./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-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_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/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_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/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_83059148-10da-483e-8e08-46d98c5ab16c/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 baeebe831189d0208212eeaf417b83dac95cdcd24131565645f78fcbd5cf583c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:54:12,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:54:12,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:54:12,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:54:12,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:54:12,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:54:12,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:54:12,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:54:12,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:54:12,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:54:12,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:54:12,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:54:12,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:54:12,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:54:12,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:54:12,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:54:12,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:54:12,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:54:12,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:54:12,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:54:12,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:54:12,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:54:12,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:54:12,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:54:12,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:54:12,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:54:12,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:54:12,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:54:12,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:54:12,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:54:12,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:54:12,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:54:12,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:54:12,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:54:12,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:54:12,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:54:12,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:54:12,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:54:12,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:54:12,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:54:12,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:54:12,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:54:12,895 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:54:12,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:54:12,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:54:12,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:54:12,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:54:12,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:54:12,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:54:12,900 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:54:12,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:54:12,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:54:12,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:54:12,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:54:12,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:54:12,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:54:12,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:54:12,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:54:12,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:54:12,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:54:12,903 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:54:12,903 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:54:12,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:54:12,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:12,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:54:12,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:54:12,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:54:12,905 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:54:12,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:54:12,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:54:12,906 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_83059148-10da-483e-8e08-46d98c5ab16c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baeebe831189d0208212eeaf417b83dac95cdcd24131565645f78fcbd5cf583c [2021-11-23 00:54:13,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:54:13,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:54:13,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:54:13,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:54:13,213 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:54:13,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2021-11-23 00:54:13,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data/00a9ee889/6c1ab21f7fc949e48feedbc94467f6c3/FLAG6d4e739ab [2021-11-23 00:54:13,743 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:54:13,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2021-11-23 00:54:13,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data/00a9ee889/6c1ab21f7fc949e48feedbc94467f6c3/FLAG6d4e739ab [2021-11-23 00:54:14,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data/00a9ee889/6c1ab21f7fc949e48feedbc94467f6c3 [2021-11-23 00:54:14,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:54:14,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:54:14,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:14,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:54:14,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:54:14,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644ab443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14, skipping insertion in model container [2021-11-23 00:54:14,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:54:14,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:54:14,319 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_83059148-10da-483e-8e08-46d98c5ab16c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] [2021-11-23 00:54:14,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:14,350 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:54:14,361 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_83059148-10da-483e-8e08-46d98c5ab16c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] [2021-11-23 00:54:14,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:14,376 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:54:14,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14 WrapperNode [2021-11-23 00:54:14,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:14,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:14,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:54:14,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:54:14,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,417 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-11-23 00:54:14,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:14,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:54:14,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:54:14,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:54:14,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:54:14,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:54:14,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:54:14,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:54:14,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:14,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:54:14,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:54:14,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:54:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:54:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:54:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:54:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:54:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:54:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:54:14,639 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:54:14,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:54:14,792 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:54:14,805 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:54:14,805 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:54:14,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:14 BoogieIcfgContainer [2021-11-23 00:54:14,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:54:14,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:54:14,809 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:54:14,823 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:54:14,823 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:14" (1/1) ... [2021-11-23 00:54:14,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:54:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 00:54:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 00:54:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:54:14,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:14,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:15,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 00:54:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 00:54:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:54:15,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 00:54:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 00:54:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:54:15,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:54:15,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 00:54:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 00:54:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:54:15,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:15,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:15,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:54:15,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:16,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 00:54:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 00:54:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:16,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:16,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:16,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:54:16,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2021-11-23 