./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ --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 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:45:55,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:45:55,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:45:55,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:45:55,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:45:55,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:45:55,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:45:55,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:45:55,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:45:55,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:45:55,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:45:55,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:45:55,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:45:55,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:45:55,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:45:55,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:45:55,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:45:55,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:45:55,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:45:55,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:45:55,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:45:55,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:45:55,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:45:55,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:45:55,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:45:55,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:45:55,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:45:55,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:45:55,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:45:55,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:45:55,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:45:55,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:45:55,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:45:55,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:45:55,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:45:55,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:45:55,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:45:55,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:45:55,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:45:55,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:45:55,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:45:55,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:45:55,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:45:55,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:45:55,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:45:55,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:45:55,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:45:55,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:45:55,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:45:55,327 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:45:55,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:45:55,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:45:55,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:45:55,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:45:55,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:45:55,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:45:55,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:45:55,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:45:55,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:45:55,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:45:55,340 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:45:55,340 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:45:55,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:45:55,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:45:55,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:45:55,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:45:55,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:45:55,342 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:45:55,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:45:55,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:45:55,343 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_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 [2021-11-23 00:45:55,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:45:55,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:45:55,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:45:55,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:45:55,771 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:45:55,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c [2021-11-23 00:45:55,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/data/304d6334d/4928198d3f084f9a8996898fa2622441/FLAG97c66eec6 [2021-11-23 00:45:56,444 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:45:56,445 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c [2021-11-23 00:45:56,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/data/304d6334d/4928198d3f084f9a8996898fa2622441/FLAG97c66eec6 [2021-11-23 00:45:56,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/data/304d6334d/4928198d3f084f9a8996898fa2622441 [2021-11-23 00:45:56,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:45:56,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:45:56,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:45:56,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:45:56,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:45:56,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:45:56" (1/1) ... [2021-11-23 00:45:56,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ec426c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:56, skipping insertion in model container [2021-11-23 00:45:56,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:45:56" (1/1) ... [2021-11-23 00:45:56,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:45:56,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:45:57,057 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_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c[458,471] [2021-11-23 00:45:57,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:45:57,090 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:45:57,109 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_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c[458,471] [2021-11-23 00:45:57,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:45:57,134 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:45:57,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57 WrapperNode [2021-11-23 00:45:57,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:45:57,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:45:57,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:45:57,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:45:57,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,177 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-11-23 00:45:57,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:45:57,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:45:57,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:45:57,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:45:57,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:45:57,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:45:57,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:45:57,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:45:57,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:45:57,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:45:57,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:45:57,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6eeaaed-4d25-4926-8abc-0e4c32f50b0a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:45:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:45:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:45:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:45:57,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:45:57,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:45:57,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:45:57,349 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:45:57,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:45:57,465 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:45:57,480 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:45:57,481 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:45:57,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:45:57 BoogieIcfgContainer [2021-11-23 00:45:57,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:45:57,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:45:57,485 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:45:57,497 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:45:57,497 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:45:57" (1/1) ... [2021-11-23 00:45:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:45:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:57,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 00:45:57,583 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 00:45:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:45:57,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:57,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:57,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 00:45:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 00:45:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:45:57,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:57,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:57,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 00:45:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 00:45:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:45:57,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:57,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:58,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:45:58,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 00:45:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 00:45:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:45:58,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:58,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:58,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:45:58,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 00:45:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 00:45:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:45:59,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:59,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:59,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:45:59,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2021-11-23 00:46:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-11-23 00:46:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:46:00,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:00,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:46:00,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2021-11-23 00:46:01,588 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 00:46:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:46:01,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:01,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:01,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:46:01,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2021-11-23 00:46:02,155 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-11-23 00:46:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:02,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:02,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:02,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:46:02,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2021-11-23 00:46:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2021-11-23 00:46:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:03,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:03,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:03,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:46:03,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:05,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2021-11-23 00:46:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2021-11-23 00:46:05,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:05,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:05,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:05,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:46:05,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:46:06,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2021-11-23 00:46:06,613 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2021-11-23 00:46:06,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:06,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:06,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:06,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:46:06,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2021-11-23 00:46:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2021-11-23 00:46:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:06,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:06,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:07,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:46:07,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:08,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2021-11-23 00:46:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2021-11-23 00:46:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:46:08,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:08,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:08,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:46:08,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:46:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 121 transitions. [2021-11-23 00:46:10,213 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 121 transitions. [2021-11-23 00:46:10,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:46:10,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:10,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:10,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:46:10,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:46:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2021-11-23 00:46:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2021-11-23 00:46:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:46:11,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:11,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:11,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:46:11,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:11,878 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 71 states and 155 transitions. [2021-11-23 00:46:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2021-11-23 00:46:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:46:14,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:14,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:14,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:46:14,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:46:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 74 states and 158 transitions. [2021-11-23 00:46:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 158 transitions. [2021-11-23 00:46:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:46:15,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:15,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:15,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:46:15,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:46:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2021-11-23 00:46:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2021-11-23 00:46:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:46:16,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:16,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:17,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:46:17,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:17,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2021-11-23 00:46:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2021-11-23 00:46:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:46:17,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:17,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:17,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:46:17,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:17,556 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2021-11-23 00:46:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2021-11-23 00:46:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:17,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:17,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:17,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:46:17,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:46:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 80 states and 174 transitions. [2021-11-23 00:46:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 174 transitions. [2021-11-23 00:46:21,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:21,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:21,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:21,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:46:21,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:46:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 82 states and 175 transitions. [2021-11-23 00:46:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 175 transitions. [2021-11-23 00:46:23,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:23,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:23,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:23,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:46:23,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:46:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2021-11-23 00:46:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2021-11-23 00:46:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:25,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:25,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:25,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:46:25,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 93 states and 214 transitions. [2021-11-23 00:46:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2021-11-23 00:46:29,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:29,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:29,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:29,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:46:29,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:46:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2021-11-23 00:46:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2021-11-23 00:46:32,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:32,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:32,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:32,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:46:32,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:46:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 99 states and 220 transitions. [2021-11-23 00:46:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 220 transitions. [2021-11-23 00:46:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:35,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:35,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:35,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:46:35,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 99 states and 219 transitions. [2021-11-23 00:46:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 219 transitions. [2021-11-23 00:46:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:36,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:36,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:46:36,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 99 states and 218 transitions. [2021-11-23 00:46:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 218 transitions. [2021-11-23 00:46:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:36,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:36,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:46:36,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2021-11-23 00:46:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2021-11-23 00:46:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:46:37,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:37,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:37,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:46:37,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 107 states and 255 transitions. [2021-11-23 00:46:42,490 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 255 transitions. [2021-11-23 00:46:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:46:42,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:46:42,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:46:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 111 states and 277 transitions. [2021-11-23 00:46:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 277 transitions. [2021-11-23 00:46:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:46:47,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:46:47,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:48,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 111 states and 276 transitions. [2021-11-23 00:46:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 276 transitions. [2021-11-23 00:46:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:46:48,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:48,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:48,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:46:48,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:46:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 114 states and 279 transitions. [2021-11-23 00:46:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 279 transitions. [2021-11-23 00:46:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:46:53,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:53,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:53,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:46:53,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:46:57,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:57,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 117 states and 282 transitions. [2021-11-23 00:46:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 282 transitions. [2021-11-23 00:46:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:46:57,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:57,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:57,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:46:57,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:47:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 120 states and 286 transitions. [2021-11-23 00:47:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 286 transitions. [2021-11-23 00:47:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:47:02,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:02,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:02,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:47:02,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:03,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 120 states and 285 transitions. [2021-11-23 00:47:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 285 transitions. [2021-11-23 00:47:03,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:47:03,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:03,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:03,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:47:03,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:47:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 122 states and 286 transitions. [2021-11-23 00:47:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 286 transitions. [2021-11-23 00:47:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:47:07,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:07,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:07,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:47:07,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:47:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 289 transitions. [2021-11-23 00:47:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 289 transitions. [2021-11-23 00:47:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:47:11,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:11,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:11,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:47:11,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:12,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2021-11-23 00:47:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2021-11-23 00:47:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:47:12,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:12,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:12,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:47:12,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2021-11-23 00:47:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2021-11-23 00:47:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:47:13,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:13,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:13,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:47:13,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:21,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 133 states and 330 transitions. [2021-11-23 00:47:21,295 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 330 transitions. [2021-11-23 00:47:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:47:21,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:21,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:21,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:47:21,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:47:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 137 states and 355 transitions. [2021-11-23 00:47:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 355 transitions. [2021-11-23 00:47:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:47:31,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:31,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:31,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:47:31,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 137 states and 354 transitions. [2021-11-23 00:47:32,970 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 354 transitions. [2021-11-23 00:47:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:47:32,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:32,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:33,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:47:33,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:47:41,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:41,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 140 states and 358 transitions. [2021-11-23 00:47:41,372 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 358 transitions. [2021-11-23 00:47:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:47:41,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:41,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:41,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:47:41,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:47:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 142 states and 359 transitions. [2021-11-23 00:47:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 359 transitions. [2021-11-23 00:47:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:47:48,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:48,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:48,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:47:48,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 142 states and 358 transitions. [2021-11-23 00:47:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 358 transitions. [2021-11-23 00:47:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:47:49,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:49,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:49,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:47:49,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:47:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 145 states and 361 transitions. [2021-11-23 00:47:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 361 transitions. [2021-11-23 00:47:56,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:47:56,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:56,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:56,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:47:56,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 14 proven. 91 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:48:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 148 states and 364 transitions. [2021-11-23 00:48:02,454 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 364 transitions. [2021-11-23 00:48:02,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:48:02,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:02,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:02,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:48:02,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:02,621 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:03,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 148 states and 363 transitions. [2021-11-23 00:48:03,696 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 363 transitions. [2021-11-23 00:48:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:48:03,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:03,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:03,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:48:03,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 14 proven. 91 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:48:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 151 states and 366 transitions. [2021-11-23 00:48:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 366 transitions. [2021-11-23 00:48:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:48:13,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:13,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:13,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:48:13,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:48:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 154 states and 369 transitions. [2021-11-23 00:48:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 369 transitions. [2021-11-23 00:48:19,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:48:19,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:19,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:19,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:48:19,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 154 states and 368 transitions. [2021-11-23 00:48:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 368 transitions. [2021-11-23 00:48:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:48:21,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:21,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:21,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:48:21,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 154 states and 367 transitions. [2021-11-23 00:48:22,386 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 367 transitions. [2021-11-23 00:48:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:48:22,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:22,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:22,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:48:22,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:48:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 158 states and 393 transitions. [2021-11-23 00:48:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 393 transitions. [2021-11-23 00:48:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:48:40,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:40,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:41,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:48:41,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 16 proven. 121 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:48:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 161 states and 396 transitions. [2021-11-23 00:48:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 396 transitions. [2021-11-23 00:48:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:48:51,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:51,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:51,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:48:51,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 169 states and 447 transitions. [2021-11-23 00:49:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 447 transitions. [2021-11-23 00:49:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:49:06,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:06,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:06,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:49:06,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:08,120 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 16 proven. 121 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:49:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 172 states and 450 transitions. [2021-11-23 00:49:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 450 transitions. [2021-11-23 00:49:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:49:16,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:16,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:16,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:49:16,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 172 states and 449 transitions. [2021-11-23 00:49:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 449 transitions. [2021-11-23 00:49:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:49:18,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:18,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:18,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:49:18,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:49:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 175 states and 452 transitions. [2021-11-23 00:49:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 452 transitions. [2021-11-23 00:49:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:49:30,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:30,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:49:30,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 175 states and 451 transitions. [2021-11-23 00:49:32,470 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 451 transitions. [2021-11-23 00:49:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:49:32,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:32,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:32,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:49:32,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 133 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 00:50:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 178 states and 478 transitions. [2021-11-23 00:50:23,301 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 478 transitions. [2021-11-23 00:50:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:50:23,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:23,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:23,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:50:23,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 178 states and 477 transitions. [2021-11-23 00:50:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 477 transitions. [2021-11-23 00:50:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:50:26,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:26,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:26,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:50:26,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:50:42,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 181 states and 480 transitions. [2021-11-23 00:50:42,729 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 480 transitions. [2021-11-23 00:50:42,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:50:42,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:42,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:43,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:50:43,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:50:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 184 states and 483 transitions. [2021-11-23 00:50:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 483 transitions. [2021-11-23 00:50:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:50:58,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:58,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:58,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:50:58,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:01,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:01,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 184 states and 482 transitions. [2021-11-23 00:51:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 482 transitions. [2021-11-23 00:51:01,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:51:01,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:01,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:01,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:51:01,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:51:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 187 states and 485 transitions. [2021-11-23 00:51:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 485 transitions. [2021-11-23 00:51:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:51:19,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:51:19,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:21,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 187 states and 484 transitions. [2021-11-23 00:51:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 484 transitions. [2021-11-23 00:51:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:51:21,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:21,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:21,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:51:21,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:24,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 187 states and 483 transitions. [2021-11-23 00:51:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 483 transitions. [2021-11-23 00:51:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:51:24,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:24,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:25,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 00:51:25,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:37,101 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:54:58,489 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:55:08,512 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:55:18,531 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:55:28,568 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:55:38,590 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:58:47,191 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:58:57,211 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:59:07,234 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:59:17,278 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:59:27,299 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)