./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.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_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/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_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/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_3089cf98-834b-4658-bf9f-f49358e104b0/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 c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:39:08,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:08,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:08,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:08,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:08,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:08,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:08,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:08,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:08,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:08,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:08,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:08,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:08,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:08,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:08,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:08,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:08,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:08,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:08,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:08,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:08,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:08,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:08,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:08,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:08,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:08,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:08,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:08,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:08,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:08,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:08,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:08,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:08,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:08,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:08,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:08,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:08,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:08,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:08,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:08,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:08,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:39:08,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:08,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:08,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:39:08,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:39:08,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:08,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:08,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:08,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:08,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:39:08,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:08,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:08,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:39:08,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:08,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:39:08,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:08,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:39:08,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:08,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:39:08,732 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:08,732 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:08,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:08,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:08,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:08,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:08,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:39:08,734 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:39:08,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:39:08,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:39:08,735 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_3089cf98-834b-4658-bf9f-f49358e104b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c55d57654781cf0634666e1c7d4e43dff0d9410f4306aded3e4e446e1f9e88d1 [2021-11-23 00:39:09,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:09,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:09,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:09,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:09,118 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:09,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2021-11-23 00:39:09,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/data/f89fec384/c148c0b781ae4fd693b7d4c35d4c8b01/FLAG5a46c038e [2021-11-23 00:39:09,727 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:09,727 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c [2021-11-23 00:39:09,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/data/f89fec384/c148c0b781ae4fd693b7d4c35d4c8b01/FLAG5a46c038e [2021-11-23 00:39:10,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/data/f89fec384/c148c0b781ae4fd693b7d4c35d4c8b01 [2021-11-23 00:39:10,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:10,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:10,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:10,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:10,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:10,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264001c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10, skipping insertion in model container [2021-11-23 00:39:10,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:10,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:10,382 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_3089cf98-834b-4658-bf9f-f49358e104b0/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c[588,601] [2021-11-23 00:39:10,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:10,451 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:10,472 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_3089cf98-834b-4658-bf9f-f49358e104b0/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound100.c[588,601] [2021-11-23 00:39:10,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:10,517 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:10,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10 WrapperNode [2021-11-23 00:39:10,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:10,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:10,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:10,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:10,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,590 INFO L137 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2021-11-23 00:39:10,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:10,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:10,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:10,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:10,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:10,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:10,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:10,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:10,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:10" (1/1) ... [2021-11-23 00:39:10,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:10,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:10,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3089cf98-834b-4658-bf9f-f49358e104b0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:39:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:39:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:39:10,810 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:10,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:10,962 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:10,997 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:10,998 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:39:11,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:11 BoogieIcfgContainer [2021-11-23 00:39:11,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:39:11,002 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:39:11,003 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:39:11,030 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:39:11,042 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:11" (1/1) ... [2021-11-23 00:39:11,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:39:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-11-23 00:39:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-11-23 00:39:11,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:39:11,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:11,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:11,319 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 00:39:11,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-11-23 00:39:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-11-23 00:39:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:39:11,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:11,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:11,400 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 00:39:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 00:39:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 00:39:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:39:11,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:11,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:11,555 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 00:39:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2021-11-23 00:39:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-11-23 00:39:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:11,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:11,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:11,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:39:11,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:12,071 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 00:39:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2021-11-23 00:39:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-11-23 00:39:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:39:12,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:12,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:12,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:39:12,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:12,689 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 00:39:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2021-11-23 00:39:13,397 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-11-23 00:39:13,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:39:13,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:13,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:13,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:39:13,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:39:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2021-11-23 00:39:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-11-23 00:39:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:39:13,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:13,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:13,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:39:13,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:39:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2021-11-23 00:39:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-11-23 00:39:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:39:14,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:14,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:14,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:39:14,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:39:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:14,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2021-11-23 00:39:14,940 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-11-23 00:39:14,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:39:14,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:14,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:14,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:39:14,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:39:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 129 transitions. [2021-11-23 00:39:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2021-11-23 00:39:16,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:39:16,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:16,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:16,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:39:16,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:39:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 134 transitions. [2021-11-23 00:39:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2021-11-23 00:39:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:39:17,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:17,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:17,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:39:17,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:17,694 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:18,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 144 transitions. [2021-11-23 00:39:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 144 transitions. [2021-11-23 00:39:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:39:18,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:18,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:18,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:39:18,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 156 transitions. [2021-11-23 00:39:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2021-11-23 00:39:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:39:19,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:19,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:19,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:39:19,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:39:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 155 transitions. [2021-11-23 00:39:20,228 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2021-11-23 00:39:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:39:20,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:20,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:20,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:39:20,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:39:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:23,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 75 states and 189 transitions. [2021-11-23 00:39:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 189 transitions. [2021-11-23 00:39:23,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:39:23,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:23,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:23,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:39:23,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:39:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 78 states and 203 transitions. [2021-11-23 00:39:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2021-11-23 00:39:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:39:24,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:24,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:24,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:39:24,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:39:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 202 transitions. [2021-11-23 00:39:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 202 transitions. [2021-11-23 00:39:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:39:25,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:25,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:25,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:39:25,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 00:39:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 80 states and 212 transitions. [2021-11-23 00:39:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 212 transitions. [2021-11-23 00:39:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:39:25,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:25,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:25,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:39:25,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:26,124 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 00:39:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 81 states and 216 transitions. [2021-11-23 00:39:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 216 transitions. [2021-11-23 00:39:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:39:27,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:27,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:27,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:39:27,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 00:39:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 82 states and 218 transitions. [2021-11-23 00:39:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 218 transitions. [2021-11-23 00:39:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:39:28,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:28,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:28,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:39:28,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 00:39:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 83 states and 224 transitions. [2021-11-23 00:39:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 224 transitions. [2021-11-23 00:39:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:39:29,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:29,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:29,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:39:29,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-23 00:39:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:32,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 85 states and 230 transitions. [2021-11-23 00:39:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 230 transitions. [2021-11-23 00:39:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:39:32,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:32,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:32,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:39:32,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-23 00:39:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 85 states and 228 transitions. [2021-11-23 00:39:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 228 transitions. [2021-11-23 00:39:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:39:32,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:32,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:32,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:39:32,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-23 00:39:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 97 states and 319 transitions. [2021-11-23 00:39:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 319 transitions. [2021-11-23 00:39:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:39:36,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:39:36,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 00:39:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:37,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 100 states and 323 transitions. [2021-11-23 00:39:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 323 transitions. [2021-11-23 00:39:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:39:37,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:37,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:37,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:39:37,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:37,967 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 00:39:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 103 states and 328 transitions. [2021-11-23 00:39:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 328 transitions. [2021-11-23 00:39:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:39:39,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:39,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:39,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:39:39,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-23 00:39:39,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 103 states and 327 transitions. [2021-11-23 00:39:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 327 transitions. [2021-11-23 00:39:39,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:39:39,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:39,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:39,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:39:39,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:40,557 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 00:39:43,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 111 states and 368 transitions. [2021-11-23 00:39:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 368 transitions. [2021-11-23 00:39:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:39:43,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:43,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:43,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:39:43,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:43,960 