00:54:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-11-23 00:54:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:17,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:17,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:17,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:54:17,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2021-11-23 00:54:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 00:54:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:18,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:18,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:18,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:54:18,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2021-11-23 00:54:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-11-23 00:54:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:18,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:18,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:18,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:54:18,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:20,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2021-11-23 00:54:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2021-11-23 00:54:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:20,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:20,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:20,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:54:20,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:54:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2021-11-23 00:54:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2021-11-23 00:54:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:21,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:21,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:21,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:54:21,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:54:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 107 transitions. [2021-11-23 00:54:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 107 transitions. [2021-11-23 00:54:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:22,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:22,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:22,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:54:22,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:22,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2021-11-23 00:54:22,990 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2021-11-23 00:54:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:22,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:22,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:23,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:54:23,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:54:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2021-11-23 00:54:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2021-11-23 00:54:23,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:23,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:23,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:23,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:54:23,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:54:25,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 121 transitions. [2021-11-23 00:54:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 121 transitions. [2021-11-23 00:54:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:25,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:25,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:25,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:54:25,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:25,953 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:54:26,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:26,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 122 transitions. [2021-11-23 00:54:26,634 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2021-11-23 00:54:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:26,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:26,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:26,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:54:26,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 70 states and 153 transitions. [2021-11-23 00:54:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 153 transitions. [2021-11-23 00:54:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:28,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:28,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:28,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:54:28,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:54:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 73 states and 156 transitions. [2021-11-23 00:54:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 156 transitions. [2021-11-23 00:54:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:30,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:54:30,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 73 states and 155 transitions. [2021-11-23 00:54:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 155 transitions. [2021-11-23 00:54:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:30,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:54:30,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:54:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2021-11-23 00:54:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2021-11-23 00:54:31,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:31,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:54:31,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2021-11-23 00:54:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2021-11-23 00:54:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:32,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:32,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:54:32,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:54:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 80 states and 174 transitions. [2021-11-23 00:54:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 174 transitions. [2021-11-23 00:54:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:35,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:35,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:35,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:54:35,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:54:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:36,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 177 transitions. [2021-11-23 00:54:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2021-11-23 00:54:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:36,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:36,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:37,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:54:37,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:54:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2021-11-23 00:54:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2021-11-23 00:54:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:38,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:38,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:38,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:54:38,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 93 states and 214 transitions. [2021-11-23 00:54:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2021-11-23 00:54:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:42,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:42,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:42,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:54:42,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:54:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2021-11-23 00:54:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2021-11-23 00:54:44,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:44,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:44,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:44,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:54:44,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:54:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 99 states and 220 transitions. [2021-11-23 00:54:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 220 transitions. [2021-11-23 00:54:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:47,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:47,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:47,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:54:47,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 99 states and 219 transitions. [2021-11-23 00:54:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 219 transitions. [2021-11-23 00:54:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:48,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:48,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:48,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:54:48,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:48,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 99 states and 218 transitions. [2021-11-23 00:54:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 218 transitions. [2021-11-23 00:54:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:54:48,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:48,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:48,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:54:48,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2021-11-23 00:54:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2021-11-23 00:54:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:54:49,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:49,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:49,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:54:49,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:54:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 103 states and 236 transitions. [2021-11-23 00:54:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 236 transitions. [2021-11-23 00:54:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:54:53,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:53,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:53,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:54:53,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:58,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 111 states and 277 transitions. [2021-11-23 00:54:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 277 transitions. [2021-11-23 00:54:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:54:58,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:58,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:58,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:54:58,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:55:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:01,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 114 states and 280 transitions. [2021-11-23 00:55:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 280 transitions. [2021-11-23 00:55:01,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:01,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:01,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:01,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:55:01,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:01,592 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:55:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 117 states and 284 transitions. [2021-11-23 00:55:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 284 transitions. [2021-11-23 00:55:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:05,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:05,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:06,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:55:06,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:55:09,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:09,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 119 states and 285 transitions. [2021-11-23 00:55:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 285 transitions. [2021-11-23 00:55:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:09,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:09,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:09,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 00:55:09,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 16 proven. 67 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 00:55:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 288 transitions. [2021-11-23 00:55:13,548 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 288 transitions. [2021-11-23 00:55:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:13,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:55:13,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:14,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 122 states and 287 transitions. [2021-11-23 00:55:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 287 transitions. [2021-11-23 00:55:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:14,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:55:14,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:55:19,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:19,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 125 states and 290 transitions. [2021-11-23 00:55:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 290 transitions. [2021-11-23 00:55:19,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:19,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:19,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:19,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:55:19,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:20,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 289 transitions. [2021-11-23 00:55:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 289 transitions. [2021-11-23 00:55:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:20,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:20,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:20,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:55:20,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:21,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:21,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2021-11-23 00:55:21,112 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2021-11-23 00:55:21,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:55:21,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:21,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:21,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:55:21,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2021-11-23 00:55:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2021-11-23 00:55:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:55:22,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:22,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:22,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:55:22,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 133 states and 330 transitions. [2021-11-23 00:55:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 330 transitions. [2021-11-23 00:55:28,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:55:28,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:28,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:29,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:55:29,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 14 proven. 91 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:55:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:39,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 137 states and 356 transitions. [2021-11-23 00:55:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 356 transitions. [2021-11-23 00:55:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:55:39,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:39,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:39,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:55:39,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 137 states and 355 transitions. [2021-11-23 00:55:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 355 transitions. [2021-11-23 00:55:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:55:40,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:40,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:41,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:55:41,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:55:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 139 states and 356 transitions. [2021-11-23 00:55:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 356 transitions. [2021-11-23 00:55:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:55:46,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:46,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:46,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:55:46,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 139 states and 355 transitions. [2021-11-23 00:55:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 355 transitions. [2021-11-23 00:55:47,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:55:47,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:47,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:47,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:55:47,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:55:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 142 states and 358 transitions. [2021-11-23 00:55:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 358 transitions. [2021-11-23 00:55:54,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:55:54,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:54,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:54,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 00:55:54,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 16 proven. 98 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:56:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 145 states and 361 transitions. [2021-11-23 00:56:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 361 transitions. [2021-11-23 00:56:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:56:00,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:00,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:56:00,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:56:06,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 148 states and 364 transitions. [2021-11-23 00:56:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 364 transitions. [2021-11-23 00:56:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:56:06,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:06,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:07,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:56:07,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 14 proven. 91 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:56:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 151 states and 367 transitions. [2021-11-23 00:56:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 367 transitions. [2021-11-23 00:56:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:56:16,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:16,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:16,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:56:16,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:56:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 154 states and 370 transitions. [2021-11-23 00:56:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 370 transitions. [2021-11-23 00:56:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:56:24,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:24,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:24,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:56:24,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:25,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:25,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 154 states and 369 transitions. [2021-11-23 00:56:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 369 transitions. [2021-11-23 00:56:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:56:25,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:25,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:25,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:56:25,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 154 states and 368 transitions. [2021-11-23 00:56:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 368 transitions. [2021-11-23 00:56:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:56:26,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:26,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:26,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:56:26,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 154 states and 367 transitions. [2021-11-23 00:56:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 367 transitions. [2021-11-23 00:56:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:28,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:28,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:28,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:56:28,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:56:42,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 158 states and 392 transitions. [2021-11-23 00:56:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 392 transitions. [2021-11-23 00:56:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:42,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:42,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:43,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 00:56:43,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:56:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 26 proven. 129 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 00:57:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:02,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 161 states and 395 transitions. [2021-11-23 00:57:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 395 transitions. [2021-11-23 00:57:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:57:02,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:02,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:02,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:57:02,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:57:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 164 states and 399 transitions. [2021-11-23 00:57:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 399 transitions. [2021-11-23 00:57:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:57:16,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:16,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:16,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:57:16,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 172 states and 450 transitions. [2021-11-23 00:57:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 450 transitions. [2021-11-23 00:57:33,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:57:33,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:33,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:33,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:57:33,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:57:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 174 states and 451 transitions. [2021-11-23 00:57:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 451 transitions. [2021-11-23 00:57:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:57:46,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:46,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:46,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:57:46,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:48,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 174 states and 450 transitions. [2021-11-23 00:57:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 450 transitions. [2021-11-23 00:57:48,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:57:48,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:48,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:48,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:57:48,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:57:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:58:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 177 states and 453 transitions. [2021-11-23 00:58:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 453 transitions. [2021-11-23 00:58:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:58:00,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:00,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:00,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:58:00,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:02,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 177 states and 452 transitions. [2021-11-23 00:58:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 452 transitions. [2021-11-23 00:58:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:58:02,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:02,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:02,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:58:02,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 18 proven. 131 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-23 00:58:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 180 states and 455 transitions. [2021-11-23 00:58:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 455 transitions. [2021-11-23 00:58:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:58:20,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:20,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:21,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:58:21,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:03:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 183 states and 458 transitions. [2021-11-23 01:03:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 458 transitions. [2021-11-23 01:03:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:03:40,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:40,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:40,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:03:40,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:03:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 186 states and 461 transitions. [2021-11-23 01:03:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 461 transitions. [2021-11-23 01:03:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:03:52,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:03:52,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 186 states and 460 transitions. [2021-11-23 01:03:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 460 transitions. [2021-11-23 01:03:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:03:54,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:03:54,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:56,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:56,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 186 states and 459 transitions. [2021-11-23 01:03:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 459 transitions. [2021-11-23 01:03:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:03:56,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:56,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:56,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:03:56,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 186 states and 458 transitions. [2021-11-23 01:03:59,040 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 458 transitions. [2021-11-23 01:03:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:03:59,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:03:59,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 186 states and 457 transitions. [2021-11-23 01:04:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 457 transitions. [2021-11-23 01:04:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:04:01,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:02,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:04:02,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:12,534 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-23 01:07:12,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2021-11-23 01:07:12,535 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:07:12,539 INFO L158 Benchmark]: Toolchain (without parser) took 778429.99ms. Allocated memory was 96.5MB in the beginning and 383.8MB in the end (delta: 287.3MB). Free memory was 63.4MB in the beginning and 120.7MB in the end (delta: -57.3MB). Peak memory consumption was 228.9MB. Max. memory is 16.1GB. [2021-11-23 01:07:12,539 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:12,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.50ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 63.1MB in the beginning and 100.7MB in the end (delta: -37.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:07:12,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.81ms. Allocated memory is still 125.8MB. Free memory was 100.7MB in the beginning and 99.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:12,541 INFO L158 Benchmark]: Boogie Preprocessor took 43.93ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 98.6MB in the end (delta: 706.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:12,542 INFO L158 Benchmark]: RCFGBuilder took 344.43ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 88.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:07:12,543 INFO L158 Benchmark]: CodeCheck took 777729.03ms. Allocated memory was 125.8MB in the beginning and 383.8MB in the end (delta: 257.9MB). Free memory was 88.9MB in the beginning and 120.7MB in the end (delta: -31.8MB). Peak memory consumption was 227.5MB. Max. memory is 16.1GB. [2021-11-23 01:07:12,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:149) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.50ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 63.1MB in the beginning and 100.7MB in the end (delta: -37.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.81ms. Allocated memory is still 125.8MB. Free memory was 100.7MB in the beginning and 99.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.93ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 98.6MB in the end (delta: 706.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.43ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 88.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 777729.03ms. Allocated memory was 125.8MB in the beginning and 383.8MB in the end (delta: 257.9MB). Free memory was 88.9MB in the beginning and 120.7MB in the end (delta: -31.8MB). Peak memory consumption was 227.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/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_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/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 baeebe831189d0208212eeaf417b83dac95cdcd24131565645f78fcbd5cf583c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:07:14,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:07:14,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:07:14,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:07:14,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:07:14,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:07:14,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:07:14,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:07:14,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:07:14,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:07:14,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:07:14,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:07:14,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:07:14,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:07:14,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:07:14,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:07:14,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:07:14,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:07:14,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:07:14,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:07:14,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:07:14,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:07:14,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:07:14,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:07:14,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:07:14,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:07:14,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:07:14,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:07:14,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:07:14,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:07:14,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:07:15,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:07:15,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:07:15,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:07:15,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:07:15,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:07:15,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:07:15,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:07:15,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:07:15,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:07:15,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:07:15,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:07:15,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:07:15,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:07:15,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:07:15,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:07:15,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:07:15,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:07:15,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:07:15,062 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:07:15,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:07:15,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:07:15,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:07:15,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:07:15,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:07:15,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:07:15,064 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:07:15,065 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:07:15,065 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:07:15,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:07:15,065 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:07:15,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:07:15,066 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:07:15,066 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:07:15,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:07:15,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:07:15,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:07:15,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:07:15,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:07:15,067 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:07:15,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:07:15,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:07:15,068 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:07:15,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:07:15,069 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_83059148-10da-483e-8e08-46d98c5ab16c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baeebe831189d0208212eeaf417b83dac95cdcd24131565645f78fcbd5cf583c [2021-11-23 01:07:15,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:07:15,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:07:15,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:07:15,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:07:15,483 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:07:15,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2021-11-23 01:07:15,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data/c5d2c2b34/2f572902cf0d4e049a177dc5c7389b18/FLAG901b0152b [2021-11-23 01:07:16,181 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:07:16,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2021-11-23 01:07:16,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data/c5d2c2b34/2f572902cf0d4e049a177dc5c7389b18/FLAG901b0152b [2021-11-23 01:07:16,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/data/c5d2c2b34/2f572902cf0d4e049a177dc5c7389b18 [2021-11-23 01:07:16,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:07:16,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:07:16,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:07:16,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:07:16,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:07:16,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ee7f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16, skipping insertion in model container [2021-11-23 01:07:16,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:07:16,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:07:16,670 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_83059148-10da-483e-8e08-46d98c5ab16c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] [2021-11-23 01:07:16,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:07:16,699 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:07:16,713 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_83059148-10da-483e-8e08-46d98c5ab16c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] [2021-11-23 01:07:16,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:07:16,734 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:07:16,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16 WrapperNode [2021-11-23 01:07:16,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:07:16,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:07:16,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:07:16,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:07:16,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,772 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2021-11-23 01:07:16,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:07:16,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:07:16,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:07:16,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:07:16,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:07:16,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:07:16,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:07:16,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:07:16,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:16" (1/1) ... [2021-11-23 01:07:16,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:07:16,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:07:16,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:07:16,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:07:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:07:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:07:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:07:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:07:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:07:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:07:17,022 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:07:17,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:07:17,285 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:07:17,312 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:07:17,312 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:07:17,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:17 BoogieIcfgContainer [2021-11-23 01:07:17,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:07:17,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:07:17,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:07:17,330 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:07:17,340 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:17" (1/1) ... [2021-11-23 01:07:17,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:07:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 01:07:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 01:07:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:07:17,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:17,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:17,503 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:07:17,511 INFO L158 Benchmark]: Toolchain (without parser) took 1041.66ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 39.3MB in the end (delta: 10.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,512 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:17,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.10ms. Allocated memory is still 67.1MB. Free memory was 49.4MB in the beginning and 39.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.96ms. Allocated memory is still 67.1MB. Free memory was 39.0MB in the beginning and 37.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,517 INFO L158 Benchmark]: Boogie Preprocessor took 26.66ms. Allocated memory is still 67.1MB. Free memory was 37.5MB in the beginning and 36.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:07:17,518 INFO L158 Benchmark]: RCFGBuilder took 516.95ms. Allocated memory is still 67.1MB. Free memory was 36.2MB in the beginning and 45.5MB in the end (delta: -9.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,520 INFO L158 Benchmark]: CodeCheck took 188.79ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 39.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:07:17,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.10ms. Allocated memory is still 67.1MB. Free memory was 49.4MB in the beginning and 39.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.96ms. Allocated memory is still 67.1MB. Free memory was 39.0MB in the beginning and 37.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.66ms. Allocated memory is still 67.1MB. Free memory was 37.5MB in the beginning and 36.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.95ms. Allocated memory is still 67.1MB. Free memory was 36.2MB in the beginning and 45.5MB in the end (delta: -9.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * CodeCheck took 188.79ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 39.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:07:17,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83059148-10da-483e-8e08-46d98c5ab16c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared