./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.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_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/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_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/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_dd89d78b-3107-4349-a9da-39ce601ba850/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 76a219f1c64e889b9539a62cf30988094d07e133bf7ccaa4e013534e44709a48 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:27:32,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:27:32,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:27:32,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:27:32,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:27:32,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:27:32,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:27:32,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:27:32,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:27:32,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:27:32,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:27:32,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:27:32,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:27:32,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:27:32,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:27:32,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:27:32,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:27:32,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:27:32,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:27:32,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:27:32,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:27:32,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:27:32,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:27:32,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:27:32,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:27:32,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:27:32,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:27:32,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:27:32,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:27:32,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:27:32,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:27:32,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:27:32,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:27:32,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:27:32,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:27:32,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:27:32,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:27:32,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:27:32,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:27:32,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:27:32,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:27:32,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:27:32,642 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:27:32,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:27:32,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:27:32,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:27:32,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:27:32,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:27:32,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:27:32,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:27:32,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:27:32,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:27:32,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:27:32,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:27:32,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:27:32,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:27:32,656 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:27:32,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:27:32,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:27:32,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:27:32,657 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:27:32,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:27:32,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:27:32,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:27:32,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:27:32,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:27:32,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:27:32,658 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:27:32,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:27:32,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:27:32,659 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_dd89d78b-3107-4349-a9da-39ce601ba850/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76a219f1c64e889b9539a62cf30988094d07e133bf7ccaa4e013534e44709a48 [2021-11-23 00:27:32,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:27:32,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:27:32,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:27:32,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:27:32,930 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:27:32,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c [2021-11-23 00:27:33,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/data/ef5612791/1bda3d5f3b9944ff999382eed7d68f81/FLAG01cbad024 [2021-11-23 00:27:33,427 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:27:33,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c [2021-11-23 00:27:33,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/data/ef5612791/1bda3d5f3b9944ff999382eed7d68f81/FLAG01cbad024 [2021-11-23 00:27:33,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/data/ef5612791/1bda3d5f3b9944ff999382eed7d68f81 [2021-11-23 00:27:33,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:27:33,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:27:33,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:27:33,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:27:33,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:27:33,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:33" (1/1) ... [2021-11-23 00:27:33,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eceddca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:33, skipping insertion in model container [2021-11-23 00:27:33,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:33" (1/1) ... [2021-11-23 00:27:33,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:27:33,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:27:34,026 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_dd89d78b-3107-4349-a9da-39ce601ba850/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c[525,538] [2021-11-23 00:27:34,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:27:34,084 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:27:34,096 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_dd89d78b-3107-4349-a9da-39ce601ba850/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c[525,538] [2021-11-23 00:27:34,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:27:34,112 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:27:34,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34 WrapperNode [2021-11-23 00:27:34,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:27:34,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:27:34,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:27:34,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:27:34,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,143 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 00:27:34,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:27:34,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:27:34,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:27:34,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:27:34,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:27:34,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:27:34,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:27:34,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:27:34,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:27:34,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:27:34,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:27:34,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd89d78b-3107-4349-a9da-39ce601ba850/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:27:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:27:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:27:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:27:34,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:27:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:27:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:27:34,302 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:27:34,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:27:34,406 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:27:34,419 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:27:34,419 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:27:34,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:34 BoogieIcfgContainer [2021-11-23 00:27:34,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:27:34,423 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:27:34,423 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:27:34,433 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:27:34,433 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:34" (1/1) ... [2021-11-23 00:27:34,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:27:34,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 00:27:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 00:27:34,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:27:34,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:34,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:34,671 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 00:27:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 00:27:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 00:27:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:27:34,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:34,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:34,746 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 00:27:34,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:34,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 00:27:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 00:27:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:27:34,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:34,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:34,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:27:34,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:35,068 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 00:27:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 00:27:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 00:27:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:27:35,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:35,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:35,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:27:35,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:35,506 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 00:27:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 00:27:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 00:27:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:27:35,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:35,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:35,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:27:35,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:36,108 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:27:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:47,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:27:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-23 00:27:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-23 00:27:50,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:27:50,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:50,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:50,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:27:50,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:50,542 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 00:27:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2021-11-23 00:27:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2021-11-23 00:27:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:27:51,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:51,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:51,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:27:51,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:51,738 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:27:51,741 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:27:51,746 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:27:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:30,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:28:40,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:29:39,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:29:46,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:29:50,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:29:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 40 states and 84 transitions. [2021-11-23 00:29:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 84 transitions. [2021-11-23 00:29:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:29:50,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:50,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:50,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:29:50,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:29:50,165 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:29:50,168 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:29:50,176 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:29:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:30:22,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:30:32,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:30:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 86 transitions. [2021-11-23 00:30:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 86 transitions. [2021-11-23 00:30:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:30:54,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:54,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:54,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:30:54,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:30:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:19,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:31:21,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:31:31,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:31:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 50 states and 115 transitions. [2021-11-23 00:31:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 115 transitions. [2021-11-23 00:31:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:33,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:33,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:33,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:31:33,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:31:33,246 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:31:33,251 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:31:33,255 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:31:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:32:15,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:32:25,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:32:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 121 transitions. [2021-11-23 00:32:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 121 transitions. [2021-11-23 00:32:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:32:41,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:41,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:41,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:32:41,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:41,238 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:32:41,241 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:32:41,246 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:32:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:32:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 121 transitions. [2021-11-23 00:32:50,762 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 121 transitions. [2021-11-23 00:32:50,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:32:50,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:50,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:50,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:32:50,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:32:50,834 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:32:50,837 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:32:50,850 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:33:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:33:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 121 transitions. [2021-11-23 00:33:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 121 transitions. [2021-11-23 00:33:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:00,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:00,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:00,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:33:00,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:00,831 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:33:00,833 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:33:00,836 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:33:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:33:06,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 121 transitions. [2021-11-23 00:33:06,257 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 121 transitions. [2021-11-23 00:33:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:06,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:06,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:06,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:33:06,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:06,333 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:33:06,335 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:33:06,347 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:33:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:33:17,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 121 transitions. [2021-11-23 00:33:17,453 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 121 transitions. [2021-11-23 00:33:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:17,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:17,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:17,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:33:17,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:33:17,540 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 00:36:40,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:36:49,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:36:52,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:02,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:12,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:22,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 54 states and 125 transitions. [2021-11-23 00:37:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 125 transitions. [2021-11-23 00:37:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:22,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:22,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:22,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:37:22,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:22,476 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:22,479 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:22,482 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 54 states and 125 transitions. [2021-11-23 00:37:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 125 transitions. [2021-11-23 00:37:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:30,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:30,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:30,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:37:30,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:30,813 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:30,817 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:30,821 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:36,014 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 54 states and 125 transitions. [2021-11-23 00:37:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 125 transitions. [2021-11-23 00:37:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:36,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:36,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:36,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:37:36,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:36,126 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 00:37:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:37:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:37:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:37,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:37,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:37,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:37:37,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:37,381 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:37,384 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:37,388 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:37:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:37:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:38,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:37:38,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:38,533 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:38,536 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:38,539 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:37:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:37:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:37:48,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:48,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:37:48,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:48,857 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:48,859 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:37:48,864 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:07,722 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:38:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:38:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:38:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:07,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:07,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:38:07,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:07,929 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:07,932 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:07,936 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:38:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:38:14,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:14,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:14,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:14,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:38:14,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:14,228 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:14,237 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:14,242 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:15,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:38:15,758 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:38:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:15,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:15,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:15,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:38:15,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:15,827 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:15,829 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:15,832 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:21,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:38:21,123 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:38:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:21,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:21,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:21,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:38:21,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:21,187 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:21,189 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:21,192 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:38:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:38:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:28,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:28,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:38:28,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:28,970 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:28,972 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:28,974 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:38:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:38:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:40,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:40,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:40,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:38:40,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:40,281 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:40,282 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:40,285 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:51,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:38:51,303 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:38:51,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:51,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:51,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:51,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:38:51,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:51,388 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:51,390 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:51,394 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:38:57,538 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:38:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:57,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:57,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:57,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:38:57,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:57,613 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:57,615 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:38:57,619 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:39:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:39:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:39:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:39:02,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:02,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:02,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:39:02,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:02,858 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:02,859 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:02,862 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:39:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 54 states and 124 transitions. [2021-11-23 00:39:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 124 transitions. [2021-11-23 00:39:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:39:08,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:08,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:08,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:39:08,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:08,356 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 00:39:30,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:39:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:39:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:39:30,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:30,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:30,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:39:30,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:30,728 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:30,731 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:30,733 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:39:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:39:40,284 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:39:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:39:40,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:40,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:40,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:39:40,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:40,347 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:40,354 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:40,358 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:39:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:39:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:39:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:39:52,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:52,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:52,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:39:52,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:52,608 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:52,610 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:39:52,613 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:40:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:40:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:03,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:03,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:03,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:40:03,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:03,234 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:03,237 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:03,240 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:40:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:40:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:08,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:08,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:08,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:40:08,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:08,246 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:08,247 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:08,250 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:40:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:40:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:14,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:14,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:14,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:40:14,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:14,854 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:14,856 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:14,858 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:30,208 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:40:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:40:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:40:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:30,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:30,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:30,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:40:30,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:30,592 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:30,594 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:30,596 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:37,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:40:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:40:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:37,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:37,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:37,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:40:37,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:37,198 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:37,200 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:37,203 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:40:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:40:48,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:48,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:48,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:48,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:40:48,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:48,727 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:48,729 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:48,733 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:50,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:50,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:40:50,166 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:40:50,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:50,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:50,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:50,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:40:50,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:50,230 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:50,232 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:40:50,233 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:01,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:41:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:41:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:01,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:01,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:01,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:41:01,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:01,765 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:01,767 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:01,770 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:13,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:13,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:41:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:41:13,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:13,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:13,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:13,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:41:13,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:13,222 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:13,224 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:13,226 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:41:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:41:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:23,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:23,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:23,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:41:23,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:23,135 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:23,137 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:23,138 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:41:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:41:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:28,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:28,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:28,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:41:28,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:28,407 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:28,408 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:28,410 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:33,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:41:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:41:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:33,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:33,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:34,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:41:34,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:34,038 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:34,040 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:34,043 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:45,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:45,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:41:45,655 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:41:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:45,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:45,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:45,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:41:45,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:45,716 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:45,718 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:45,720 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:41:57,044 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:41:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:57,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:57,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:57,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:41:57,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:57,105 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:57,106 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:41:57,108 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:42:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:42:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 127 transitions. [2021-11-23 00:42:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 127 transitions. [2021-11-23 00:42:02,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:42:02,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:02,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:02,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:42:02,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:02,593 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:42:02,595 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:42:02,598 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful