./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.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_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/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_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/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_605b6ab1-be14-4a42-809f-653a844c0b0e/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 dcfa20afbcf57395283e6b29150825f75bf22f314560a1ef9f9a071a6a8d55a6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:41,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:41,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:41,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:41,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:41,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:41,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:41,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:41,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:41,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:41,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:41,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:41,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:41,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:41,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:41,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:41,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:41,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:41,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:41,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:41,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:41,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:41,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:41,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:41,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:41,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:41,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:41,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:41,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:41,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:41,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:41,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:41,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:41,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:41,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:41,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:41,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:41,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:41,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:41,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:41,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:41,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:24:41,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:41,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:41,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:24:41,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:24:41,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:41,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:41,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:41,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:41,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:24:41,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:41,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:41,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:24:41,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:41,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:24:41,537 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:41,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:24:41,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:41,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:24:41,538 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:41,538 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:41,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:41,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:41,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:41,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:41,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:24:41,540 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:24:41,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:24:41,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:24:41,540 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_605b6ab1-be14-4a42-809f-653a844c0b0e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcfa20afbcf57395283e6b29150825f75bf22f314560a1ef9f9a071a6a8d55a6 [2021-11-22 23:24:41,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:41,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:41,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:41,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:41,846 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:41,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c [2021-11-22 23:24:41,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/data/c9ce44b22/926f254191034d3cb0ece49593ad3084/FLAGe4c06d895 [2021-11-22 23:24:42,371 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:42,374 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c [2021-11-22 23:24:42,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/data/c9ce44b22/926f254191034d3cb0ece49593ad3084/FLAGe4c06d895 [2021-11-22 23:24:42,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/data/c9ce44b22/926f254191034d3cb0ece49593ad3084 [2021-11-22 23:24:42,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:42,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:42,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:42,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:42,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:42,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1955b8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:42, skipping insertion in model container [2021-11-22 23:24:42,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:42" (1/1) ... [2021-11-22 23:24:42,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:42,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:43,104 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_605b6ab1-be14-4a42-809f-653a844c0b0e/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c[525,538] [2021-11-22 23:24:43,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:43,126 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:43,138 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_605b6ab1-be14-4a42-809f-653a844c0b0e/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c[525,538] [2021-11-22 23:24:43,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:43,156 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:43,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43 WrapperNode [2021-11-22 23:24:43,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:43,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:43,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:43,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:43,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,191 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2021-11-22 23:24:43,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:43,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:43,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:43,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:43,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:43,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:43,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:43,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:43,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:43,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:43,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:43,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605b6ab1-be14-4a42-809f-653a844c0b0e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:24:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:43,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:24:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:24:43,380 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:43,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:43,526 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:43,541 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:43,541 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:24:43,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:43 BoogieIcfgContainer [2021-11-22 23:24:43,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:43,545 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:43,545 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:43,555 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:43,555 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:24:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-22 23:24:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-22 23:24:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:24:43,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 23:24:43,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-22 23:24:43,790 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-22 23:24:43,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:24:43,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:24:43,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-22 23:24:43,909 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-22 23:24:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:24:43,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:24:43,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-22 23:24:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-22 23:24:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:24:44,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-22 23:24:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-22 23:24:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:24:45,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-22 23:24:46,724 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-22 23:24:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:24:46,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2021-11-22 23:24:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2021-11-22 23:24:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:24:47,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2021-11-22 23:24:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2021-11-22 23:24:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:24:49,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 45 states and 100 transitions. [2021-11-22 23:24:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 100 transitions. [2021-11-22 23:24:51,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:24:51,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 54 states and 141 transitions. [2021-11-22 23:25:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 141 transitions. [2021-11-22 23:25:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:25:05,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:25:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 59 states and 154 transitions. [2021-11-22 23:25:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 154 transitions. [2021-11-22 23:25:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:25:27,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 63 states and 164 transitions. [2021-11-22 23:25:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 164 transitions. [2021-11-22 23:25:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:25:32,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:25:50,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:50,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 68 states and 185 transitions. [2021-11-22 23:25:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 185 transitions. [2021-11-22 23:25:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:25:50,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:50,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:50,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:25:50,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:26:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 70 states and 188 transitions. [2021-11-22 23:26:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 188 transitions. [2021-11-22 23:26:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:26:07,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:07,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:07,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:26:07,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 72 states and 191 transitions. [2021-11-22 23:26:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 191 transitions. [2021-11-22 23:26:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:26:08,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:08,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:08,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:26:08,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2021-11-22 23:26:23,060 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2021-11-22 23:26:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:26:23,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:23,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:23,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:26:23,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:26:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 85 states and 261 transitions. [2021-11-22 23:26:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 261 transitions. [2021-11-22 23:26:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:26:39,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:39,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:39,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:26:39,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:07,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 87 states and 265 transitions. [2021-11-22 23:27:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 265 transitions. [2021-11-22 23:27:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:27:07,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:07,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:07,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:27:07,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:09,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 89 states and 271 transitions. [2021-11-22 23:27:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 271 transitions. [2021-11-22 23:27:09,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:27:09,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:09,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:09,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:27:09,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:27:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 92 states and 276 transitions. [2021-11-22 23:27:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 276 transitions. [2021-11-22 23:27:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:27:31,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:31,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:31,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:27:31,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:27:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 94 states and 277 transitions. [2021-11-22 23:27:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 277 transitions. [2021-11-22 23:27:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:27:50,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:50,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:50,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:27:50,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 95 states and 279 transitions. [2021-11-22 23:27:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 279 transitions. [2021-11-22 23:27:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:27:52,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:52,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:53,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:27:53,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:28:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 100 states and 303 transitions. [2021-11-22 23:28:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 303 transitions. [2021-11-22 23:28:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:28:13,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:13,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:13,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:28:13,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:28:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 102 states and 306 transitions. [2021-11-22 23:28:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 306 transitions. [2021-11-22 23:28:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:28:24,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:24,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:24,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:28:24,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:28:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 104 states and 307 transitions. [2021-11-22 23:28:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 307 transitions. [2021-11-22 23:28:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:28:50,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:50,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:50,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:28:50,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 104 states and 305 transitions. [2021-11-22 23:29:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 305 transitions. [2021-11-22 23:29:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:03,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:03,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:03,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:29:03,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 112 states and 361 transitions. [2021-11-22 23:29:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 361 transitions. [2021-11-22 23:29:36,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:29:36,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:36,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:36,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:29:36,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 116 states and 384 transitions. [2021-11-22 23:30:08,330 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 384 transitions. [2021-11-22 23:30:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:08,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:08,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:08,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:30:08,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:30:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 118 states and 385 transitions. [2021-11-22 23:30:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 385 transitions. [2021-11-22 23:30:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:21,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:21,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:21,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:30:21,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:30:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 120 states and 386 transitions. [2021-11-22 23:30:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 386 transitions. [2021-11-22 23:30:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:33,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:33,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:33,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 23:30:33,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:30:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 123 states and 399 transitions. [2021-11-22 23:30:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 399 transitions. [2021-11-22 23:30:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:30:49,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:49,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:49,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:30:49,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:13,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 125 states and 404 transitions. [2021-11-22 23:31:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 404 transitions. [2021-11-22 23:31:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:31:13,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:31:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 128 states and 416 transitions. [2021-11-22 23:31:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 416 transitions. [2021-11-22 23:31:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:31:32,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:32,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:32,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:31:32,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 130 states and 419 transitions. [2021-11-22 23:31:42,125 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 419 transitions. [2021-11-22 23:31:42,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:31:42,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:42,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:42,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 23:31:42,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:31:46,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 131 states and 420 transitions. [2021-11-22 23:31:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 420 transitions. [2021-11-22 23:31:46,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:31:46,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:04,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-22 23:32:04,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:04,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 133 states and 428 transitions. [2021-11-22 23:32:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 428 transitions. [2021-11-22 23:32:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:32:04,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:04,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:04,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:32:04,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 133 states and 426 transitions. [2021-11-22 23:32:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 426 transitions. [2021-11-22 23:32:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:32:12,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:12,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:12,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:32:12,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:32:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 134 states and 430 transitions. [2021-11-22 23:32:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 430 transitions. [2021-11-22 23:32:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:32:19,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:19,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:19,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:32:19,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 134 states and 429 transitions. [2021-11-22 23:32:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 429 transitions. [2021-11-22 23:32:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:32:28,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:28,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:28,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:32:28,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 138 states and 473 transitions. [2021-11-22 23:32:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 473 transitions. [2021-11-22 23:32:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:32:53,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:53,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:53,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-22 23:32:53,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:33:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:18,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 142 states and 500 transitions. [2021-11-22 23:33:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 500 transitions. [2021-11-22 23:33:18,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:33:18,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:18,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:18,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:33:18,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:04,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-22 23:34:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 148 states and 537 transitions. [2021-11-22 23:34:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 537 transitions. [2021-11-22 23:34:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:34:04,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:04,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:04,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:34:04,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 148 states and 535 transitions. [2021-11-22 23:34:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 535 transitions. [2021-11-22 23:34:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:34:09,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:09,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:09,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:34:09,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:34:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 151 states and 540 transitions. [2021-11-22 23:34:45,156 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 540 transitions. [2021-11-22 23:34:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:34:45,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:45,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:45,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-22 23:34:45,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 63 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:35:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 157 states and 562 transitions. [2021-11-22 23:35:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 562 transitions. [2021-11-22 23:35:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:35:46,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:46,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:46,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:35:46,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:35:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:35:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 159 states and 565 transitions. [2021-11-22 23:35:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 565 transitions. [2021-11-22 23:35:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:35:50,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:35:50,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:35:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:35:51,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:35:51,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:35:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:36:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:36:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 165 states and 576 transitions. [2021-11-22 23:36:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 576 transitions. [2021-11-22 23:36:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:36:46,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:36:46,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:36:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:36:46,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:36:46,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:36:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:37:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:37:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 167 states and 578 transitions. [2021-11-22 23:37:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 578 transitions. [2021-11-22 23:37:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:37:07,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:37:07,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:37:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:37:07,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:37:07,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:37:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:37:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:37:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 169 states and 583 transitions. [2021-11-22 23:37:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 583 transitions. [2021-11-22 23:37:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:37:23,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:37:23,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:37:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:37:23,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:37:23,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:37:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:37:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:37:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 171 states and 586 transitions. [2021-11-22 23:37:28,986 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 586 transitions. [2021-11-22 23:37:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:37:28,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:37:28,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:37:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:37:29,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:37:29,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:37:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:38:09,159 WARN L227 SmtUtils]: Spent 15.73s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:38:41,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-22 23:38:42,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:38:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 175 states and 610 transitions. [2021-11-22 23:38:42,569 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 610 transitions. [2021-11-22 23:38:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:38:42,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:38:42,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:38:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:38:42,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:38:42,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:38:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.