./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.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_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/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_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/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_718a30f1-5a1f-4795-821f-830451da99e5/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 0a6d36c45579adaf3871b264b96aba9fa14294bc645c23d191a4e77c149500df --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:22:42,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:22:42,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:22:42,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:22:42,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:22:42,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:22:42,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:22:42,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:22:42,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:22:42,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:22:42,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:22:42,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:22:42,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:22:42,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:22:42,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:22:42,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:22:42,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:22:42,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:22:42,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:22:42,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:22:42,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:22:42,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:22:42,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:22:42,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:22:42,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:22:42,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:22:42,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:22:42,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:22:42,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:22:42,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:22:42,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:22:42,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:22:42,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:22:42,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:22:42,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:22:42,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:22:42,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:22:42,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:22:42,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:22:42,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:22:42,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:22:42,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:22:42,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:22:42,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:22:42,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:22:42,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:22:42,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:22:42,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:22:42,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:22:42,665 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:22:42,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:22:42,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:22:42,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:22:42,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:22:42,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:22:42,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:22:42,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:22:42,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:22:42,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:22:42,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:22:42,667 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:22:42,667 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:22:42,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:22:42,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:42,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:22:42,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:22:42,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:22:42,669 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:22:42,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:22:42,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:22:42,669 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_718a30f1-5a1f-4795-821f-830451da99e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a6d36c45579adaf3871b264b96aba9fa14294bc645c23d191a4e77c149500df [2021-11-23 00:22:42,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:22:42,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:22:42,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:22:42,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:22:42,925 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:22:42,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c [2021-11-23 00:22:43,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/data/68538c9ff/122c477b67544d3dbc64c314079ba860/FLAG878d2dc5e [2021-11-23 00:22:43,456 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:22:43,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c [2021-11-23 00:22:43,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/data/68538c9ff/122c477b67544d3dbc64c314079ba860/FLAG878d2dc5e [2021-11-23 00:22:43,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/data/68538c9ff/122c477b67544d3dbc64c314079ba860 [2021-11-23 00:22:43,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:22:43,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:22:43,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:43,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:22:43,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:22:43,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:43" (1/1) ... [2021-11-23 00:22:43,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58df2baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:43, skipping insertion in model container [2021-11-23 00:22:43,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:43" (1/1) ... [2021-11-23 00:22:43,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:22:43,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:22:44,056 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_718a30f1-5a1f-4795-821f-830451da99e5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c[489,502] [2021-11-23 00:22:44,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:44,118 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:22:44,130 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_718a30f1-5a1f-4795-821f-830451da99e5/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c[489,502] [2021-11-23 00:22:44,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:44,151 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:22:44,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44 WrapperNode [2021-11-23 00:22:44,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:44,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:44,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:22:44,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:22:44,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,195 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-23 00:22:44,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:44,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:22:44,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:22:44,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:22:44,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:22:44,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:22:44,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:22:44,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:22:44,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:44,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:22:44,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:22:44,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718a30f1-5a1f-4795-821f-830451da99e5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:22:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:22:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:22:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:22:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:22:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:22:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:22:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:22:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:22:44,372 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:22:44,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:22:44,492 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:22:44,519 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:22:44,519 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:22:44,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:44 BoogieIcfgContainer [2021-11-23 00:22:44,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:22:44,523 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:22:44,523 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:22:44,532 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:22:44,533 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:44" (1/1) ... [2021-11-23 00:22:44,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:22:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 00:22:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 00:22:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:22:44,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:44,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:44,861 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 00:22:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:44,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-23 00:22:44,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-23 00:22:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:22:44,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:44,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:45,006 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 00:22:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2021-11-23 00:22:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-23 00:22:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:22:45,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:45,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:45,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:22:45,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:45,218 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 00:22:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2021-11-23 00:22:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-23 00:22:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:22:45,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:45,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:45,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:22:45,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:45,790 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 00:22:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 61 transitions. [2021-11-23 00:22:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2021-11-23 00:22:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:22:46,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:46,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:46,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:22:46,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:46,951 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 00:22:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 59 transitions. [2021-11-23 00:22:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-23 00:22:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:22:47,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:47,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:47,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:22:47,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:22:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 70 transitions. [2021-11-23 00:22:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2021-11-23 00:22:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:22:49,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:49,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:49,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:22:49,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:49,167 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 00:22:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 72 transitions. [2021-11-23 00:22:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-23 00:22:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:22:49,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:49,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:49,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:22:49,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:49,439 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 00:22:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 114 transitions. [2021-11-23 00:22:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2021-11-23 00:22:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:22:50,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:50,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:51,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:22:51,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:22:53,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:53,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 58 states and 145 transitions. [2021-11-23 00:22:53,812 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 145 transitions. [2021-11-23 00:22:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:22:53,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:53,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:53,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:22:53,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:22:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 60 states and 147 transitions. [2021-11-23 00:22:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 147 transitions. [2021-11-23 00:22:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:22:54,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:54,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:54,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:22:54,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:55,012 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 00:22:56,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 64 states and 165 transitions. [2021-11-23 00:22:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 165 transitions. [2021-11-23 00:22:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:22:56,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:56,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:56,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:22:56,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:22:57,317 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 00:23:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 69 states and 193 transitions. [2021-11-23 00:23:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 193 transitions. [2021-11-23 00:23:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:23:00,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:00,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:00,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:23:00,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:00,460 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 00:23:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 72 states and 201 transitions. [2021-11-23 00:23:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 201 transitions. [2021-11-23 00:23:01,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:23:01,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:01,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:01,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:23:01,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:02,232 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 00:23:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:05,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 76 states and 220 transitions. [2021-11-23 00:23:05,160 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2021-11-23 00:23:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:23:05,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:05,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:05,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:23:05,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:05,633 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 00:23:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 79 states and 236 transitions. [2021-11-23 00:23:09,756 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 236 transitions. [2021-11-23 00:23:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:23:09,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:09,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:09,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:23:09,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:10,791 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 00:23:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 84 states and 265 transitions. [2021-11-23 00:23:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 265 transitions. [2021-11-23 00:23:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:23:17,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:17,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:18,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:23:18,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:18,539 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 00:23:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 87 states and 271 transitions. [2021-11-23 00:23:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 271 transitions. [2021-11-23 00:23:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:23:20,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:20,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:20,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:23:20,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:21,271 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 00:23:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 89 states and 273 transitions. [2021-11-23 00:23:22,753 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 273 transitions. [2021-11-23 00:23:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:23:22,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:22,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:22,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:23:22,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:23,316 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 00:23:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 93 states and 284 transitions. [2021-11-23 00:23:28,032 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 284 transitions. [2021-11-23 00:23:28,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:23:28,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:28,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:28,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:23:28,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:28,659 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 00:23:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 97 states and 307 transitions. [2021-11-23 00:23:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 307 transitions. [2021-11-23 00:23:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:23:52,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:52,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:52,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:23:52,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:23:53,660 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 00:24:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 102 states and 337 transitions. [2021-11-23 00:24:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 337 transitions. [2021-11-23 00:24:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:06,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:06,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:06,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:24:06,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:07,107 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 00:24:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 106 states and 347 transitions. [2021-11-23 00:24:10,418 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 347 transitions. [2021-11-23 00:24:10,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:10,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:10,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:10,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:24:10,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:10,905 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 00:24:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 116 states and 463 transitions. [2021-11-23 00:24:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 463 transitions. [2021-11-23 00:24:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:17,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:17,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:17,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:24:17,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:18,525 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 00:24:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 118 states and 469 transitions. [2021-11-23 00:24:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 469 transitions. [2021-11-23 00:24:21,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:21,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:21,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:21,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:24:21,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:22,482 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 00:24:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 121 states and 481 transitions. [2021-11-23 00:24:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 481 transitions. [2021-11-23 00:24:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:26,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:26,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:26,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:24:26,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:27,154 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 00:24:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:28,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 122 states and 483 transitions. [2021-11-23 00:24:28,212 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 483 transitions. [2021-11-23 00:24:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:28,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:28,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:28,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:24:28,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:28,357 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 00:24:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 122 states and 482 transitions. [2021-11-23 00:24:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 482 transitions. [2021-11-23 00:24:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:39,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:39,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:39,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:24:39,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:39,764 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 00:24:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 124 states and 485 transitions. [2021-11-23 00:24:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 485 transitions. [2021-11-23 00:24:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:43,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:43,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:43,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:24:43,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:44,458 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 00:24:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 125 states and 490 transitions. [2021-11-23 00:24:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 490 transitions. [2021-11-23 00:24:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:45,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:45,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:45,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:24:45,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:45,541 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 00:24:49,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 127 states and 492 transitions. [2021-11-23 00:24:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 492 transitions. [2021-11-23 00:24:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:24:49,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:49,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:49,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:24:49,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:49,392 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 00:24:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 127 states and 491 transitions. [2021-11-23 00:24:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 491 transitions. [2021-11-23 00:24:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:24:51,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:51,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:51,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:24:51,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:51,642 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 00:24:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 131 states and 507 transitions. [2021-11-23 00:24:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 507 transitions. [2021-11-23 00:24:56,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:24:56,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:56,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:56,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:24:56,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:56,824 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 00:25:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 133 states and 513 transitions. [2021-11-23 00:25:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 513 transitions. [2021-11-23 00:25:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:25:02,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:02,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:02,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:02,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:02,715 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 00:25:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 134 states and 514 transitions. [2021-11-23 00:25:03,667 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 514 transitions. [2021-11-23 00:25:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:25:03,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:03,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:03,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:25:03,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:08,910 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 00:25:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:39,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 136 states and 539 transitions. [2021-11-23 00:25:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 539 transitions. [2021-11-23 00:25:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:25:39,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:39,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:39,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:25:39,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:41,478 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 00:25:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 140 states and 557 transitions. [2021-11-23 00:25:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 557 transitions. [2021-11-23 00:25:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:25:55,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:55,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:55,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:25:55,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:57,997 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 00:26:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:08,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 142 states and 561 transitions. [2021-11-23 00:26:08,065 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 561 transitions. [2021-11-23 00:26:08,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:26:08,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:08,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:08,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:26:08,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:10,368 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 00:26:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:26:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 144 states and 567 transitions. [2021-11-23 00:26:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 567 transitions. [2021-11-23 00:26:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:26:36,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:26:36,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:26:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:26:36,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:26:36,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:43,405 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 00:27:43,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 149 states and 611 transitions. [2021-11-23 00:27:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 611 transitions. [2021-11-23 00:27:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:27:43,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:43,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:43,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:27:43,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:55,165 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 00:28:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 151 states and 615 transitions. [2021-11-23 00:28:20,418 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 615 transitions. [2021-11-23 00:28:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:28:20,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:20,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:20,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:28:20,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:28:23,440 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 00:29:08,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 155 states and 631 transitions. [2021-11-23 00:29:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 631 transitions. [2021-11-23 00:29:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:29:08,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:08,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:08,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:29:08,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:12,535 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 00:29:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 157 states and 648 transitions. [2021-11-23 00:29:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 648 transitions. [2021-11-23 00:29:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:29:32,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:32,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:32,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:29:32,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:36,400 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 00:29:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:57,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 159 states and 650 transitions. [2021-11-23 00:29:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 650 transitions. [2021-11-23 00:29:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:29:57,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:57,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:57,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:29:57,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:01,648 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 00:30:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 161 states and 652 transitions. [2021-11-23 00:30:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 652 transitions. [2021-11-23 00:30:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:30:15,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:15,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:15,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:30:16,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:18,551 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 00:31:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:12,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 171 states and 793 transitions. [2021-11-23 00:31:12,541 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 793 transitions. [2021-11-23 00:31:12,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:31:12,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:12,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:12,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:31:12,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:12,722 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 00:31:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 173 states and 797 transitions. [2021-11-23 00:31:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 797 transitions. [2021-11-23 00:31:32,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:31:32,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:32,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:32,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:31:32,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:39,135 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 00:32:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:06,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 178 states and 843 transitions. [2021-11-23 00:32:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 843 transitions. [2021-11-23 00:32:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:06,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:06,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:07,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:32:07,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:13,127 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 00:32:40,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 183 states and 877 transitions. [2021-11-23 00:32:40,244 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 877 transitions. [2021-11-23 00:32:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:40,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:40,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:40,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:32:40,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:41,770 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 00:32:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 184 states and 883 transitions. [2021-11-23 00:32:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 883 transitions. [2021-11-23 00:32:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:32:47,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:47,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:47,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:32:47,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:47,373 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 00:33:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 184 states and 881 transitions. [2021-11-23 00:33:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 881 transitions. [2021-11-23 00:33:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:33:05,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:05,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:05,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:33:05,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:06,642 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 00:33:15,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 186 states and 883 transitions. [2021-11-23 00:33:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 883 transitions. [2021-11-23 00:33:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:33:15,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:15,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:15,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:33:15,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:15,498 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 00:33:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 189 states and 887 transitions. [2021-11-23 00:33:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 887 transitions. [2021-11-23 00:33:48,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:33:48,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:48,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:48,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:33:48,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:53,709 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 00:34:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 192 states and 899 transitions. [2021-11-23 00:34:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 899 transitions. [2021-11-23 00:34:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:34:09,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:09,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:09,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:34:09,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:09,471 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 00:34:15,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 192 states and 898 transitions. [2021-11-23 00:34:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 898 transitions. [2021-11-23 00:34:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:34:15,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:15,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:15,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:34:15,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:20,563 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 00:34:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 193 states and 904 transitions. [2021-11-23 00:34:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 904 transitions. [2021-11-23 00:34:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:34:24,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:24,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:24,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:34:24,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:25,060 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 00:34:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 194 states and 905 transitions. [2021-11-23 00:34:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 905 transitions. [2021-11-23 00:34:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:34:28,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:28,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:28,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:34:28,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:33,180 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 00:34:37,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 195 states and 907 transitions. [2021-11-23 00:34:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 907 transitions. [2021-11-23 00:34:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:34:37,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:37,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:37,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:34:37,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:37,556 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 00:34:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 195 states and 906 transitions. [2021-11-23 00:34:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 906 transitions. [2021-11-23 00:34:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:34:52,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:52,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:52,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:34:52,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 00:35:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 197 states and 921 transitions. [2021-11-23 00:35:18,490 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 921 transitions. [2021-11-23 00:35:18,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:35:18,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:18,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:18,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:35:18,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 00:35:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 198 states and 924 transitions. [2021-11-23 00:35:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 924 transitions. [2021-11-23 00:35:27,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:35:27,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:27,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:27,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:35:27,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 00:35:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 199 states and 929 transitions. [2021-11-23 00:35:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 929 transitions. [2021-11-23 00:35:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:35:37,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:37,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:37,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:35:37,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 00:35:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 200 states and 933 transitions. [2021-11-23 00:35:47,419 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 933 transitions. [2021-11-23 00:35:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:35:47,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:47,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:35:47,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 00:35:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 201 states and 936 transitions. [2021-11-23 00:35:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 936 transitions. [2021-11-23 00:35:56,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:35:56,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:35:56,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 00:36:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 202 states and 937 transitions. [2021-11-23 00:36:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 937 transitions. [2021-11-23 00:36:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:36:00,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:36:00,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 00:36:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 203 states and 939 transitions. [2021-11-23 00:36:04,852 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 939 transitions. [2021-11-23 00:36:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:36:04,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:04,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:04,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:36:04,969 INFO L286 TraceCheckSpWp]: Computing forward predicates...