./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/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_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/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_39067955-7f2f-4367-8878-5a994b6ec7b7/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 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:29:19,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:29:19,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:29:19,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:29:19,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:29:19,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:29:19,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:29:19,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:29:19,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:29:19,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:29:19,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:29:19,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:29:19,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:29:19,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:29:19,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:29:19,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:29:19,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:29:19,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:29:19,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:29:19,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:29:19,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:29:19,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:29:19,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:29:19,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:29:19,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:29:19,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:29:19,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:29:19,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:29:19,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:29:19,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:29:19,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:29:19,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:29:19,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:29:19,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:29:19,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:29:19,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:29:19,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:29:19,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:29:19,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:29:19,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:29:19,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:29:19,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:29:19,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:29:19,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:29:19,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:29:19,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:29:19,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:29:19,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:29:19,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:29:19,732 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:29:19,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:29:19,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:29:19,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:29:19,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:29:19,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:29:19,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:29:19,735 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:29:19,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:29:19,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:29:19,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:29:19,736 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:29:19,736 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:29:19,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:29:19,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:19,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:29:19,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:29:19,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:29:19,738 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:29:19,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:29:19,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:29:19,738 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_39067955-7f2f-4367-8878-5a994b6ec7b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 [2021-11-23 00:29:20,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:29:20,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:29:20,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:29:20,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:29:20,085 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:29:20,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2021-11-23 00:29:20,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/data/407f1d81c/204acd3e2a2546ff9cf1ec545ecb5242/FLAG84f7bbfcc [2021-11-23 00:29:20,685 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:29:20,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2021-11-23 00:29:20,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/data/407f1d81c/204acd3e2a2546ff9cf1ec545ecb5242/FLAG84f7bbfcc [2021-11-23 00:29:21,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/data/407f1d81c/204acd3e2a2546ff9cf1ec545ecb5242 [2021-11-23 00:29:21,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:29:21,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:29:21,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:21,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:29:21,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:29:21,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c10b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21, skipping insertion in model container [2021-11-23 00:29:21,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:29:21,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:29:21,260 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_39067955-7f2f-4367-8878-5a994b6ec7b7/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c[489,502] [2021-11-23 00:29:21,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:21,285 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:29:21,298 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_39067955-7f2f-4367-8878-5a994b6ec7b7/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c[489,502] [2021-11-23 00:29:21,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:21,320 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:29:21,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21 WrapperNode [2021-11-23 00:29:21,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:21,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:21,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:29:21,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:29:21,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,360 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-23 00:29:21,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:21,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:29:21,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:29:21,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:29:21,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:29:21,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:29:21,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:29:21,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:29:21,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:21,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:29:21,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:29:21,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39067955-7f2f-4367-8878-5a994b6ec7b7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:29:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:29:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:29:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:29:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:29:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:29:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:29:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:29:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:29:21,528 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:29:21,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:29:21,667 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:29:21,711 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:29:21,711 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:29:21,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:21 BoogieIcfgContainer [2021-11-23 00:29:21,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:29:21,716 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:29:21,716 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:29:21,730 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:29:21,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:21" (1/1) ... [2021-11-23 00:29:21,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:29:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 00:29:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 00:29:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:21,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:21,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:29:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-23 00:29:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-23 00:29:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:22,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:22,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:29:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2021-11-23 00:29:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-23 00:29:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:22,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:22,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:22,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:29:22,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:29:22,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2021-11-23 00:29:22,794 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-23 00:29:22,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:22,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:22,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:22,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:29:22,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:29:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:24,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 61 transitions. [2021-11-23 00:29:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2021-11-23 00:29:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:29:24,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:24,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:24,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:29:24,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:29:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 59 transitions. [2021-11-23 00:29:24,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-23 00:29:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:29:24,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:24,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:24,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:29:24,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:29:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 70 transitions. [2021-11-23 00:29:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2021-11-23 00:29:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:29:26,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:26,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:26,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:29:26,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:29:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 72 transitions. [2021-11-23 00:29:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-23 00:29:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:29:26,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:26,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:26,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:29:26,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:29:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 114 transitions. [2021-11-23 00:29:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2021-11-23 00:29:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:29:28,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:28,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:28,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:29:28,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:29:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:30,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 56 states and 132 transitions. [2021-11-23 00:29:30,508 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 132 transitions. [2021-11-23 00:29:30,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:29:30,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:30,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:30,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:29:30,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:29:31,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 58 states and 136 transitions. [2021-11-23 00:29:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2021-11-23 00:29:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:29:31,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:31,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:31,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:29:31,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:29:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 62 states and 155 transitions. [2021-11-23 00:29:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 155 transitions. [2021-11-23 00:29:33,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:29:33,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:33,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:33,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:29:33,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:29:37,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 68 states and 180 transitions. [2021-11-23 00:29:37,920 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 180 transitions. [2021-11-23 00:29:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:29:37,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:37,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:37,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:29:37,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:29:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 73 states and 207 transitions. [2021-11-23 00:29:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 207 transitions. [2021-11-23 00:29:43,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:29:43,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:43,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:43,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:29:43,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:29:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 75 states and 219 transitions. [2021-11-23 00:29:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 219 transitions. [2021-11-23 00:29:46,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:29:46,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:46,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:46,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:29:46,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 00:29:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:50,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 80 states and 247 transitions. [2021-11-23 00:29:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 247 transitions. [2021-11-23 00:29:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:29:50,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:50,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:50,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:29:50,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:29:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:58,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 85 states and 278 transitions. [2021-11-23 00:29:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 278 transitions. [2021-11-23 00:29:58,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:29:58,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:58,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:58,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:29:58,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:30:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 87 states and 288 transitions. [2021-11-23 00:30:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 288 transitions. [2021-11-23 00:30:01,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:30:01,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:01,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:01,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:30:01,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:30:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 90 states and 314 transitions. [2021-11-23 00:30:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 314 transitions. [2021-11-23 00:30:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:30:08,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:08,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:08,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:30:08,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:30:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 91 states and 318 transitions. [2021-11-23 00:30:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 318 transitions. [2021-11-23 00:30:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:30:10,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:10,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:10,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:30:10,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:30:14,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 93 states and 320 transitions. [2021-11-23 00:30:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2021-11-23 00:30:14,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:30:14,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:14,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:14,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:30:14,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 00:30:20,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:20,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 96 states and 331 transitions. [2021-11-23 00:30:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 331 transitions. [2021-11-23 00:30:20,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:30:20,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:20,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:20,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:30:20,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 00:30:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 100 states and 354 transitions. [2021-11-23 00:30:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 354 transitions. [2021-11-23 00:30:29,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:30:29,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:29,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:29,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:30:29,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:30:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 110 states and 479 transitions. [2021-11-23 00:30:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 479 transitions. [2021-11-23 00:30:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:30:43,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:43,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:43,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:30:43,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:30:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 110 states and 478 transitions. [2021-11-23 00:30:55,434 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 478 transitions. [2021-11-23 00:30:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:30:55,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:55,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:55,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:30:55,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 28 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 00:31:17,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 115 states and 520 transitions. [2021-11-23 00:31:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 520 transitions. [2021-11-23 00:31:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:17,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:31:17,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 00:31:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 118 states and 532 transitions. [2021-11-23 00:31:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 532 transitions. [2021-11-23 00:31:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:24,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:24,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:24,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:31:24,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:31:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:27,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 121 states and 535 transitions. [2021-11-23 00:31:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 535 transitions. [2021-11-23 00:31:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:27,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:27,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:27,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:31:27,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 00:31:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 122 states and 538 transitions. [2021-11-23 00:31:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 538 transitions. [2021-11-23 00:31:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:29,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:29,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:29,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:31:29,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:31:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 122 states and 537 transitions. [2021-11-23 00:31:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 537 transitions. [2021-11-23 00:31:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:30,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:30,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:31:30,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 00:31:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 129 states and 561 transitions. [2021-11-23 00:31:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 561 transitions. [2021-11-23 00:31:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:43,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:43,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:43,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:31:43,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-23 00:31:44,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 130 states and 563 transitions. [2021-11-23 00:31:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 563 transitions. [2021-11-23 00:31:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:44,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:44,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:44,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:31:44,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:31:52,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 132 states and 566 transitions. [2021-11-23 00:31:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 566 transitions. [2021-11-23 00:31:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:52,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:31:52,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:31:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 133 states and 569 transitions. [2021-11-23 00:31:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 569 transitions. [2021-11-23 00:31:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:31:54,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:54,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:54,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:31:54,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 00:32:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:00,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 135 states and 578 transitions. [2021-11-23 00:32:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 578 transitions. [2021-11-23 00:32:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:32:00,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:00,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:00,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:32:00,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:32:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 136 states and 586 transitions. [2021-11-23 00:32:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 586 transitions. [2021-11-23 00:32:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:32:02,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:02,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:32:02,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:32:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 137 states and 588 transitions. [2021-11-23 00:32:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 588 transitions. [2021-11-23 00:32:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:32:04,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:04,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:04,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:32:04,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 00:32:05,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 138 states and 589 transitions. [2021-11-23 00:32:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 589 transitions. [2021-11-23 00:32:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:32:05,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:05,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:05,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:32:05,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 00:32:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 142 states and 618 transitions. [2021-11-23 00:32:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 618 transitions. [2021-11-23 00:32:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:32:59,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:59,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:59,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:32:59,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 00:33:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 145 states and 631 transitions. [2021-11-23 00:33:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 631 transitions. [2021-11-23 00:33:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:33:15,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:15,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:15,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:33:15,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 00:33:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 146 states and 645 transitions. [2021-11-23 00:33:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 645 transitions. [2021-11-23 00:33:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:33:22,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:22,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:22,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:33:22,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 00:33:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 148 states and 652 transitions. [2021-11-23 00:33:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 652 transitions. [2021-11-23 00:33:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:33:31,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:31,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:31,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:33:31,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 00:33:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 150 states and 656 transitions. [2021-11-23 00:33:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 656 transitions. [2021-11-23 00:33:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:33:45,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:45,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:45,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:33:45,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 00:33:50,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:50,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 151 states and 657 transitions. [2021-11-23 00:33:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 657 transitions. [2021-11-23 00:33:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:33:50,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:50,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:50,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:33:50,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-23 00:33:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 152 states and 658 transitions. [2021-11-23 00:33:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 658 transitions. [2021-11-23 00:33:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:33:55,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:55,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:55,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:33:55,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 00:35:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 157 states and 697 transitions. [2021-11-23 00:35:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 697 transitions. [2021-11-23 00:35:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:35:32,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:32,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:32,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:35:32,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 00:36:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 161 states and 717 transitions. [2021-11-23 00:36:19,217 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 717 transitions. [2021-11-23 00:36:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:36:19,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:36:19,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 00:37:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 165 states and 734 transitions. [2021-11-23 00:37:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 734 transitions. [2021-11-23 00:37:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:37:17,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:17,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:17,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:37:17,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 00:37:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 166 states and 741 transitions. [2021-11-23 00:37:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 741 transitions. [2021-11-23 00:37:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:37:33,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:33,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:33,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:37:33,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 30 proven. 23 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-23 00:37:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 168 states and 743 transitions. [2021-11-23 00:37:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 743 transitions. [2021-11-23 00:37:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:37:55,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:55,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:55,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:37:55,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-23 00:38:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 170 states and 745 transitions. [2021-11-23 00:38:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 745 transitions. [2021-11-23 00:38:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:38:23,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:23,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:23,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:38:23,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:38:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 175 states and 795 transitions. [2021-11-23 00:38:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 795 transitions. [2021-11-23 00:38:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:38:57,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:57,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:57,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:38:57,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:39:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 179 states and 817 transitions. [2021-11-23 00:39:16,408 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 817 transitions. [2021-11-23 00:39:16,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:39:16,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:16,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:16,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:39:16,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:39:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:29,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 181 states and 819 transitions. [2021-11-23 00:39:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 819 transitions. [2021-11-23 00:39:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:39:29,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:29,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:29,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:39:29,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:39:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 182 states and 821 transitions. [2021-11-23 00:39:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 821 transitions. [2021-11-23 00:39:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:39:36,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:39:36,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 00:40:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 192 states and 1008 transitions. [2021-11-23 00:40:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1008 transitions. [2021-11-23 00:40:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:40:23,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:23,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:23,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:40:23,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:40:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 195 states and 1022 transitions. [2021-11-23 00:40:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1022 transitions. [2021-11-23 00:40:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:40:39,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:39,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:40,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:40:40,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 00:40:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 197 states and 1025 transitions. [2021-11-23 00:40:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 1025 transitions. [2021-11-23 00:40:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:40:59,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:59,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:59,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:40:59,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 00:41:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 200 states and 1029 transitions. [2021-11-23 00:41:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1029 transitions. [2021-11-23 00:41:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:41:36,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:36,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:36,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:41:36,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:42:01,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 201 states and 1035 transitions. [2021-11-23 00:42:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1035 transitions. [2021-11-23 00:42:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:42:01,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:01,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:01,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:42:01,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 00:42:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 201 states and 1034 transitions. [2021-11-23 00:42:07,797 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1034 transitions. [2021-11-23 00:42:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:42:07,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:07,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:07,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:42:07,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 00:42:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 201 states and 1031 transitions. [2021-11-23 00:42:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1031 transitions. [2021-11-23 00:42:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:42:35,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:35,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:42:35,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:42:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 202 states and 1034 transitions. [2021-11-23 00:42:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 1034 transitions. [2021-11-23 00:42:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:42:43,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:43,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:43,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:42:43,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.