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:43,977 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 00:39:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 112 states and 368 transitions. [2021-11-23 00:39:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 368 transitions. [2021-11-23 00:39:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:39:45,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:45,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:45,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:39:45,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:45,518 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 00:39:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 116 states and 386 transitions. [2021-11-23 00:39:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 386 transitions. [2021-11-23 00:39:47,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:39:47,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:47,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:47,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:39:47,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:47,996 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 00:39:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 118 states and 388 transitions. [2021-11-23 00:39:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 388 transitions. [2021-11-23 00:39:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:39:48,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:48,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:48,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:39:48,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 00:39:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 120 states and 390 transitions. [2021-11-23 00:39:50,219 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 390 transitions. [2021-11-23 00:39:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:39:50,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:50,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:50,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:39:50,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 00:39:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 123 states and 413 transitions. [2021-11-23 00:39:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 413 transitions. [2021-11-23 00:39:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:39:52,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:52,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:52,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:39:52,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 00:39:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 128 states and 436 transitions. [2021-11-23 00:39:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 436 transitions. [2021-11-23 00:39:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:39:55,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:55,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:55,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:39:55,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:56,171 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 00:39:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 130 states and 437 transitions. [2021-11-23 00:39:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 437 transitions. [2021-11-23 00:39:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:39:57,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:57,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:57,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:39:57,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 00:39:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 132 states and 438 transitions. [2021-11-23 00:39:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 438 transitions. [2021-11-23 00:39:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:39:58,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:58,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:58,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:39:58,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 00:40:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 136 states and 470 transitions. [2021-11-23 00:40:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 470 transitions. [2021-11-23 00:40:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:40:01,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:01,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:01,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:40:01,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 26 proven. 20 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 00:40:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 137 states and 476 transitions. [2021-11-23 00:40:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 476 transitions. [2021-11-23 00:40:02,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:40:02,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:02,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:02,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:40:02,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2021-11-23 00:40:04,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:04,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 138 states and 479 transitions. [2021-11-23 00:40:04,333 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 479 transitions. [2021-11-23 00:40:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:40:04,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:04,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:04,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:40:04,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 28 proven. 22 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 00:40:05,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 139 states and 488 transitions. [2021-11-23 00:40:05,376 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 488 transitions. [2021-11-23 00:40:05,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:40:05,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:05,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:05,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:40:05,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-11-23 00:40:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 139 states and 485 transitions. [2021-11-23 00:40:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 485 transitions. [2021-11-23 00:40:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:40:06,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:06,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:06,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:40:06,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 00:40:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 142 states and 490 transitions. [2021-11-23 00:40:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 490 transitions. [2021-11-23 00:40:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:40:08,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:08,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:08,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:40:08,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 00:40:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:12,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 154 states and 625 transitions. [2021-11-23 00:40:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 625 transitions. [2021-11-23 00:40:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:40:12,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:12,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:12,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:40:12,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 00:40:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 157 states and 629 transitions. [2021-11-23 00:40:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 629 transitions. [2021-11-23 00:40:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:40:14,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:14,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:14,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:40:14,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 00:40:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 160 states and 633 transitions. [2021-11-23 00:40:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 633 transitions. [2021-11-23 00:40:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:40:16,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:16,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:16,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:40:16,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 00:40:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 160 states and 632 transitions. [2021-11-23 00:40:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 632 transitions. [2021-11-23 00:40:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:40:17,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:17,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:17,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:40:17,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 00:40:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 160 states and 631 transitions. [2021-11-23 00:40:17,935 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 631 transitions. [2021-11-23 00:40:17,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:40:17,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:17,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:17,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:40:17,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:40:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 178 states and 718 transitions. [2021-11-23 00:40:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 718 transitions. [2021-11-23 00:40:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:40:30,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:30,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:30,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:40:30,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:40:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 184 states and 722 transitions. [2021-11-23 00:40:39,598 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 722 transitions. [2021-11-23 00:40:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:40:39,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:39,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:39,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:40:39,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:40:44,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 186 states and 723 transitions. [2021-11-23 00:40:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 723 transitions. [2021-11-23 00:40:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:40:44,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:44,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:44,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:40:44,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:40:47,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 187 states and 724 transitions. [2021-11-23 00:40:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 724 transitions. [2021-11-23 00:40:47,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:40:47,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:47,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:48,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 00:40:48,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:40:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 191 states and 747 transitions. [2021-11-23 00:40:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 747 transitions. [2021-11-23 00:40:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:40:53,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:53,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:53,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 00:40:53,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:40:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 193 states and 749 transitions. [2021-11-23 00:40:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 749 transitions. [2021-11-23 00:40:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:40:57,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:57,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:57,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 00:40:57,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:40:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 195 states and 751 transitions. [2021-11-23 00:40:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 751 transitions. [2021-11-23 00:40:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:40:59,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:59,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:59,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 00:40:59,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 32 proven. 36 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 00:41:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 197 states and 753 transitions. [2021-11-23 00:41:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 753 transitions. [2021-11-23 00:41:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:41:03,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:03,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:03,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:41:03,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 34 proven. 24 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 00:41:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 200 states and 783 transitions. [2021-11-23 00:41:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 783 transitions. [2021-11-23 00:41:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:41:08,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:08,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:08,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:41:08,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 00:41:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 205 states and 814 transitions. [2021-11-23 00:41:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 814 transitions. [2021-11-23 00:41:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:41:18,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:18,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:19,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:41:19,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:19,674 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 00:41:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 207 states and 816 transitions. [2021-11-23 00:41:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 816 transitions. [2021-11-23 00:41:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:41:23,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:23,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:23,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:41:23,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 00:41:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:25,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 209 states and 818 transitions. [2021-11-23 00:41:25,938 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 818 transitions. [2021-11-23 00:41:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:41:25,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:25,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:26,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:41:26,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 00:41:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 211 states and 820 transitions. [2021-11-23 00:41:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 820 transitions. [2021-11-23 00:41:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 00:41:32,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:32,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:32,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:41:32,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 00:41:39,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:41:39,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 215 states and 854 transitions. [2021-11-23 00:41:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 854 transitions. [2021-11-23 00:41:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:41:39,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:39,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:39,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:41:39,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 00:41:44,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 216 states and 862 transitions. [2021-11-23 00:41:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 862 transitions. [2021-11-23 00:41:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 00:41:44,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:44,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:44,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:41:44,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 38 proven. 45 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 00:41:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:46,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 217 states and 874 transitions. [2021-11-23 00:41:46,369 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 874 transitions. [2021-11-23 00:41:46,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:41:46,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:46,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:41:46,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2021-11-23 00:41:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 217 states and 870 transitions. [2021-11-23 00:41:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 870 transitions. [2021-11-23 00:41:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:41:48,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:48,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:48,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:41:48,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 00:41:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 220 states and 874 transitions. [2021-11-23 00:41:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 874 transitions. [2021-11-23 00:41:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:41:51,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:51,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:51,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:41:51,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 00:41:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:55,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 223 states and 879 transitions. [2021-11-23 00:41:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 879 transitions. [2021-11-23 00:41:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:41:55,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:55,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:55,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:41:55,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-23 00:42:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:07,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 235 states and 1056 transitions. [2021-11-23 00:42:07,580 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1056 transitions. [2021-11-23 00:42:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:42:07,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:07,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:07,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:42:07,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 00:42:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 238 states and 1060 transitions. [2021-11-23 00:42:11,208 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1060 transitions. [2021-11-23 00:42:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:42:11,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:11,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:11,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:42:11,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:11,486 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-23 00:42:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:12,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 238 states and 1059 transitions. [2021-11-23 00:42:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1059 transitions. [2021-11-23 00:42:12,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:42:12,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:12,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:12,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:42:12,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 00:42:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 241 states and 1063 transitions. [2021-11-23 00:42:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1063 transitions. [2021-11-23 00:42:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:42:17,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:17,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:17,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:42:17,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-23 00:42:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 241 states and 1062 transitions. [2021-11-23 00:42:18,878 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1062 transitions. [2021-11-23 00:42:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:42:18,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:18,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:18,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:42:18,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 40 proven. 