./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/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_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95c338a7a91abcfb8302c7314ea1de7bdde280884a10e8d539233a34032b9a5d --- 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 16:50:13,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:13,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:13,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:13,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:13,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:13,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:13,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:13,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:13,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:13,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:13,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:13,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:13,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:13,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:13,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:13,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:13,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:13,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:13,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:13,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:13,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:13,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:13,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:13,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:13,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:13,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:13,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:13,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:13,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:13,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:13,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:13,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:13,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:13,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:13,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:13,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:13,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:13,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:13,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:13,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:13,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:13,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:13,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:13,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:13,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:13,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:13,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:13,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:13,965 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:13,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:13,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:13,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:13,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:13,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:13,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:13,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:13,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:13,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:13,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:13,968 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:13,968 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:13,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:13,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:13,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:13,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:13,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:13,969 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:13,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:13,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:13,970 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_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95c338a7a91abcfb8302c7314ea1de7bdde280884a10e8d539233a34032b9a5d [2022-10-17 16:50:14,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:14,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:14,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:14,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:14,302 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:14,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2022-10-17 16:50:14,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/data/fc48727d4/276cadfbc2224623b826d06c5409419d/FLAG6b3fc1ee6 [2022-10-17 16:50:14,924 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:14,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2022-10-17 16:50:14,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/data/fc48727d4/276cadfbc2224623b826d06c5409419d/FLAG6b3fc1ee6 [2022-10-17 16:50:15,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/data/fc48727d4/276cadfbc2224623b826d06c5409419d [2022-10-17 16:50:15,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:15,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:15,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:15,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:15,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:15,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e50379b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15, skipping insertion in model container [2022-10-17 16:50:15,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:15,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:15,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c[576,589] [2022-10-17 16:50:15,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:15,575 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:15,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c[576,589] [2022-10-17 16:50:15,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:15,648 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:15,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15 WrapperNode [2022-10-17 16:50:15,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:15,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:15,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:15,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:15,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,701 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-10-17 16:50:15,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:15,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:15,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:15,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:15,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,745 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:15,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:15,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:15,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:15,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:15" (1/1) ... [2022-10-17 16:50:15,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:15,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:15,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:15,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c7dbb9-0e7f-406c-8c82-fbbd20c470f2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:15,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:50:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:50:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:50:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:50:15,926 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:15,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:16,113 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:16,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:16,142 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:50:16,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:16 BoogieIcfgContainer [2022-10-17 16:50:16,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:16,158 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:16,158 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:16,177 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:16,178 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:16" (1/1) ... [2022-10-17 16:50:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-10-17 16:50:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-10-17 16:50:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:50:16,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:16,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:16,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:50:16,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:50:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-10-17 16:50:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:50:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:16,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:16,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:16,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:16,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:17,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:17,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:17,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:17,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:17,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:17,740 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:17,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:17,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:17,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:17,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:17,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:17,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:18,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:18,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:18,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:18,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:18,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:18,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:18,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:18,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:18,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:18,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:18,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:18,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:18,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:18,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:18,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:18,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:18,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:18,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:18,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,815 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:19,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:19,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:19,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:19,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:19,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:20,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:20,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:20,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:20,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:20,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:20,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:20,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:20,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:50:20,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:50:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:50:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:20,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:20,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:20,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:50:20,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:50:20,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:20,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2022-10-17 16:50:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2022-10-17 16:50:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:50:20,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:20,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:20,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:20,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:50:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:20,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2022-10-17 16:50:20,931 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2022-10-17 16:50:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:50:20,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:20,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:20,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:50:20,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:50:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 85 transitions. [2022-10-17 16:50:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-10-17 16:50:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:50:22,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:22,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:50:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 90 transitions. [2022-10-17 16:50:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2022-10-17 16:50:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:50:22,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:22,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:22,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:50:22,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:50:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2022-10-17 16:50:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2022-10-17 16:50:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:50:23,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:50:23,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:23,357 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-17 16:50:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 107 transitions. [2022-10-17 16:50:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2022-10-17 16:50:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:50:23,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:23,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:23,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:23,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-17 16:50:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 113 transitions. [2022-10-17 16:50:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2022-10-17 16:50:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:50:24,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:24,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:24,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:50:24,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-17 16:50:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 69 states and 136 transitions. [2022-10-17 16:50:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 136 transitions. [2022-10-17 16:50:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:50:27,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:27,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:27,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:50:27,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-17 16:50:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 151 transitions. [2022-10-17 16:50:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2022-10-17 16:50:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:50:28,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:28,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:28,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:28,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-10-17 16:50:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 80 states and 158 transitions. [2022-10-17 16:50:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2022-10-17 16:50:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:50:30,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:30,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:30,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:30,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-10-17 16:50:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 169 transitions. [2022-10-17 16:50:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 169 transitions. [2022-10-17 16:50:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:50:31,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:31,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:31,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:50:31,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:31,733 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-17 16:50:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 87 states and 174 transitions. [2022-10-17 16:50:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 174 transitions. [2022-10-17 16:50:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:50:32,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:32,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:32,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:50:32,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 31 proven. 26 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-10-17 16:50:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 107 states and 216 transitions. [2022-10-17 16:50:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 216 transitions. [2022-10-17 16:50:42,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:50:42,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:42,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:42,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:50:42,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:50:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 110 states and 220 transitions. [2022-10-17 16:50:44,506 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 220 transitions. [2022-10-17 16:50:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 16:50:44,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:50:44,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-10-17 16:50:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 40 states and 56 transitions. [2022-10-17 16:50:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2022-10-17 16:50:46,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:50:46,584 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 39 iterations. [2022-10-17 16:50:46,595 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold