./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.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_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/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_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/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_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/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 ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e --- 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 16:55:20,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:20,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:20,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:20,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:20,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:20,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:20,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:20,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:20,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:20,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:20,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:20,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:20,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:20,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:20,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:20,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:20,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:20,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:20,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:20,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:20,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:20,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:20,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:20,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:20,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:20,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:20,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:20,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:20,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:20,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:20,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:20,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:20,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:20,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:20,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:20,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:20,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:20,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:20,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:20,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:20,201 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:55:20,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:20,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:20,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:20,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:20,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:20,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:20,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:20,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:20,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:20,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:20,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:20,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:20,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:20,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:20,250 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:20,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:20,250 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:20,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:20,251 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:20,251 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:20,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:20,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:20,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:20,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:20,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:20,252 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:20,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:20,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:20,253 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_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae698f02be6e3657db0e7ca3e62c4cfb121d43a876624ed4d21d19b033e0c02e [2022-10-17 16:55:20,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:20,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:20,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:20,582 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:20,583 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:20,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2022-10-17 16:55:20,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/data/aa355eb91/42ad4d4cd0ee408aa484c1ec482c46b1/FLAGae345d05b [2022-10-17 16:55:21,175 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:21,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c [2022-10-17 16:55:21,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/data/aa355eb91/42ad4d4cd0ee408aa484c1ec482c46b1/FLAGae345d05b [2022-10-17 16:55:21,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/data/aa355eb91/42ad4d4cd0ee408aa484c1ec482c46b1 [2022-10-17 16:55:21,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:21,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:21,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:21,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:21,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:21,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb33258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21, skipping insertion in model container [2022-10-17 16:55:21,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:21,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:21,768 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_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2022-10-17 16:55:21,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:21,804 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:21,816 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_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/sv-benchmarks/c/array-multidimensional/diff-3-n-u.c[322,335] [2022-10-17 16:55:21,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:21,845 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:21,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21 WrapperNode [2022-10-17 16:55:21,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:21,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:21,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:21,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:21,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,889 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2022-10-17 16:55:21,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:21,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:21,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:21,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:21,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:21,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:21,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:21,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:21,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:21" (1/1) ... [2022-10-17 16:55:21,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:21,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:21,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:21,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5065caac-4e7c-4432-8f8e-0ebc6e1f29e4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:55:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:55:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:55:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:55:22,105 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:22,107 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:22,439 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:22,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:22,517 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 16:55:22,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:22 BoogieIcfgContainer [2022-10-17 16:55:22,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:22,531 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:22,531 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:22,552 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:22,552 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:22" (1/1) ... [2022-10-17 16:55:22,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-10-17 16:55:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-10-17 16:55:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:55:22,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:55:22,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:22,981 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 16:55:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2022-10-17 16:55:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2022-10-17 16:55:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:55:23,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:55:23,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2022-10-17 16:55:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2022-10-17 16:55:23,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:55:23,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:55:23,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:23,475 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 16:55:23,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2022-10-17 16:55:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2022-10-17 16:55:23,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:55:23,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:55:23,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2022-10-17 16:55:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2022-10-17 16:55:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:55:24,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:24,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:24,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:24,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2022-10-17 16:55:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2022-10-17 16:55:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:55:24,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:24,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:24,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:55:24,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-10-17 16:55:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-10-17 16:55:24,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:55:24,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:24,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:24,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:55:24,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2022-10-17 16:55:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-10-17 16:55:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:55:24,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:24,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:24,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:55:24,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:25,004 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2022-10-17 16:55:25,118 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2022-10-17 16:55:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:55:25,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:55:25,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2022-10-17 16:55:25,364 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2022-10-17 16:55:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:55:25,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:55:25,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2022-10-17 16:55:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2022-10-17 16:55:25,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:55:25,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:55:25,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-10-17 16:55:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:55:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:55:25,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:26,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:55:26,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2022-10-17 16:55:26,260 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2022-10-17 16:55:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:55:26,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:26,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:26,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:55:26,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2022-10-17 16:55:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-10-17 16:55:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:55:26,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:26,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:26,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:55:26,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2022-10-17 16:55:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-10-17 16:55:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:55:26,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:26,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:26,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:55:26,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2022-10-17 16:55:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-10-17 16:55:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:55:27,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:27,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:27,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:55:27,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2022-10-17 16:55:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2022-10-17 16:55:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:55:27,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:27,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:27,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:55:27,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:27,798 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:27,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:27,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-10-17 16:55:27,957 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-10-17 16:55:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:55:27,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:27,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:28,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:55:28,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2022-10-17 16:55:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2022-10-17 16:55:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:55:28,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:28,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:55:28,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2022-10-17 16:55:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2022-10-17 16:55:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:55:28,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:28,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:28,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:55:28,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2022-10-17 16:55:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2022-10-17 16:55:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:55:29,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:29,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:55:29,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2022-10-17 16:55:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-10-17 16:55:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:55:29,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:29,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:29,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:55:29,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2022-10-17 16:55:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2022-10-17 16:55:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:55:29,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:29,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:30,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:55:30,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:30,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:30,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2022-10-17 16:55:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2022-10-17 16:55:30,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:55:30,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:30,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:30,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:55:30,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-10-17 16:55:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-10-17 16:55:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:55:30,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:30,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:30,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:55:30,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2022-10-17 16:55:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-10-17 16:55:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:55:31,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:31,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:31,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:55:31,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:31,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2022-10-17 16:55:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-10-17 16:55:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:55:31,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:31,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:31,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:55:31,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2022-10-17 16:55:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-10-17 16:55:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:55:32,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:32,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:32,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:55:32,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2022-10-17 16:55:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-10-17 16:55:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:55:32,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:32,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:32,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:55:32,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2022-10-17 16:55:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-10-17 16:55:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:55:33,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:33,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:33,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:55:33,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2022-10-17 16:55:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2022-10-17 16:55:33,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:55:33,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:33,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:33,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:55:33,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2022-10-17 16:55:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-10-17 16:55:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:55:34,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:34,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:55:34,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:34,521 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2022-10-17 16:55:34,724 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-10-17 16:55:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:55:34,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:34,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:55:34,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:35,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2022-10-17 16:55:35,300 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-10-17 16:55:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:55:35,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:35,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:35,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 16:55:35,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2022-10-17 16:55:35,832 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-10-17 16:55:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:35,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:35,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:36,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:55:36,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:36,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2022-10-17 16:55:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-10-17 16:55:36,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:55:36,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:36,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:36,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:55:36,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:37,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2022-10-17 16:55:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-10-17 16:55:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:55:37,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:37,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:37,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 16:55:37,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2022-10-17 16:55:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-10-17 16:55:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:55:37,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:37,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:37,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 16:55:37,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2022-10-17 16:55:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-10-17 16:55:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:55:38,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:38,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:38,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 16:55:38,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:38,708 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2022-10-17 16:55:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-10-17 16:55:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:55:38,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:38,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:39,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 16:55:39,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:39,316 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2022-10-17 16:55:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-10-17 16:55:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:55:39,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:39,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:39,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 16:55:39,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2022-10-17 16:55:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-10-17 16:55:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:55:40,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:40,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:40,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 16:55:40,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:40,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2022-10-17 16:55:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-10-17 16:55:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:55:40,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:40,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:40,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 16:55:40,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2022-10-17 16:55:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-10-17 16:55:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:55:41,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:41,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:41,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:55:41,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2022-10-17 16:55:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-10-17 16:55:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:55:42,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:42,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:42,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 16:55:42,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2022-10-17 16:55:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-10-17 16:55:42,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:42,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:42,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:42,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 16:55:42,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2022-10-17 16:55:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-10-17 16:55:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:55:43,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:43,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:43,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 16:55:43,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2022-10-17 16:55:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-10-17 16:55:44,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:55:44,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:44,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:44,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 16:55:44,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2022-10-17 16:55:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2022-10-17 16:55:44,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:55:44,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:44,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:45,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 16:55:45,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2022-10-17 16:55:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-10-17 16:55:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:55:45,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:45,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 16:55:45,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:46,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2022-10-17 16:55:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-10-17 16:55:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:55:46,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:46,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:46,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 16:55:46,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2022-10-17 16:55:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2022-10-17 16:55:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:55:47,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:47,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:47,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 16:55:47,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2022-10-17 16:55:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2022-10-17 16:55:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:55:47,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:47,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:48,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 16:55:48,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:48,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2022-10-17 16:55:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2022-10-17 16:55:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:55:48,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:48,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:48,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 16:55:48,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2022-10-17 16:55:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2022-10-17 16:55:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:55:49,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:49,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:49,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 16:55:49,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:50,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:50,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2022-10-17 16:55:50,252 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2022-10-17 16:55:50,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:55:50,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:50,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:50,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 16:55:50,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.