./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:35:03,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:03,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:03,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:03,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:03,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:03,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:03,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:03,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:03,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:03,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:03,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:03,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:03,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:03,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:03,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:03,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:03,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:03,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:03,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:03,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:03,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:03,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:03,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:03,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:03,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:03,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:03,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:03,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:03,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:03,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:03,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:03,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:03,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:03,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:03,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:03,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:03,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:03,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:03,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:03,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:03,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:35:03,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:03,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:03,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:35:03,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:35:03,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:03,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:03,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:03,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:35:03,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:03,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:03,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:35:03,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:03,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:35:03,938 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:35:03,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:35:03,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:03,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:35:03,938 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:03,939 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:03,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:03,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:03,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:03,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:03,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:35:03,940 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:03,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:03,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:35:03,941 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_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2022-10-17 16:35:04,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:04,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:04,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:04,275 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:04,283 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:04,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2022-10-17 16:35:04,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/data/e64fe458c/b7e89a8d395a4480b6ddd811201888fe/FLAGc6d38c3e3 [2022-10-17 16:35:04,775 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:04,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2022-10-17 16:35:04,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/data/e64fe458c/b7e89a8d395a4480b6ddd811201888fe/FLAGc6d38c3e3 [2022-10-17 16:35:05,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/data/e64fe458c/b7e89a8d395a4480b6ddd811201888fe [2022-10-17 16:35:05,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:05,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:05,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:05,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:05,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:05,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197bf790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05, skipping insertion in model container [2022-10-17 16:35:05,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:05,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:05,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:05,414 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:05,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:05,445 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:05,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05 WrapperNode [2022-10-17 16:35:05,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:05,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:05,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:05,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:05,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,479 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-10-17 16:35:05,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:05,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:05,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:05,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:05,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:05,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:05,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:05,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:05,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:05,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:05,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:05,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb562-5708-4f97-b83a-a0ec3ec1c654/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:05,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:05,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:05,685 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:05,687 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:05,765 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:05,790 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:05,790 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:35:05,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:05 BoogieIcfgContainer [2022-10-17 16:35:05,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:05,794 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:05,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:05,805 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:05,806 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:05" (1/1) ... [2022-10-17 16:35:05,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:05,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-10-17 16:35:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-10-17 16:35:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:35:05,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:05,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:06,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-10-17 16:35:06,108 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-10-17 16:35:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:35:06,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:06,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 16:35:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 16:35:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:35:06,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:06,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:06,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2022-10-17 16:35:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2022-10-17 16:35:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:35:06,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:06,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2022-10-17 16:35:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2022-10-17 16:35:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:07,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:07,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:07,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:07,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2022-10-17 16:35:07,378 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2022-10-17 16:35:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:35:07,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:07,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-10-17 16:35:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-10-17 16:35:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:07,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:07,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:35:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:35:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:07,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:07,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-10-17 16:35:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 16:35:08,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:35:08,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:35:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2022-10-17 16:35:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-10-17 16:35:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:35:08,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:08,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:35:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2022-10-17 16:35:08,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-10-17 16:35:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:35:08,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:08,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:35:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:09,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2022-10-17 16:35:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-10-17 16:35:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:35:09,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:09,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:35:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-10-17 16:35:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-10-17 16:35:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:35:09,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:09,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-10-17 16:35:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-10-17 16:35:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:09,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:09,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2022-10-17 16:35:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-10-17 16:35:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:35:10,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:10,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:35:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-10-17 16:35:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-10-17 16:35:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:35:10,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-10-17 16:35:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-10-17 16:35:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:35:11,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:11,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2022-10-17 16:35:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2022-10-17 16:35:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:35:12,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:35:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:12,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2022-10-17 16:35:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-10-17 16:35:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:35:12,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:12,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 53 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2022-10-17 16:35:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2022-10-17 16:35:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:35:13,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:13,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 74 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:35:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2022-10-17 16:35:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2022-10-17 16:35:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:35:14,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:14,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 74 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2022-10-17 16:35:15,581 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2022-10-17 16:35:15,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:35:15,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:15,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 57 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:35:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2022-10-17 16:35:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2022-10-17 16:35:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:35:16,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:16,363 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 98 proven. 137 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:17,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:17,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2022-10-17 16:35:17,421 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2022-10-17 16:35:17,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:35:17,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:17,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 146 proven. 77 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-17 16:35:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 109 transitions. [2022-10-17 16:35:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2022-10-17 16:35:17,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:35:17,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:17,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 125 proven. 191 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:19,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:19,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2022-10-17 16:35:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2022-10-17 16:35:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:35:19,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:19,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 191 proven. 100 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 16:35:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 81 states and 127 transitions. [2022-10-17 16:35:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 127 transitions. [2022-10-17 16:35:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:35:20,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:20,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 155 proven. 254 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 87 states and 143 transitions. [2022-10-17 16:35:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2022-10-17 16:35:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:35:21,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:21,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 242 proven. 126 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-10-17 16:35:22,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 90 states and 146 transitions. [2022-10-17 16:35:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 146 transitions. [2022-10-17 16:35:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:35:22,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:22,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 188 proven. 326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 163 transitions. [2022-10-17 16:35:24,212 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 163 transitions. [2022-10-17 16:35:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:35:24,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:24,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 299 proven. 155 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-17 16:35:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 166 transitions. [2022-10-17 16:35:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 166 transitions. [2022-10-17 16:35:25,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:35:25,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:25,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 224 proven. 407 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:26,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 105 states and 184 transitions. [2022-10-17 16:35:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2022-10-17 16:35:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:35:26,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:26,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 362 proven. 187 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-10-17 16:35:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 187 transitions. [2022-10-17 16:35:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 187 transitions. [2022-10-17 16:35:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:35:27,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:27,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 263 proven. 497 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 114 states and 206 transitions. [2022-10-17 16:35:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 206 transitions. [2022-10-17 16:35:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:35:29,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:29,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 431 proven. 222 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-10-17 16:35:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 117 states and 209 transitions. [2022-10-17 16:35:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 209 transitions. [2022-10-17 16:35:30,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:35:30,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:30,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 305 proven. 596 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 123 states and 229 transitions. [2022-10-17 16:35:32,583 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 229 transitions. [2022-10-17 16:35:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:35:32,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:32,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 506 proven. 260 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-10-17 16:35:33,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 126 states and 232 transitions. [2022-10-17 16:35:33,449 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2022-10-17 16:35:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:35:33,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:33,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 350 proven. 704 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.