./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ddb0eb207fb72f46b2f9a0f11e334a77be9b4b455314fd1b26a90347e4178746 --- 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-6b4ec56 [2022-11-20 16:27:27,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:27:27,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:27:27,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:27:27,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:27:27,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:27:27,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:27:27,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:27:27,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:27:27,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:27:27,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:27:27,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:27:27,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:27:27,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:27:27,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:27:27,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:27:27,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:27:27,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:27:27,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:27:27,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:27:27,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:27:27,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:27:27,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:27:27,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:27:27,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:27:27,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:27:27,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:27:27,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:27:27,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:27:27,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:27:27,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:27:27,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:27:27,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:27:27,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:27:27,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:27:27,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:27:27,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:27:27,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:27:27,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:27:27,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:27:27,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:27:27,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 16:27:27,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:27:27,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:27:27,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:27:27,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:27:27,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:27:27,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:27:27,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:27:27,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:27:27,361 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:27:27,361 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:27:27,362 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:27:27,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:27:27,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:27:27,363 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:27:27,363 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:27:27,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:27:27,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:27:27,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:27:27,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:27:27,364 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:27:27,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:27:27,365 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_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb0eb207fb72f46b2f9a0f11e334a77be9b4b455314fd1b26a90347e4178746 [2022-11-20 16:27:27,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:27:27,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:27:27,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:27:27,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:27:27,716 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:27:27,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2022-11-20 16:27:30,754 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:27:31,094 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:27:31,098 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2022-11-20 16:27:31,113 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/data/808d3673b/75fb4a7a9f2d4c6eaf723b6ef86ee21c/FLAG0c7de3a7a [2022-11-20 16:27:31,132 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/data/808d3673b/75fb4a7a9f2d4c6eaf723b6ef86ee21c [2022-11-20 16:27:31,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:27:31,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:27:31,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:27:31,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:27:31,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:27:31,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5241ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31, skipping insertion in model container [2022-11-20 16:27:31,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:27:31,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:27:31,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:27:31,592 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:27:31,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:27:31,663 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:27:31,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31 WrapperNode [2022-11-20 16:27:31,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:27:31,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:27:31,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:27:31,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:27:31,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,714 INFO L138 Inliner]: procedures = 113, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-11-20 16:27:31,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:27:31,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:27:31,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:27:31,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:27:31,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:27:31,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:27:31,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:27:31,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:27:31,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:27:31" (1/1) ... [2022-11-20 16:27:31,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:27:31,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:27:31,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:27:31,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ce1770-a40e-47f2-85b3-3ad2520f9a46/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:27:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:27:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:27:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 16:27:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:27:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 16:27:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:27:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:27:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:27:31,997 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:27:31,999 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:27:32,323 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:27:32,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:27:32,383 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:27:32,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:32 BoogieIcfgContainer [2022-11-20 16:27:32,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:27:32,386 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:27:32,387 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:27:32,397 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:27:32,398 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:27:32" (1/1) ... [2022-11-20 16:27:32,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:27:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2022-11-20 16:27:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-20 16:27:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 16:27:32,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:32,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2022-11-20 16:27:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-20 16:27:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 16:27:32,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:32,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:33,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2022-11-20 16:27:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-11-20 16:27:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:27:33,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:33,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2022-11-20 16:27:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2022-11-20 16:27:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:27:33,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2022-11-20 16:27:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-11-20 16:27:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:27:33,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2022-11-20 16:27:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2022-11-20 16:27:33,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:27:33,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:33,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:33,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2022-11-20 16:27:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-11-20 16:27:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:27:33,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:33,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2022-11-20 16:27:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-11-20 16:27:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:27:34,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:34,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2022-11-20 16:27:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-11-20 16:27:34,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:27:34,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:34,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2022-11-20 16:27:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-11-20 16:27:35,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:27:35,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:35,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2022-11-20 16:27:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-11-20 16:27:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:27:35,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2022-11-20 16:27:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-11-20 16:27:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:27:35,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:35,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:35,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2022-11-20 16:27:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-11-20 16:27:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:27:35,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:35,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2022-11-20 16:27:35,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-11-20 16:27:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:27:35,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:35,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:36,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-11-20 16:27:36,879 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-20 16:27:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:27:36,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2022-11-20 16:27:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-20 16:27:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:27:39,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:39,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:43,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2022-11-20 16:27:43,258 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-20 16:27:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:27:43,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:43,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2022-11-20 16:27:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-20 16:27:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:27:49,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:49,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-11-20 16:27:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-11-20 16:27:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:27:50,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:50,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2022-11-20 16:27:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2022-11-20 16:27:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:27:52,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:52,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:52,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2022-11-20 16:27:52,114 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2022-11-20 16:27:52,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:27:52,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:52,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:27:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:27:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 80 transitions. [2022-11-20 16:27:52,209 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2022-11-20 16:27:52,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:27:52,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:27:52,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:27:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:27:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2022-11-20 16:28:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2022-11-20 16:28:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:28:00,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:00,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2022-11-20 16:28:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2022-11-20 16:28:03,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:28:03,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:03,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:05,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 116 transitions. [2022-11-20 16:28:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 116 transitions. [2022-11-20 16:28:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:28:17,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:17,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:17,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 73 states and 120 transitions. [2022-11-20 16:28:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 120 transitions. [2022-11-20 16:28:17,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:28:17,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 123 transitions. [2022-11-20 16:28:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 123 transitions. [2022-11-20 16:28:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:28:17,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:17,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 81 states and 140 transitions. [2022-11-20 16:28:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 140 transitions. [2022-11-20 16:28:23,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:28:23,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:23,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 89 states and 167 transitions. [2022-11-20 16:28:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 167 transitions. [2022-11-20 16:28:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:28:50,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:50,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:28:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:28:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 173 transitions. [2022-11-20 16:28:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 173 transitions. [2022-11-20 16:28:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:28:53,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:28:53,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:28:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:28:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 96 states and 182 transitions. [2022-11-20 16:29:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 182 transitions. [2022-11-20 16:29:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:29:06,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:06,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 99 states and 189 transitions. [2022-11-20 16:29:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 189 transitions. [2022-11-20 16:29:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:29:14,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:14,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:29:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 102 states and 194 transitions. [2022-11-20 16:29:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 194 transitions. [2022-11-20 16:29:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:29:18,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:29:22,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 105 states and 197 transitions. [2022-11-20 16:29:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 197 transitions. [2022-11-20 16:29:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:29:22,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:22,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:29:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 106 states and 199 transitions. [2022-11-20 16:29:23,609 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 199 transitions. [2022-11-20 16:29:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:29:23,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:23,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:30:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 116 states and 237 transitions. [2022-11-20 16:30:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 237 transitions. [2022-11-20 16:30:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:30:12,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:30:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 118 states and 241 transitions. [2022-11-20 16:30:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 241 transitions. [2022-11-20 16:30:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:30:12,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:12,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:30:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 119 states and 241 transitions. [2022-11-20 16:30:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 241 transitions. [2022-11-20 16:30:14,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:30:14,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:14,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:30:39,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:39,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 122 states and 250 transitions. [2022-11-20 16:30:39,117 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 250 transitions. [2022-11-20 16:30:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:30:39,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:39,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:30:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:42,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 123 states and 252 transitions. [2022-11-20 16:30:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 252 transitions. [2022-11-20 16:30:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:30:42,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:42,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:30:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 126 states and 255 transitions. [2022-11-20 16:30:48,773 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 255 transitions. [2022-11-20 16:30:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:30:48,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:48,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:48,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:30:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 127 states and 256 transitions. [2022-11-20 16:30:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 256 transitions. [2022-11-20 16:30:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:30:53,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:53,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:31:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:31:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:31:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 135 states and 280 transitions. [2022-11-20 16:31:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 280 transitions. [2022-11-20 16:31:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:31:47,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:31:47,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:31:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:31:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:31:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:31:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 136 states and 286 transitions. [2022-11-20 16:31:52,999 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 286 transitions. [2022-11-20 16:31:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:31:52,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:31:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:31:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:31:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:32:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:32:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 144 states and 319 transitions. [2022-11-20 16:32:29,213 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 319 transitions. [2022-11-20 16:32:29,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:32:29,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:32:29,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:32:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:32:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:33:26,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:33:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 153 states and 353 transitions. [2022-11-20 16:33:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 353 transitions. [2022-11-20 16:33:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:33:26,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:33:26,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:33:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:33:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:33:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:33:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 153 states and 352 transitions. [2022-11-20 16:33:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 352 transitions. [2022-11-20 16:33:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:33:30,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:33:30,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:33:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:33:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:33:33,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:33:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 154 states and 352 transitions. [2022-11-20 16:33:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 352 transitions. [2022-11-20 16:33:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:33:33,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:33:33,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:33:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:33:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:35:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:35:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 165 states and 399 transitions. [2022-11-20 16:35:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 399 transitions. [2022-11-20 16:35:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:35:06,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:35:06,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:35:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:35:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:35:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:35:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 167 states and 408 transitions. [2022-11-20 16:35:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 408 transitions. [2022-11-20 16:35:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:35:33,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:35:33,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:35:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:35:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:35:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:35:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 168 states and 409 transitions. [2022-11-20 16:35:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 409 transitions. [2022-11-20 16:35:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:35:45,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:35:45,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:35:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:35:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:35:50,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:35:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 169 states and 411 transitions. [2022-11-20 16:35:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 411 transitions. [2022-11-20 16:35:50,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:35:50,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:35:50,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:35:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:35:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:36:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:36:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 173 states and 429 transitions. [2022-11-20 16:36:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 429 transitions. [2022-11-20 16:36:16,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:36:16,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:36:16,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:36:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:36:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:36:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:36:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 178 states and 455 transitions. [2022-11-20 16:36:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 455 transitions. [2022-11-20 16:36:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:36:52,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:36:52,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:36:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:37:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:37:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:37:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 181 states and 466 transitions. [2022-11-20 16:37:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 466 transitions. [2022-11-20 16:37:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:37:35,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:37:35,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:37:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:37:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:38:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 189 states and 498 transitions. [2022-11-20 16:38:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 498 transitions. [2022-11-20 16:38:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:38:48,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:48,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:38:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 190 states and 500 transitions. [2022-11-20 16:38:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 500 transitions. [2022-11-20 16:38:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:38:56,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:56,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:38:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:38:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:39:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:39:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 192 states and 503 transitions. [2022-11-20 16:39:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 503 transitions. [2022-11-20 16:39:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:39:05,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:39:05,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:39:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:39:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 204 states and 557 transitions. [2022-11-20 16:41:08,468 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 557 transitions. [2022-11-20 16:41:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:41:08,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:08,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.