f6d0/277a4dceb2da4e868fa7750fad44efd0/FLAG387bc8099 [2021-11-23 01:33:36,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/data/62595f6d0/277a4dceb2da4e868fa7750fad44efd0 [2021-11-23 01:33:36,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:33:36,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:33:36,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:36,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:33:36,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:33:36,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ee40f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36, skipping insertion in model container [2021-11-23 01:33:36,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:33:36,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:33:36,632 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_82f67440-069b-4442-a5c3-40039a9f20e3/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c[520,533] [2021-11-23 01:33:36,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:36,656 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:33:36,666 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_82f67440-069b-4442-a5c3-40039a9f20e3/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c[520,533] [2021-11-23 01:33:36,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:36,687 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:33:36,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36 WrapperNode [2021-11-23 01:33:36,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:36,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:36,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:33:36,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:33:36,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,724 INFO L137 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 01:33:36,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:36,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:33:36,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:33:36,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:33:36,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:33:36,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:33:36,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:33:36,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:33:36,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:36" (1/1) ... [2021-11-23 01:33:36,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:36,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:33:36,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:33:36,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f67440-069b-4442-a5c3-40039a9f20e3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:33:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:33:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:33:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:33:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:33:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:33:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:33:36,897 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:33:36,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:33:37,045 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:33:37,072 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:33:37,072 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:33:37,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:37 BoogieIcfgContainer [2021-11-23 01:33:37,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:33:37,076 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:33:37,076 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:33:37,116 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:33:37,116 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:37" (1/1) ... [2021-11-23 01:33:37,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:33:37,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-23 01:33:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-23 01:33:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:33:37,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:37,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:37,371 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 01:33:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-11-23 01:33:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-23 01:33:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:33:37,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:37,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:37,471 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 01:33:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 01:33:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 01:33:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:33:37,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:37,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:37,683 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 01:33:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:38,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2021-11-23 01:33:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2021-11-23 01:33:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:38,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:38,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:38,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:33:38,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:38,280 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 01:33:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-11-23 01:33:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-11-23 01:33:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:33:38,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:38,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:38,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:33:38,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:38,975 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 01:33:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-11-23 01:33:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-11-23 01:33:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:33:39,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:39,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:39,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:39,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:33:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2021-11-23 01:33:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-11-23 01:33:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:33:39,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:39,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:39,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:39,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:33:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 66 transitions. [2021-11-23 01:33:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 01:33:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:33:40,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:40,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:40,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:33:40,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:33:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 47 states and 106 transitions. [2021-11-23 01:33:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 106 transitions. [2021-11-23 01:33:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:33:41,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:41,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:41,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:41,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:33:42,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:42,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 49 states and 107 transitions. [2021-11-23 01:33:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 107 transitions. [2021-11-23 01:33:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:33:42,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:42,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:42,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:42,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:33:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 51 states and 114 transitions. [2021-11-23 01:33:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2021-11-23 01:33:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:33:42,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:42,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:42,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:42,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:33:44,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 124 transitions. [2021-11-23 01:33:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2021-11-23 01:33:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:33:44,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:44,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:44,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:44,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:33:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 123 transitions. [2021-11-23 01:33:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2021-11-23 01:33:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:33:44,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:44,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:44,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:44,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:33:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 53 states and 122 transitions. [2021-11-23 01:33:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2021-11-23 01:33:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:33:45,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:45,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:45,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:45,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:33:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 54 states and 130 transitions. [2021-11-23 01:33:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 130 transitions. [2021-11-23 01:33:46,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:33:46,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:46,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:46,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:46,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:33:46,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 55 states and 132 transitions. [2021-11-23 01:33:46,508 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 132 transitions. [2021-11-23 01:33:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:46,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:46,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:46,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:46,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:33:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 59 states and 145 transitions. [2021-11-23 01:33:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 145 transitions. [2021-11-23 01:33:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:47,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:47,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:47,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:47,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:33:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 61 states and 146 transitions. [2021-11-23 01:33:48,299 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 146 transitions. [2021-11-23 01:33:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:48,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:48,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:48,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:33:48,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:33:49,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 67 states and 169 transitions. [2021-11-23 01:33:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 169 transitions. [2021-11-23 01:33:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:49,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:49,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:49,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:49,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:33:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 69 states and 170 transitions. [2021-11-23 01:33:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 170 transitions. [2021-11-23 01:33:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:33:50,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:50,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:50,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:33:50,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:33:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 73 states and 205 transitions. [2021-11-23 01:33:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 205 transitions. [2021-11-23 01:33:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:33:51,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:51,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:51,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:51,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 01:33:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 73 states and 204 transitions. [2021-11-23 01:33:51,448 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 204 transitions. [2021-11-23 01:33:51,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:33:51,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:51,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:51,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:33:51,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:33:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:52,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 75 states and 219 transitions. [2021-11-23 01:33:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 219 transitions. [2021-11-23 01:33:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:33:52,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:52,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:53,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:33:53,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:33:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 75 states and 218 transitions. [2021-11-23 01:33:53,762 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 218 transitions. [2021-11-23 01:33:53,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:33:53,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:53,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:53,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:33:53,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:33:54,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 75 states and 217 transitions. [2021-11-23 01:33:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2021-11-23 01:33:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:33:54,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:54,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:54,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:33:54,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:33:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 76 states and 229 transitions. [2021-11-23 01:33:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 229 transitions. [2021-11-23 01:33:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:33:55,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:55,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:55,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:55,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-23 01:33:56,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:56,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 77 states and 232 transitions. [2021-11-23 01:33:56,180 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 232 transitions. [2021-11-23 01:33:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:33:56,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:56,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:56,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:33:56,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:33:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:57,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 81 states and 249 transitions. [2021-11-23 01:33:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 249 transitions. [2021-11-23 01:33:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:33:57,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:57,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:57,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:33:57,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:33:58,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 83 states and 250 transitions. [2021-11-23 01:33:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 250 transitions. [2021-11-23 01:33:58,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:33:58,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:58,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:58,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:33:58,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:33:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 85 states and 251 transitions. [2021-11-23 01:33:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 251 transitions. [2021-11-23 01:33:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:33:59,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:59,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:59,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:33:59,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:34:01,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 95 states and 326 transitions. [2021-11-23 01:34:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 326 transitions. [2021-11-23 01:34:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:34:01,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:01,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:01,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:34:01,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:34:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 97 states and 327 transitions. [2021-11-23 01:34:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 327 transitions. [2021-11-23 01:34:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:34:02,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:02,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:02,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:34:02,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:34:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 97 states and 326 transitions. [2021-11-23 01:34:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 326 transitions. [2021-11-23 01:34:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:34:03,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:03,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:03,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:34:03,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:34:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 97 states and 325 transitions. [2021-11-23 01:34:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 325 transitions. [2021-11-23 01:34:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:34:03,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:03,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:03,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:03,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-23 01:34:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 97 states and 324 transitions. [2021-11-23 01:34:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 324 transitions. [2021-11-23 01:34:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:34:04,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:04,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:04,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:04,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:34:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 99 states and 344 transitions. [2021-11-23 01:34:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 344 transitions. [2021-11-23 01:34:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:34:05,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:05,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:05,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:05,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:06,364 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:34:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 99 states and 343 transitions. [2021-11-23 01:34:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 343 transitions. [2021-11-23 01:34:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:34:07,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:07,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:07,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:07,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:34:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 99 states and 342 transitions. [2021-11-23 01:34:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 342 transitions. [2021-11-23 01:34:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:34:08,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:08,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:08,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:08,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:34:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 99 states and 341 transitions. [2021-11-23 01:34:09,364 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 341 transitions. [2021-11-23 01:34:09,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:34:09,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:09,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:09,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:34:09,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 22 proven. 33 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:34:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:10,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 100 states and 357 transitions. [2021-11-23 01:34:10,642 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 357 transitions. [2021-11-23 01:34:10,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:34:10,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:10,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:10,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:10,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-23 01:34:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 101 states and 361 transitions. [2021-11-23 01:34:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 361 transitions. [2021-11-23 01:34:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:11,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:11,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:11,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:34:11,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:34:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 105 states and 382 transitions. [2021-11-23 01:34:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 382 transitions. [2021-11-23 01:34:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:13,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:13,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:13,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:34:13,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:34:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 107 states and 383 transitions. [2021-11-23 01:34:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 383 transitions. [2021-11-23 01:34:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:14,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:14,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:14,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:34:14,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:34:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:15,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 109 states and 384 transitions. [2021-11-23 01:34:15,517 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 384 transitions. [2021-11-23 01:34:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:15,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:15,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:15,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:15,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:34:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 115 states and 417 transitions. [2021-11-23 01:34:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 417 transitions. [2021-11-23 01:34:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:17,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:17,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:17,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:34:17,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:34:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 117 states and 418 transitions. [2021-11-23 01:34:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 418 transitions. [2021-11-23 01:34:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:19,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:19,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:19,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:34:19,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:34:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 119 states and 419 transitions. [2021-11-23 01:34:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 419 transitions. [2021-11-23 01:34:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:20,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:20,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:20,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:20,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:34:22,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:22,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 123 states and 476 transitions. [2021-11-23 01:34:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 476 transitions. [2021-11-23 01:34:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:22,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:22,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:22,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:22,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:22,498 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:34:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 123 states and 475 transitions. [2021-11-23 01:34:23,054 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 475 transitions. [2021-11-23 01:34:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:34:23,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:23,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:23,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:23,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:23,261 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 01:34:23,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 123 states and 474 transitions. [2021-11-23 01:34:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 474 transitions. [2021-11-23 01:34:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:34:23,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:23,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:23,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:23,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-23 01:34:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 123 states and 473 transitions. [2021-11-23 01:34:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 473 transitions. [2021-11-23 01:34:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:34:24,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:24,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:24,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:34:24,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:34:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 125 states and 498 transitions. [2021-11-23 01:34:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 498 transitions. [2021-11-23 01:34:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:34:27,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:27,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:27,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:34:27,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:34:28,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 125 states and 497 transitions. [2021-11-23 01:34:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 497 transitions. [2021-11-23 01:34:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:34:28,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:28,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:28,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:34:28,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:34:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 125 states and 496 transitions. [2021-11-23 01:34:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 496 transitions. [2021-11-23 01:34:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:34:30,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:30,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:30,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:34:30,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:34:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 125 states and 495 transitions. [2021-11-23 01:34:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 495 transitions. [2021-11-23 01:34:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:34:31,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:31,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:31,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:34:31,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:34:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 125 states and 494 transitions. [2021-11-23 01:34:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 494 transitions. [2021-11-23 01:34:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:34:33,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:33,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:33,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:34:33,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 28 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:34:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 126 states and 514 transitions. [2021-11-23 01:34:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 514 transitions. [2021-11-23 01:34:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:34:35,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:35,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:35,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:35,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2021-11-23 01:34:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 127 states and 519 transitions. [2021-11-23 01:34:35,806 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 519 transitions. [2021-11-23 01:34:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:35,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:35,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:35,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:35,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:34:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 131 states and 544 transitions. [2021-11-23 01:34:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 544 transitions. [2021-11-23 01:34:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:38,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:38,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:38,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:38,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:34:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:40,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 133 states and 545 transitions. [2021-11-23 01:34:40,299 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 545 transitions. [2021-11-23 01:34:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:40,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:40,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:40,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:34:40,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:34:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 143 states and 652 transitions. [2021-11-23 01:34:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 652 transitions. [2021-11-23 01:34:44,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:44,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:44,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:44,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:44,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:34:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:46,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 145 states and 653 transitions. [2021-11-23 01:34:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 653 transitions. [2021-11-23 01:34:46,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:46,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:46,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:46,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:46,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:34:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 147 states and 654 transitions. [2021-11-23 01:34:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 654 transitions. [2021-11-23 01:34:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:47,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:47,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:47,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:34:47,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:34:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 147 states and 653 transitions. [2021-11-23 01:34:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 653 transitions. [2021-11-23 01:34:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:48,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:48,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:48,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:48,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:34:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 149 states and 654 transitions. [2021-11-23 01:34:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 654 transitions. [2021-11-23 01:34:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:50,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:50,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:50,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:34:50,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:34:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 149 states and 653 transitions. [2021-11-23 01:34:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 653 transitions. [2021-11-23 01:34:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:50,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:50,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:50,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:34:50,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 30 proven. 75 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:34:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 151 states and 654 transitions. [2021-11-23 01:34:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 654 transitions. [2021-11-23 01:34:52,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:52,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:52,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:52,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:34:52,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:34:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 151 states and 653 transitions. [2021-11-23 01:34:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 653 transitions. [2021-11-23 01:34:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:34:53,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:53,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:34:53,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:34:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 151 states and 652 transitions. [2021-11-23 01:34:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 652 transitions. [2021-11-23 01:34:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:34:54,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:54,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:54,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-11-23 01:34:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:54,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 151 states and 651 transitions. [2021-11-23 01:34:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 651 transitions. [2021-11-23 01:34:54,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:34:54,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:54,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:34:54,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:34:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:58,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 153 states and 681 transitions. [2021-11-23 01:34:58,321 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 681 transitions. [2021-11-23 01:34:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:34:58,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:58,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:58,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:34:58,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:59,125 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:35:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 153 states and 680 transitions. [2021-11-23 01:35:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 680 transitions. [2021-11-23 01:35:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:35:00,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:00,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:00,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:35:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 153 states and 679 transitions. [2021-11-23 01:35:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 679 transitions. [2021-11-23 01:35:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:35:02,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:02,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:02,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:02,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:35:04,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:04,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 153 states and 678 transitions. [2021-11-23 01:35:04,050 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 678 transitions. [2021-11-23 01:35:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:35:04,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:04,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:04,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:04,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:35:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 153 states and 677 transitions. [2021-11-23 01:35:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 677 transitions. [2021-11-23 01:35:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:35:06,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:06,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:06,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:35:06,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 80 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:35:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 153 states and 676 transitions. [2021-11-23 01:35:08,271 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 676 transitions. [2021-11-23 01:35:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:35:08,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:35:08,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 34 proven. 85 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:35:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 154 states and 700 transitions. [2021-11-23 01:35:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 700 transitions. [2021-11-23 01:35:11,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:35:11,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:11,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:11,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:11,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:11,341 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2021-11-23 01:35:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 155 states and 706 transitions. [2021-11-23 01:35:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 706 transitions. [2021-11-23 01:35:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:11,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:11,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:11,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:35:11,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:35:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 159 states and 735 transitions. [2021-11-23 01:35:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 735 transitions. [2021-11-23 01:35:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:15,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:15,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:15,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:35:15,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:35:17,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:17,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 161 states and 736 transitions. [2021-11-23 01:35:17,565 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 736 transitions. [2021-11-23 01:35:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:17,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:17,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:17,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:35:17,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:35:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 163 states and 737 transitions. [2021-11-23 01:35:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 737 transitions. [2021-11-23 01:35:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:19,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:19,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:19,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:35:19,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:35:21,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 165 states and 738 transitions. [2021-11-23 01:35:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 738 transitions. [2021-11-23 01:35:21,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:21,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:21,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:21,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:35:21,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:35:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 167 states and 739 transitions. [2021-11-23 01:35:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 739 transitions. [2021-11-23 01:35:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:23,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:23,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:23,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:35:23,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:35:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 173 states and 782 transitions. [2021-11-23 01:35:27,106 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 782 transitions. [2021-11-23 01:35:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:27,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:27,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:27,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:35:27,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:35:28,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 175 states and 783 transitions. [2021-11-23 01:35:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 783 transitions. [2021-11-23 01:35:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:28,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:28,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:28,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:35:28,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:35:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 179 states and 862 transitions. [2021-11-23 01:35:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 862 transitions. [2021-11-23 01:35:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:31,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:31,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:31,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:35:31,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:35:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 181 states and 863 transitions. [2021-11-23 01:35:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 863 transitions. [2021-11-23 01:35:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:33,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:33,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:33,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:35:33,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:35:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 181 states and 862 transitions. [2021-11-23 01:35:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 862 transitions. [2021-11-23 01:35:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:34,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:35:34,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:35:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:35,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 181 states and 861 transitions. [2021-11-23 01:35:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 861 transitions. [2021-11-23 01:35:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:35,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:35,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:35,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:35:35,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:35:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 181 states and 860 transitions. [2021-11-23 01:35:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 860 transitions. [2021-11-23 01:35:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:35:36,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:36,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:36,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:35:36,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:35:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:37,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 181 states and 859 transitions. [2021-11-23 01:35:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 859 transitions. [2021-11-23 01:35:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:35:37,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:37,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:37,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:35:37,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-23 01:35:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:38,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 181 states and 858 transitions. [2021-11-23 01:35:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 858 transitions. [2021-11-23 01:35:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:35:38,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:38,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:38,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:35:38,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:35:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 183 states and 893 transitions. [2021-11-23 01:35:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 893 transitions. [2021-11-23 01:35:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:35:43,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:43,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:43,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:35:43,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:35:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:45,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 183 states and 892 transitions. [2021-11-23 01:35:45,623 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 892 transitions. [2021-11-23 01:35:45,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:35:45,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:45,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:45,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:35:45,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:35:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 183 states and 891 transitions. [2021-11-23 01:35:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 891 transitions. [2021-11-23 01:35:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:35:48,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:48,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:48,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:35:48,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:35:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 183 states and 890 transitions. [2021-11-23 01:35:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 890 transitions. [2021-11-23 01:35:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:35:50,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:50,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:50,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:35:50,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:35:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:53,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 183 states and 889 transitions. [2021-11-23 01:35:53,552 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 889 transitions. [2021-11-23 01:35:53,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:35:53,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:53,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:53,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:35:53,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:35:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 183 states and 888 transitions. [2021-11-23 01:35:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 888 transitions. [2021-11-23 01:35:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:35:56,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:56,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:35:56,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 114 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:35:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 183 states and 887 transitions. [2021-11-23 01:35:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 887 transitions. [2021-11-23 01:35:58,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 01:35:58,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:58,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:58,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:35:58,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 40 proven. 120 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:36:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 184 states and 915 transitions. [2021-11-23 01:36:02,310 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 915 transitions. [2021-11-23 01:36:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:36:02,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:02,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:02,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:02,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2021-11-23 01:36:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 185 states and 922 transitions. [2021-11-23 01:36:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 922 transitions. [2021-11-23 01:36:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:03,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:03,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:36:03,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:36:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 189 states and 955 transitions. [2021-11-23 01:36:08,107 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 955 transitions. [2021-11-23 01:36:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:08,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:36:08,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:36:11,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 191 states and 956 transitions. [2021-11-23 01:36:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 956 transitions. [2021-11-23 01:36:11,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:11,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:11,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:36:11,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:36:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 193 states and 957 transitions. [2021-11-23 01:36:13,294 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 957 transitions. [2021-11-23 01:36:13,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:13,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:13,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:13,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:36:13,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:36:15,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 195 states and 958 transitions. [2021-11-23 01:36:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 958 transitions. [2021-11-23 01:36:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:15,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:15,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:15,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:36:15,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:36:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 197 states and 959 transitions. [2021-11-23 01:36:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 959 transitions. [2021-11-23 01:36:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:17,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:17,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:17,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:36:17,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:36:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 199 states and 960 transitions. [2021-11-23 01:36:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 960 transitions. [2021-11-23 01:36:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:20,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:20,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:20,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:36:20,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:36:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 201 states and 961 transitions. [2021-11-23 01:36:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 961 transitions. [2021-11-23 01:36:22,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:22,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:22,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:22,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:36:22,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:36:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 207 states and 1009 transitions. [2021-11-23 01:36:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 1009 transitions. [2021-11-23 01:36:27,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:27,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:27,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:27,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:36:27,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 42 proven. 147 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:36:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 209 states and 1010 transitions. [2021-11-23 01:36:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 1010 transitions. [2021-11-23 01:36:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:29,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:29,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:29,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:36:29,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:36:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 213 states and 1100 transitions. [2021-11-23 01:36:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1100 transitions. [2021-11-23 01:36:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:33,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:33,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:33,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:36:33,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:33,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:36:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 213 states and 1099 transitions. [2021-11-23 01:36:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1099 transitions. [2021-11-23 01:36:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:34,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:34,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:34,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:36:34,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:36:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 213 states and 1098 transitions. [2021-11-23 01:36:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1098 transitions. [2021-11-23 01:36:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:35,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:35,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:35,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:36:35,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:36:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 213 states and 1097 transitions. [2021-11-23 01:36:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1097 transitions. [2021-11-23 01:36:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:36,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:36,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:36,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:36:36,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:37,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:36:38,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 213 states and 1096 transitions. [2021-11-23 01:36:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1096 transitions. [2021-11-23 01:36:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:36:38,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:38,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:38,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:36:38,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:38,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 42 proven. 896 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:36:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 213 states and 1095 transitions. [2021-11-23 01:36:39,389 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1095 transitions. [2021-11-23 01:36:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:36:39,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:39,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:39,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:36:39,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2021-11-23 01:36:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 213 states and 1094 transitions. [2021-11-23 01:36:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1094 transitions. [2021-11-23 01:36:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:36:40,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:40,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:40,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:36:40,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:36:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 215 states and 1134 transitions. [2021-11-23 01:36:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1134 transitions. [2021-11-23 01:36:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:36:46,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:46,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:46,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:36:46,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:36:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 215 states and 1133 transitions. [2021-11-23 01:36:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1133 transitions. [2021-11-23 01:36:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:36:50,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:50,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:50,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:36:50,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:36:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 215 states and 1132 transitions. [2021-11-23 01:36:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1132 transitions. [2021-11-23 01:36:53,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:36:53,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:53,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:36:53,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:36:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 215 states and 1131 transitions. [2021-11-23 01:36:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1131 transitions. [2021-11-23 01:36:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:36:57,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:57,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:57,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:36:57,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:37:00,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 215 states and 1130 transitions. [2021-11-23 01:37:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1130 transitions. [2021-11-23 01:37:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:37:00,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:00,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:00,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:37:00,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:01,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:37:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:03,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 215 states and 1129 transitions. [2021-11-23 01:37:03,892 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1129 transitions. [2021-11-23 01:37:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:37:03,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:03,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:03,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:37:03,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:37:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 215 states and 1128 transitions. [2021-11-23 01:37:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1128 transitions. [2021-11-23 01:37:07,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:37:07,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:07,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:37:07,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 44 proven. 154 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:37:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 215 states and 1127 transitions. [2021-11-23 01:37:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1127 transitions. [2021-11-23 01:37:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:37:10,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:10,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:10,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:37:10,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 46 proven. 161 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:37:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 216 states and 1159 transitions. [2021-11-23 01:37:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 1159 transitions. [2021-11-23 01:37:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:37:18,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:18,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:37:18,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-23 01:37:20,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 217 states and 1167 transitions. [2021-11-23 01:37:20,471 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 1167 transitions. [2021-11-23 01:37:20,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:20,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:20,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:20,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:20,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 221 states and 1204 transitions. [2021-11-23 01:37:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1204 transitions. [2021-11-23 01:37:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:27,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:27,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:27,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:27,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:30,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:30,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 223 states and 1205 transitions. [2021-11-23 01:37:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 1205 transitions. [2021-11-23 01:37:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:30,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:30,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:30,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:30,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 225 states and 1206 transitions. [2021-11-23 01:37:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 1206 transitions. [2021-11-23 01:37:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:32,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:32,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:32,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:32,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 227 states and 1207 transitions. [2021-11-23 01:37:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 1207 transitions. [2021-11-23 01:37:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:35,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:35,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:35,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:35,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:38,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 229 states and 1208 transitions. [2021-11-23 01:37:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1208 transitions. [2021-11-23 01:37:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:38,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:38,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:38,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:38,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 231 states and 1209 transitions. [2021-11-23 01:37:41,402 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 1209 transitions. [2021-11-23 01:37:41,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:41,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:41,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:41,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:41,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 233 states and 1210 transitions. [2021-11-23 01:37:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1210 transitions. [2021-11-23 01:37:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:45,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:45,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:46,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:46,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 235 states and 1211 transitions. [2021-11-23 01:37:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1211 transitions. [2021-11-23 01:37:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:48,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:48,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:48,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:37:48,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:37:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 241 states and 1264 transitions. [2021-11-23 01:37:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1264 transitions. [2021-11-23 01:37:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:55,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:55,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:55,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:37:55,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 48 proven. 192 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:37:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 243 states and 1265 transitions. [2021-11-23 01:37:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 1265 transitions. [2021-11-23 01:37:58,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:37:58,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:58,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:58,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:37:58,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:59,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:38:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:03,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 247 states and 1366 transitions. [2021-11-23 01:38:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1366 transitions. [2021-11-23 01:38:03,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:38:03,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:03,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:03,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:38:03,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:38:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 247 states and 1365 transitions. [2021-11-23 01:38:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1365 transitions. [2021-11-23 01:38:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:38:05,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:05,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:05,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:38:05,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:38:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:06,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 247 states and 1364 transitions. [2021-11-23 01:38:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1364 transitions. [2021-11-23 01:38:06,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:38:06,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:06,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:06,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:38:06,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:38:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:08,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 247 states and 1363 transitions. [2021-11-23 01:38:08,171 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1363 transitions. [2021-11-23 01:38:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:38:08,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:08,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:08,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:38:08,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:38:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 247 states and 1362 transitions. [2021-11-23 01:38:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1362 transitions. [2021-11-23 01:38:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:38:09,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:09,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:09,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:38:09,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:38:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 247 states and 1361 transitions. [2021-11-23 01:38:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1361 transitions. [2021-11-23 01:38:11,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:38:11,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:38:11,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 48 proven. 1192 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-23 01:38:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 247 states and 1360 transitions. [2021-11-23 01:38:12,698 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1360 transitions. [2021-11-23 01:38:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:38:12,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:12,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:12,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:38:12,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:12,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2021-11-23 01:38:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 247 states and 1359 transitions. [2021-11-23 01:38:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1359 transitions. [2021-11-23 01:38:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:13,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:13,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:13,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:13,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 249 states and 1404 transitions. [2021-11-23 01:38:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1404 transitions. [2021-11-23 01:38:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:22,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:22,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:22,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:22,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 249 states and 1403 transitions. [2021-11-23 01:38:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1403 transitions. [2021-11-23 01:38:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:26,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:26,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:26,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:26,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 249 states and 1402 transitions. [2021-11-23 01:38:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1402 transitions. [2021-11-23 01:38:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:31,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:31,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:31,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:31,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 249 states and 1401 transitions. [2021-11-23 01:38:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1401 transitions. [2021-11-23 01:38:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:35,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:35,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:36,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:36,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 249 states and 1400 transitions. [2021-11-23 01:38:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1400 transitions. [2021-11-23 01:38:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:40,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:40,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:40,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:40,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 249 states and 1399 transitions. [2021-11-23 01:38:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1399 transitions. [2021-11-23 01:38:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:45,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:45,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:45,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:45,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:50,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 249 states and 1398 transitions. [2021-11-23 01:38:50,081 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1398 transitions. [2021-11-23 01:38:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:50,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:50,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:50,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:50,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 249 states and 1397 transitions. [2021-11-23 01:38:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1397 transitions. [2021-11-23 01:38:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:38:55,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:55,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:55,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:38:55,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 50 proven. 200 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:38:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:59,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 249 states and 1396 transitions. [2021-11-23 01:38:59,873 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1396 transitions. [2021-11-23 01:38:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:38:59,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:59,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:59,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:38:59,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 52 proven. 208 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:39:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 250 states and 1432 transitions. [2021-11-23 01:39:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1432 transitions. [2021-11-23 01:39:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 01:39:09,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:09,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:09,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:39:09,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 149 proven. 7 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2021-11-23 01:39:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 251 states and 1441 transitions. [2021-11-23 01:39:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 1441 transitions. [2021-11-23 01:39:13,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:13,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:13,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:13,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:13,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:23,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:23,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 255 states and 1482 transitions. [2021-11-23 01:39:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 1482 transitions. [2021-11-23 01:39:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:23,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:23,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:23,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:23,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 257 states and 1483 transitions. [2021-11-23 01:39:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 1483 transitions. [2021-11-23 01:39:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:26,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:26,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:26,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:26,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 259 states and 1484 transitions. [2021-11-23 01:39:30,200 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 1484 transitions. [2021-11-23 01:39:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:30,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:30,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:30,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:30,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:33,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 261 states and 1485 transitions. [2021-11-23 01:39:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 1485 transitions. [2021-11-23 01:39:33,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:33,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:33,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:33,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:33,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 263 states and 1486 transitions. [2021-11-23 01:39:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 1486 transitions. [2021-11-23 01:39:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:37,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:37,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:37,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:39:37,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:39:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 269 states and 1544 transitions. [2021-11-23 01:39:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 1544 transitions. [2021-11-23 01:39:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:45,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:45,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:45,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:45,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:49,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 271 states and 1545 transitions. [2021-11-23 01:39:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 1545 transitions. [2021-11-23 01:39:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:49,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:49,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:49,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:39:49,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:39:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:55,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 275 states and 1657 transitions. [2021-11-23 01:39:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1657 transitions. [2021-11-23 01:39:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:55,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:55,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:55,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:39:55,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:39:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 277 states and 1658 transitions. [2021-11-23 01:39:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1658 transitions. [2021-11-23 01:39:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:39:59,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:59,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:59,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:39:59,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:00,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 277 states and 1657 transitions. [2021-11-23 01:40:00,929 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1657 transitions. [2021-11-23 01:40:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:00,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:00,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:00,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:40:00,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:40:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 279 states and 1658 transitions. [2021-11-23 01:40:04,829 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1658 transitions. [2021-11-23 01:40:04,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:04,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:04,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:04,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:04,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:06,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 279 states and 1657 transitions. [2021-11-23 01:40:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1657 transitions. [2021-11-23 01:40:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:06,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:06,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:06,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:40:06,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:40:13,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 281 states and 1658 transitions. [2021-11-23 01:40:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 1658 transitions. [2021-11-23 01:40:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:13,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:13,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:13,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:40:13,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 54 proven. 243 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:40:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 283 states and 1659 transitions. [2021-11-23 01:40:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1659 transitions. [2021-11-23 01:40:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:17,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:17,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:17,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 283 states and 1658 transitions. [2021-11-23 01:40:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1658 transitions. [2021-11-23 01:40:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:19,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:19,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:19,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:19,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:19,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:21,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 283 states and 1657 transitions. [2021-11-23 01:40:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1657 transitions. [2021-11-23 01:40:21,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:21,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:21,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:21,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:21,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 283 states and 1656 transitions. [2021-11-23 01:40:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1656 transitions. [2021-11-23 01:40:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:23,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:23,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:23,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:23,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:23,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 283 states and 1655 transitions. [2021-11-23 01:40:25,019 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1655 transitions. [2021-11-23 01:40:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:40:25,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:25,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:25,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:40:25,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 54 proven. 1530 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-23 01:40:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 283 states and 1654 transitions. [2021-11-23 01:40:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1654 transitions. [2021-11-23 01:40:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:40:26,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:26,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:26,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:40:26,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1631 trivial. 0 not checked. [2021-11-23 01:40:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 283 states and 1653 transitions. [2021-11-23 01:40:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1653 transitions. [2021-11-23 01:40:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:28,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:28,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:28,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:28,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:40:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 285 states and 1703 transitions. [2021-11-23 01:40:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1703 transitions. [2021-11-23 01:40:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:39,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:39,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:39,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:39,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:40:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 285 states and 1702 transitions. [2021-11-23 01:40:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1702 transitions. [2021-11-23 01:40:45,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:45,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:45,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:45,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:45,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:48,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:40:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 285 states and 1701 transitions. [2021-11-23 01:40:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1701 transitions. [2021-11-23 01:40:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:51,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:51,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:51,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:51,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:40:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 285 states and 1700 transitions. [2021-11-23 01:40:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1700 transitions. [2021-11-23 01:40:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:40:57,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:57,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:57,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:40:57,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 285 states and 1699 transitions. [2021-11-23 01:41:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1699 transitions. [2021-11-23 01:41:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:03,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:03,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:03,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:03,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 285 states and 1698 transitions. [2021-11-23 01:41:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1698 transitions. [2021-11-23 01:41:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:08,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:08,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:08,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:08,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:14,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 285 states and 1697 transitions. [2021-11-23 01:41:14,570 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1697 transitions. [2021-11-23 01:41:14,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:14,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:14,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:14,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:14,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 285 states and 1696 transitions. [2021-11-23 01:41:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1696 transitions. [2021-11-23 01:41:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:20,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:20,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:20,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:20,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 285 states and 1695 transitions. [2021-11-23 01:41:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1695 transitions. [2021-11-23 01:41:26,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:41:26,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:26,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:26,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:41:26,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 56 proven. 252 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 01:41:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 285 states and 1694 transitions. [2021-11-23 01:41:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1694 transitions. [2021-11-23 01:41:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 01:41:32,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:32,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:32,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:41:32,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:36,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 58 proven. 261 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:41:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 286 states and 1734 transitions. [2021-11-23 01:41:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 1734 transitions. [2021-11-23 01:41:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 01:41:45,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:45,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:45,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:41:45,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:45,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 167 proven. 7 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2021-11-23 01:41:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 287 states and 1744 transitions. [2021-11-23 01:41:49,083 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1744 transitions. [2021-11-23 01:41:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:41:49,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:49,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:49,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:41:49,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:41:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 291 states and 1789 transitions. [2021-11-23 01:41:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 1789 transitions. [2021-11-23 01:41:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:41:59,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:59,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:59,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:41:59,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:04,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 293 states and 1790 transitions. [2021-11-23 01:42:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1790 transitions. [2021-11-23 01:42:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:04,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:04,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:04,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:04,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 295 states and 1791 transitions. [2021-11-23 01:42:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1791 transitions. [2021-11-23 01:42:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:12,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:12,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:12,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:12,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 297 states and 1792 transitions. [2021-11-23 01:42:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1792 transitions. [2021-11-23 01:42:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:16,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:16,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:16,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:16,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 299 states and 1793 transitions. [2021-11-23 01:42:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1793 transitions. [2021-11-23 01:42:21,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:21,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:21,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:21,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:42:21,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:42:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 305 states and 1856 transitions. [2021-11-23 01:42:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1856 transitions. [2021-11-23 01:42:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:32,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:32,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:32,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:32,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 307 states and 1857 transitions. [2021-11-23 01:42:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1857 transitions. [2021-11-23 01:42:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:36,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:36,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:36,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:42:36,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:42:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 311 states and 1980 transitions. [2021-11-23 01:42:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1980 transitions. [2021-11-23 01:42:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:44,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:44,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:44,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:44,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 313 states and 1981 transitions. [2021-11-23 01:42:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1981 transitions. [2021-11-23 01:42:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:49,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:49,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:49,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:42:49,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:42:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 313 states and 1980 transitions. [2021-11-23 01:42:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1980 transitions. [2021-11-23 01:42:51,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:51,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:51,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:51,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:51,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:42:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 315 states and 1981 transitions. [2021-11-23 01:42:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1981 transitions. [2021-11-23 01:42:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:42:56,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:56,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:56,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:42:56,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:43:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 317 states and 1982 transitions. [2021-11-23 01:43:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 1982 transitions. [2021-11-23 01:43:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:01,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:01,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:01,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:43:01,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:43:05,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 319 states and 1983 transitions. [2021-11-23 01:43:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1983 transitions. [2021-11-23 01:43:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:05,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:05,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:06,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:43:06,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 60 proven. 300 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:43:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 321 states and 1984 transitions. [2021-11-23 01:43:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1984 transitions. [2021-11-23 01:43:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:10,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:10,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:10,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:43:10,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:43:13,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 321 states and 1983 transitions. [2021-11-23 01:43:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1983 transitions. [2021-11-23 01:43:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:13,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:13,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:13,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:43:13,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:43:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 321 states and 1982 transitions. [2021-11-23 01:43:15,522 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1982 transitions. [2021-11-23 01:43:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:15,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:15,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:15,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:43:15,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:15,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:43:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 321 states and 1981 transitions. [2021-11-23 01:43:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1981 transitions. [2021-11-23 01:43:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:18,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:18,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:18,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:43:18,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:43:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 321 states and 1980 transitions. [2021-11-23 01:43:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1980 transitions. [2021-11-23 01:43:20,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:20,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:20,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:20,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:43:20,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:43:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 321 states and 1979 transitions. [2021-11-23 01:43:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1979 transitions. [2021-11-23 01:43:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:22,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:22,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:22,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:43:22,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:43:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:25,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 321 states and 1978 transitions. [2021-11-23 01:43:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1978 transitions. [2021-11-23 01:43:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:43:25,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:25,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:25,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:43:25,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 60 proven. 1910 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:43:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 321 states and 1977 transitions. [2021-11-23 01:43:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1977 transitions. [2021-11-23 01:43:27,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 01:43:27,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:27,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:27,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:43:27,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 163 proven. 7 refuted. 0 times theorem prover too weak. 2022 trivial. 0 not checked. [2021-11-23 01:43:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 321 states and 1976 transitions. [2021-11-23 01:43:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1976 transitions. [2021-11-23 01:43:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:43:28,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:28,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:28,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:43:28,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:43:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:43,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 323 states and 2031 transitions. [2021-11-23 01:43:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2031 transitions. [2021-11-23 01:43:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:43:43,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:43,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:43,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:43:43,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:43:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 323 states and 2030 transitions. [2021-11-23 01:43:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2030 transitions. [2021-11-23 01:43:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:43:52,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:44:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 323 states and 2029 transitions. [2021-11-23 01:44:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2029 transitions. [2021-11-23 01:44:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:44:00,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:00,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:00,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:44:00,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:44:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 323 states and 2028 transitions. [2021-11-23 01:44:09,600 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2028 transitions. [2021-11-23 01:44:09,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:44:09,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:09,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:09,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:44:09,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:44:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 323 states and 2027 transitions. [2021-11-23 01:44:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2027 transitions. [2021-11-23 01:44:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:44:18,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:18,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:18,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:44:18,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:44:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 323 states and 2026 transitions. [2021-11-23 01:44:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2026 transitions. [2021-11-23 01:44:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:44:27,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:27,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:27,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:44:27,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:44:36,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 323 states and 2025 transitions. [2021-11-23 01:44:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2025 transitions. [2021-11-23 01:44:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:44:36,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:36,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:36,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:44:36,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:44:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:45,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 323 states and 2024 transitions. [2021-11-23 01:44:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2024 transitions. [2021-11-23 01:44:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:44:45,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:45,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:45,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:44:45,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:44:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 323 states and 2023 transitions. [2021-11-23 01:44:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2023 transitions. [2021-11-23 01:44:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:44:53,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:53,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:44:53,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:45:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 323 states and 2022 transitions. [2021-11-23 01:45:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2022 transitions. [2021-11-23 01:45:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:45:01,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:45:01,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 62 proven. 310 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:45:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 323 states and 2021 transitions. [2021-11-23 01:45:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 2021 transitions. [2021-11-23 01:45:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 01:45:09,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:09,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:09,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:45:09,361 INFO L286 TraceCheckSpWp]: Computing forward predicates...