./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.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_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/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_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/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_61f7a499-153e-42e1-aab0-000bd8f74193/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 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- 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 16:38:45,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:45,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:45,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:45,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:45,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:45,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:46,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:46,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:46,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:46,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:46,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:46,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:46,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:46,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:46,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:46,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:46,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:46,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:46,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:46,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:46,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:46,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:46,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:46,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:46,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:46,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:46,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:46,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:46,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:46,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:46,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:46,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:46,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:46,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:46,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:46,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:46,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:46,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:46,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:46,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:46,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:38:46,128 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:46,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:46,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:46,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:46,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:46,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:46,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:46,131 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:46,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:46,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:46,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:46,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:46,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:46,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:46,133 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:46,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:46,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:46,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:46,134 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:46,134 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:46,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:46,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:46,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:46,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:46,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:46,145 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:46,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:46,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:46,145 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_61f7a499-153e-42e1-aab0-000bd8f74193/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2022-10-17 16:38:46,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:46,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:46,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:46,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:46,428 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:46,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2022-10-17 16:38:46,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/data/3e5fd6dc4/7cd37facfecb4932871059d2b553e1e1/FLAG834597fcc [2022-10-17 16:38:46,946 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:46,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2022-10-17 16:38:46,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/data/3e5fd6dc4/7cd37facfecb4932871059d2b553e1e1/FLAG834597fcc [2022-10-17 16:38:47,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/data/3e5fd6dc4/7cd37facfecb4932871059d2b553e1e1 [2022-10-17 16:38:47,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:47,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:47,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:47,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:47,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:47,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581d0eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47, skipping insertion in model container [2022-10-17 16:38:47,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:47,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:47,556 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_61f7a499-153e-42e1-aab0-000bd8f74193/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2022-10-17 16:38:47,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:47,598 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:47,616 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_61f7a499-153e-42e1-aab0-000bd8f74193/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c[526,539] [2022-10-17 16:38:47,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:47,658 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:47,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47 WrapperNode [2022-10-17 16:38:47,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:47,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:47,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:47,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:47,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,707 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-10-17 16:38:47,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:47,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:47,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:47,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:47,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:47,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:47,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:47,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:47,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:47" (1/1) ... [2022-10-17 16:38:47,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:47,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:47,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:47,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61f7a499-153e-42e1-aab0-000bd8f74193/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:38:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:38:47,888 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:47,890 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:48,047 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:48,081 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:48,081 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:38:48,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:48 BoogieIcfgContainer [2022-10-17 16:38:48,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:48,085 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:48,085 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:48,096 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:48,096 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:48" (1/1) ... [2022-10-17 16:38:48,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:38:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:38:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:38:48,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:48,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:38:48,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:38:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:38:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:38:48,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:48,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:48,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2022-10-17 16:38:48,822 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 16:38:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:38:48,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:48,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:38:48,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2022-10-17 16:38:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:38:49,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:38:49,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:49,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2022-10-17 16:38:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:38:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:49,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:49,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:49,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:38:49,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:49,769 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 16:38:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2022-10-17 16:38:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-10-17 16:38:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:38:50,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:38:50,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:38:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 71 transitions. [2022-10-17 16:38:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2022-10-17 16:38:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:38:50,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:38:50,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:38:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:51,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 106 transitions. [2022-10-17 16:38:51,966 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2022-10-17 16:38:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:38:51,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:51,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:52,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:38:52,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:38:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 112 transitions. [2022-10-17 16:38:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2022-10-17 16:38:52,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:38:52,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:52,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:52,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:38:52,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:38:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 59 states and 127 transitions. [2022-10-17 16:38:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2022-10-17 16:38:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:38:53,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:53,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:53,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:38:53,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:38:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 61 states and 128 transitions. [2022-10-17 16:38:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2022-10-17 16:38:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:38:54,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:54,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:38:54,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:38:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 67 states and 149 transitions. [2022-10-17 16:38:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2022-10-17 16:38:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:38:56,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:56,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:38:56,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:38:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 69 states and 150 transitions. [2022-10-17 16:38:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2022-10-17 16:38:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:38:56,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:56,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:38:56,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:38:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 72 states and 163 transitions. [2022-10-17 16:38:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2022-10-17 16:38:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:38:57,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:57,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:57,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:38:57,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:38:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 77 states and 178 transitions. [2022-10-17 16:38:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 178 transitions. [2022-10-17 16:38:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:38:58,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:58,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:58,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:38:58,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:38:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:59,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 79 states and 185 transitions. [2022-10-17 16:38:59,123 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 185 transitions. [2022-10-17 16:38:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:38:59,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:59,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:59,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:38:59,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-17 16:38:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 79 states and 183 transitions. [2022-10-17 16:38:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 183 transitions. [2022-10-17 16:38:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:38:59,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:59,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:38:59,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:59,767 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:39:01,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 89 states and 243 transitions. [2022-10-17 16:39:01,886 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 243 transitions. [2022-10-17 16:39:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:39:01,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:01,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:01,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:39:01,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:39:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 89 states and 242 transitions. [2022-10-17 16:39:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 242 transitions. [2022-10-17 16:39:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:39:02,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:02,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:02,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:02,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:02,302 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 16:39:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 91 states and 249 transitions. [2022-10-17 16:39:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 249 transitions. [2022-10-17 16:39:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:39:03,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:03,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:03,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:39:03,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:39:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 93 states and 255 transitions. [2022-10-17 16:39:04,606 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 255 transitions. [2022-10-17 16:39:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:39:04,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:04,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:04,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:04,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 16:39:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 95 states and 256 transitions. [2022-10-17 16:39:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 256 transitions. [2022-10-17 16:39:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:39:05,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:05,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:05,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:39:05,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:39:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 101 states and 285 transitions. [2022-10-17 16:39:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 285 transitions. [2022-10-17 16:39:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:39:08,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:08,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:08,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:39:08,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:39:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 106 states and 312 transitions. [2022-10-17 16:39:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 312 transitions. [2022-10-17 16:39:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:39:13,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:13,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:13,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:39:13,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:39:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:14,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 109 states and 316 transitions. [2022-10-17 16:39:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 316 transitions. [2022-10-17 16:39:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:39:14,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:14,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:15,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:39:15,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.