656 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-23 00:42:20,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 241 states and 1061 transitions. [2021-11-23 00:42:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1061 transitions. [2021-11-23 00:42:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:42:20,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:20,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:20,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:42:20,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:42:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 249 states and 1133 transitions. [2021-11-23 00:42:38,176 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1133 transitions. [2021-11-23 00:42:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:42:38,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:38,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:38,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:42:38,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:40,296 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:42:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 250 states and 1133 transitions. [2021-11-23 00:42:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1133 transitions. [2021-11-23 00:42:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:42:44,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:44,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:44,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:42:44,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:42:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 251 states and 1134 transitions. [2021-11-23 00:42:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 1134 transitions. [2021-11-23 00:42:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:42:47,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:47,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:47,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:42:47,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:42:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:51,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 252 states and 1136 transitions. [2021-11-23 00:42:51,131 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1136 transitions. [2021-11-23 00:42:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:42:51,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:51,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:51,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:42:51,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:42:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 252 states and 1135 transitions. [2021-11-23 00:42:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1135 transitions. [2021-11-23 00:42:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:42:55,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:55,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:55,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:42:55,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 42 proven. 48 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:42:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 252 states and 1134 transitions. [2021-11-23 00:42:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1134 transitions. [2021-11-23 00:42:59,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:42:59,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:59,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:59,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:42:59,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:43:09,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:09,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 256 states and 1162 transitions. [2021-11-23 00:43:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1162 transitions. [2021-11-23 00:43:09,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:43:09,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:09,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:09,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:43:09,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:43:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 258 states and 1164 transitions. [2021-11-23 00:43:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1164 transitions. [2021-11-23 00:43:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:43:16,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:16,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:16,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:43:16,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:43:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 260 states and 1166 transitions. [2021-11-23 00:43:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 1166 transitions. [2021-11-23 00:43:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:43:20,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:20,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:43:20,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:43:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 262 states and 1168 transitions. [2021-11-23 00:43:26,172 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1168 transitions. [2021-11-23 00:43:26,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:43:26,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:26,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:26,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:43:26,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 42 proven. 64 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 00:43:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:32,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 264 states and 1170 transitions. [2021-11-23 00:43:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 1170 transitions. [2021-11-23 00:43:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 00:43:32,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:32,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:32,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:43:32,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:35,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 44 proven. 48 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 00:43:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 267 states and 1207 transitions. [2021-11-23 00:43:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1207 transitions. [2021-11-23 00:43:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:43:43,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:43,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:43,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:43:43,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 00:43:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 272 states and 1244 transitions. [2021-11-23 00:43:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1244 transitions. [2021-11-23 00:43:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:43:56,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:56,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:56,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:43:56,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 00:44:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 274 states and 1245 transitions. [2021-11-23 00:44:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 1245 transitions. [2021-11-23 00:44:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:44:02,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:02,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:02,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:44:02,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 00:44:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 276 states and 1246 transitions. [2021-11-23 00:44:09,792 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1246 transitions. [2021-11-23 00:44:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:44:09,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:09,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:09,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:44:09,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 00:44:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 278 states and 1247 transitions. [2021-11-23 00:44:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1247 transitions. [2021-11-23 00:44:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 00:44:14,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:14,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:14,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:44:14,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 00:44:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 280 states and 1248 transitions. [2021-11-23 00:44:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1248 transitions. [2021-11-23 00:44:18,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 00:44:18,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:18,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:18,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:44:18,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 46 proven. 48 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 00:44:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:28,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 284 states and 1290 transitions. [2021-11-23 00:44:28,606 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 1290 transitions. [2021-11-23 00:44:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 00:44:28,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:28,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:28,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:44:28,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 46 proven. 72 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 00:44:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 285 states and 1305 transitions. [2021-11-23 00:44:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1305 transitions. [2021-11-23 00:44:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 00:44:36,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:36,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:36,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:44:36,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 48 proven. 76 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 00:44:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:41,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 287 states and 1330 transitions. [2021-11-23 00:44:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1330 transitions. [2021-11-23 00:44:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 00:44:41,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:41,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:41,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:44:41,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2021-11-23 00:44:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:43,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 287 states and 1325 transitions. [2021-11-23 00:44:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1325 transitions. [2021-11-23 00:44:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:44:43,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:43,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:43,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:44:43,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 00:44:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 290 states and 1330 transitions. [2021-11-23 00:44:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1330 transitions. [2021-11-23 00:44:50,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:44:50,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:50,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:50,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:44:50,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 00:44:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 293 states and 1334 transitions. [2021-11-23 00:44:55,218 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1334 transitions. [2021-11-23 00:44:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:44:55,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:55,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:55,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:44:55,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 00:45:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 296 states and 1338 transitions. [2021-11-23 00:45:00,084 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1338 transitions. [2021-11-23 00:45:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:45:00,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:00,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:00,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:45:00,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:00,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 00:45:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 299 states and 1342 transitions. [2021-11-23 00:45:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1342 transitions. [2021-11-23 00:45:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:45:05,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:05,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:05,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:45:05,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-23 00:45:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 311 states and 1563 transitions. [2021-11-23 00:45:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1563 transitions. [2021-11-23 00:45:22,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:45:22,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:22,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:22,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:45:22,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 50 proven. 95 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 00:45:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 314 states and 1567 transitions. [2021-11-23 00:45:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1567 transitions. [2021-11-23 00:45:28,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:45:28,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:28,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:28,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:45:28,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-23 00:45:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 314 states and 1566 transitions. [2021-11-23 00:45:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1566 transitions. [2021-11-23 00:45:30,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:45:30,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:30,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:30,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:45:30,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-23 00:45:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 314 states and 1565 transitions. [2021-11-23 00:45:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1565 transitions. [2021-11-23 00:45:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:45:32,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:32,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:32,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:45:32,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-23 00:45:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 314 states and 1564 transitions. [2021-11-23 00:45:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1564 transitions. [2021-11-23 00:45:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 00:45:35,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:35,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:35,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:45:35,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 1090 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-23 00:45:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 314 states and 1563 transitions. [2021-11-23 00:45:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1563 transitions. [2021-11-23 00:45:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:45:37,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:37,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:37,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:45:37,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:46:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 322 states and 1651 transitions. [2021-11-23 00:46:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1651 transitions. [2021-11-23 00:46:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:46:03,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:03,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:03,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:46:03,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:46:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 323 states and 1652 transitions. [2021-11-23 00:46:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1652 transitions. [2021-11-23 00:46:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:46:13,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:13,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:13,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:46:13,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:46:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 324 states and 1653 transitions. [2021-11-23 00:46:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1653 transitions. [2021-11-23 00:46:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:46:17,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:17,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:17,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:46:17,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:46:22,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 324 states and 1652 transitions. [2021-11-23 00:46:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1652 transitions. [2021-11-23 00:46:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:46:22,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:22,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:22,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:46:22,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:46:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 325 states and 1653 transitions. [2021-11-23 00:46:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1653 transitions. [2021-11-23 00:46:26,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:46:26,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:26,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:26,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:46:26,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:46:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 326 states and 1654 transitions. [2021-11-23 00:46:30,463 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1654 transitions. [2021-11-23 00:46:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:46:30,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:30,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:30,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:46:30,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:46:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 326 states and 1653 transitions. [2021-11-23 00:46:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1653 transitions. [2021-11-23 00:46:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 00:46:36,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:36,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:46:36,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 52 proven. 80 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:46:43,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 326 states and 1652 transitions. [2021-11-23 00:46:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1652 transitions. [2021-11-23 00:46:43,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:46:43,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:43,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:43,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:46:43,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:47:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 330 states and 1685 transitions. [2021-11-23 00:47:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1685 transitions. [2021-11-23 00:47:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:47:01,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:01,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:01,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:47:01,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:47:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 332 states and 1687 transitions. [2021-11-23 00:47:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1687 transitions. [2021-11-23 00:47:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:47:10,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:10,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:10,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:47:10,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:47:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 334 states and 1689 transitions. [2021-11-23 00:47:19,960 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1689 transitions. [2021-11-23 00:47:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:47:19,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:19,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:20,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:47:20,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:47:33,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 336 states and 1691 transitions. [2021-11-23 00:47:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1691 transitions. [2021-11-23 00:47:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:47:33,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:33,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:33,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:47:33,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:47:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 338 states and 1693 transitions. [2021-11-23 00:47:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1693 transitions. [2021-11-23 00:47:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 00:47:40,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:40,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:40,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:47:40,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 00:47:50,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 340 states and 1695 transitions. [2021-11-23 00:47:50,989 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1695 transitions. [2021-11-23 00:47:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 00:47:50,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:50,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:51,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:47:51,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 54 proven. 80 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:48:06,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 343 states and 1739 transitions. [2021-11-23 00:48:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1739 transitions. [2021-11-23 00:48:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:48:06,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:06,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:06,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:48:06,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:48:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 348 states and 1789 transitions. [2021-11-23 00:48:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1789 transitions. [2021-11-23 00:48:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:48:28,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:28,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:28,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:48:28,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:48:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 350 states and 1790 transitions. [2021-11-23 00:48:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1790 transitions. [2021-11-23 00:48:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:48:40,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:40,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:40,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:48:40,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:48:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 352 states and 1791 transitions. [2021-11-23 00:48:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1791 transitions. [2021-11-23 00:48:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:48:47,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:48:47,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:48:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:57,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 354 states and 1792 transitions. [2021-11-23 00:48:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 1792 transitions. [2021-11-23 00:48:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:48:57,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:57,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:57,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:48:57,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:49:07,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 356 states and 1793 transitions. [2021-11-23 00:49:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1793 transitions. [2021-11-23 00:49:07,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 00:49:07,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:07,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:07,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:49:07,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 54 proven. 105 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 00:49:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 358 states and 1794 transitions. [2021-11-23 00:49:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1794 transitions. [2021-11-23 00:49:17,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 00:49:17,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:49:17,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 56 proven. 80 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 00:49:35,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:49:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 362 states and 1844 transitions. [2021-11-23 00:49:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1844 transitions. [2021-11-23 00:49:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 00:49:35,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:35,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:35,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:49:35,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 56 proven. 110 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2021-11-23 00:49:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 363 states and 1850 transitions. [2021-11-23 00:49:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1850 transitions. [2021-11-23 00:49:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 00:49:47,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:47,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:47,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:49:47,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1797 backedges. 58 proven. 115 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 00:49:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 364 states and 1868 transitions. [2021-11-23 00:49:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1868 transitions. [2021-11-23 00:49:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 00:49:53,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:53,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:49:53,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 159 proven. 13 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2021-11-23 00:49:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 364 states and 1862 transitions. [2021-11-23 00:49:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1862 transitions. [2021-11-23 00:49:57,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:49:57,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:57,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:57,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:49:57,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 00:50:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 367 states and 1867 transitions. [2021-11-23 00:50:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1867 transitions. [2021-11-23 00:50:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:50:09,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:50:09,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 00:50:17,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 370 states and 1871 transitions. [2021-11-23 00:50:17,385 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1871 transitions. [2021-11-23 00:50:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:50:17,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:17,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:17,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:50:17,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 00:50:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 373 states and 1875 transitions. [2021-11-23 00:50:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1875 transitions. [2021-11-23 00:50:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:50:25,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:25,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:25,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:50:25,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 00:50:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 376 states and 1879 transitions. [2021-11-23 00:50:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1879 transitions. [2021-11-23 00:50:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:50:33,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:33,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:33,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:50:33,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-11-23 00:51:05,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 388 states and 2141 transitions. [2021-11-23 00:51:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 2141 transitions. [2021-11-23 00:51:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:51:05,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:05,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:05,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:51:05,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 00:51:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 391 states and 2145 transitions. [2021-11-23 00:51:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 2145 transitions. [2021-11-23 00:51:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:51:15,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:51:15,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-11-23 00:51:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 391 states and 2144 transitions. [2021-11-23 00:51:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 2144 transitions. [2021-11-23 00:51:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:51:19,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:51:19,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 60 proven. 138 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 00:51:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 394 states and 2148 transitions. [2021-11-23 00:51:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 2148 transitions. [2021-11-23 00:51:27,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 00:51:27,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:27,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:27,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:51:27,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1932 backedges. 60 proven. 1632 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked.