./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-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_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/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_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/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_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/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 ab58e6e2c961b5079d27f0e50d102b130cbd0fe91f94b9e7f9ec684782e7528b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:34:56,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:34:56,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:34:56,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:34:56,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:34:56,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:34:56,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:34:56,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:34:56,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:34:56,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:34:56,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:34:56,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:34:56,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:34:56,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:34:56,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:34:56,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:34:56,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:34:56,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:34:56,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:34:56,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:34:56,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:34:56,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:34:56,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:34:56,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:34:56,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:34:56,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:34:56,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:34:56,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:34:56,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:34:56,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:34:56,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:34:56,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:34:56,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:34:56,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:34:56,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:34:56,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:34:56,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:34:56,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:34:56,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:34:56,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:34:56,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:34:56,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:34:56,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:34:56,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:34:56,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:34:56,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:34:56,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:34:56,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:34:56,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:34:56,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:34:56,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:34:56,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:34:56,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:34:56,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:34:56,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:34:56,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:34:56,977 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:34:56,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:34:56,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:34:56,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:34:56,980 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:34:56,980 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:34:56,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:34:56,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:56,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:34:56,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:34:56,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:34:56,982 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:34:56,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:34:56,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:34:56,983 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_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab58e6e2c961b5079d27f0e50d102b130cbd0fe91f94b9e7f9ec684782e7528b [2021-11-23 01:34:57,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:34:57,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:34:57,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:34:57,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:34:57,319 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:34:57,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c [2021-11-23 01:34:57,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/data/9ab84ad8d/f6d112f77d464bc69216e3c8cd7655c6/FLAG07d7bbe0e [2021-11-23 01:34:57,898 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:34:57,899 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c [2021-11-23 01:34:57,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/data/9ab84ad8d/f6d112f77d464bc69216e3c8cd7655c6/FLAG07d7bbe0e [2021-11-23 01:34:58,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/data/9ab84ad8d/f6d112f77d464bc69216e3c8cd7655c6 [2021-11-23 01:34:58,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:34:58,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:34:58,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:58,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:34:58,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:34:58,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30739996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58, skipping insertion in model container [2021-11-23 01:34:58,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:34:58,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:34:58,593 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_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c[537,550] [2021-11-23 01:34:58,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:58,613 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:34:58,626 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_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c[537,550] [2021-11-23 01:34:58,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:58,645 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:34:58,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58 WrapperNode [2021-11-23 01:34:58,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:58,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:58,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:34:58,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:34:58,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,706 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2021-11-23 01:34:58,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:58,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:34:58,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:34:58,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:34:58,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:34:58,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:34:58,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:34:58,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:34:58,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:58" (1/1) ... [2021-11-23 01:34:58,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:58,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:34:58,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:34:58,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c75a348-acf9-4cf0-942b-7d7f7e1cc5f0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:34:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:34:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:34:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:34:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:34:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:34:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:34:58,914 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:34:58,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:34:59,039 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:34:59,093 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:34:59,094 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:34:59,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:59 BoogieIcfgContainer [2021-11-23 01:34:59,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:34:59,097 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:34:59,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:34:59,108 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:34:59,109 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:59" (1/1) ... [2021-11-23 01:34:59,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:34:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 01:34:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 01:34:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:34:59,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:59,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:59,410 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 01:34:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 01:34:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 01:34:59,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:34:59,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:59,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:59,538 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 01:34:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 01:34:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 01:34:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:34:59,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:59,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:59,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:34:59,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:59,794 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 01:35:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 01:35:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 01:35:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:35:00,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:00,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:35:00,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2021-11-23 01:35:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2021-11-23 01:35:00,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:00,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:00,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:35:00,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:04,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-11-23 01:35:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-11-23 01:35:06,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:06,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:06,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:06,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:35:06,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:06,834 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 01:35:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 80 transitions. [2021-11-23 01:35:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 80 transitions. [2021-11-23 01:35:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:35:07,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:07,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:07,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:35:07,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:09,042 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 01:35:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2021-11-23 01:35:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2021-11-23 01:35:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:35:09,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:09,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:09,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:35:09,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:35:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 91 transitions. [2021-11-23 01:35:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 91 transitions. [2021-11-23 01:35:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:35:10,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:10,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:10,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:35:10,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:18,186 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 01:35:22,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:35:23,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:35:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 47 states and 106 transitions. [2021-11-23 01:35:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 106 transitions. [2021-11-23 01:35:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:35:23,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:23,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:23,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:35:23,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:30,656 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 01:35:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 49 states and 109 transitions. [2021-11-23 01:35:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 109 transitions. [2021-11-23 01:35:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:35:32,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:32,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:32,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:35:32,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:32,685 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 01:35:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 126 transitions. [2021-11-23 01:35:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 126 transitions. [2021-11-23 01:35:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:35:34,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:34,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:34,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:35:34,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:41,692 WARN L227 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 14 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:35:43,638 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 01:35:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 129 transitions. [2021-11-23 01:35:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2021-11-23 01:35:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:35:45,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:45,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:45,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:35:45,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:45,451 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 01:35:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 59 states and 147 transitions. [2021-11-23 01:35:47,146 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 147 transitions. [2021-11-23 01:35:47,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:35:47,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:47,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:47,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:35:47,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:35:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 61 states and 158 transitions. [2021-11-23 01:35:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 158 transitions. [2021-11-23 01:35:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:35:51,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:51,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:51,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:35:51,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:06,640 WARN L227 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 19 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:36:22,910 WARN L227 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 14 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:36:27,374 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 01:36:40,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:36:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 65 states and 178 transitions. [2021-11-23 01:36:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 178 transitions. [2021-11-23 01:36:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:41,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:41,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:41,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:36:41,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:36:41,763 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 01:36:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 73 states and 224 transitions. [2021-11-23 01:36:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 224 transitions. [2021-11-23 01:36:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:50,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:50,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:50,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:36:50,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:37:19,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 75 states and 227 transitions. [2021-11-23 01:37:19,195 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 227 transitions. [2021-11-23 01:37:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:19,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:19,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:37:19,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:19,322 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 01:37:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 75 states and 226 transitions. [2021-11-23 01:37:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 226 transitions. [2021-11-23 01:37:21,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:21,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:21,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:21,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:37:21,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:37:57,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 77 states and 229 transitions. [2021-11-23 01:37:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 229 transitions. [2021-11-23 01:37:57,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:57,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:57,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:57,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:37:57,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:57,728 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 01:38:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 77 states and 228 transitions. [2021-11-23 01:38:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 228 transitions. [2021-11-23 01:38:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:38:00,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:00,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:38:00,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:24,691 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) [2021-11-23 01:38:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:38:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 79 states and 231 transitions. [2021-11-23 01:38:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 231 transitions. [2021-11-23 01:38:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:38:45,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:45,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:45,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:38:45,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:53,851 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:38:53,929 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:38:54,063 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:38:54,171 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:38:54,342 INFO L883 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:38:54,784 INFO L883 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:38:55,598 INFO L883 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:38:56,978 INFO L883 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:38:58,301 INFO L883 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:00,147 INFO L883 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:02,709 INFO L883 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:06,011 INFO L883 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:10,195 INFO L883 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:15,114 INFO L883 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:21,060 INFO L883 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:28,475 INFO L883 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:37,268 INFO L883 QuantifierPusher]: Run 140 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:47,556 INFO L883 QuantifierPusher]: Run 150 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:39:59,600 INFO L883 QuantifierPusher]: Run 160 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:40:13,256 INFO L883 QuantifierPusher]: Run 170 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:40:28,116 INFO L883 QuantifierPusher]: Run 180 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:40:44,469 INFO L883 QuantifierPusher]: Run 190 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:41:03,203 INFO L883 QuantifierPusher]: Run 200 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:41:24,349 INFO L883 QuantifierPusher]: Run 210 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:41:49,431 INFO L883 QuantifierPusher]: Run 220 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:42:16,723 INFO L883 QuantifierPusher]: Run 230 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:42:48,255 INFO L883 QuantifierPusher]: Run 240 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:43:23,886 INFO L883 QuantifierPusher]: Run 250 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:44:01,407 INFO L883 QuantifierPusher]: Run 260 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:44:41,946 INFO L883 QuantifierPusher]: Run 270 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:45:28,158 INFO L883 QuantifierPusher]: Run 280 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:46:18,335 INFO L883 QuantifierPusher]: Run 290 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:47:16,877 INFO L883 QuantifierPusher]: Run 300 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:48:17,684 INFO L883 QuantifierPusher]: Run 310 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug.