./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.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_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/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_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/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_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/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 d595e0b228746847d9dabc7c760eaa3ac94c8aaf9bd34f9a8b7d736cd526ed4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:34:22,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:34:22,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:34:22,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:34:22,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:34:22,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:34:22,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:34:22,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:34:22,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:34:22,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:34:22,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:34:22,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:34:22,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:34:22,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:34:22,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:34:22,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:34:22,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:34:22,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:34:22,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:34:22,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:34:22,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:34:22,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:34:22,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:34:22,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:34:22,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:34:22,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:34:22,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:34:22,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:34:22,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:34:22,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:34:22,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:34:22,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:34:22,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:34:22,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:34:22,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:34:22,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:34:22,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:34:22,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:34:22,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:34:22,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:34:22,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:34:22,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:34:22,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:34:22,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:34:22,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:34:22,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:34:22,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:34:22,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:34:22,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:34:22,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:34:22,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:34:22,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:34:22,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:34:22,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:34:22,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:34:22,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:34:22,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:34:22,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:34:22,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:34:22,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:34:22,244 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:34:22,244 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:34:22,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:34:22,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:22,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:34:22,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:34:22,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:34:22,245 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:34:22,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:34:22,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:34:22,246 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_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d595e0b228746847d9dabc7c760eaa3ac94c8aaf9bd34f9a8b7d736cd526ed4a [2021-11-23 01:34:22,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:34:22,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:34:22,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:34:22,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:34:22,578 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:34:22,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2021-11-23 01:34:22,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/data/18801d734/85f11cb6e9ab440aa1755e3a16cdbde1/FLAG587eb55be [2021-11-23 01:34:23,114 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:34:23,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2021-11-23 01:34:23,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/data/18801d734/85f11cb6e9ab440aa1755e3a16cdbde1/FLAG587eb55be [2021-11-23 01:34:23,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/data/18801d734/85f11cb6e9ab440aa1755e3a16cdbde1 [2021-11-23 01:34:23,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:34:23,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:34:23,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:23,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:34:23,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:34:23,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fda988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23, skipping insertion in model container [2021-11-23 01:34:23,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:34:23,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:34:23,718 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_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2021-11-23 01:34:23,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:23,749 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:34:23,765 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_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2021-11-23 01:34:23,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:23,799 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:34:23,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23 WrapperNode [2021-11-23 01:34:23,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:23,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:23,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:34:23,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:34:23,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,841 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-23 01:34:23,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:23,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:34:23,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:34:23,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:34:23,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:34:23,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:34:23,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:34:23,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:34:23,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:23" (1/1) ... [2021-11-23 01:34:23,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:23,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:34:23,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:34:23,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204c8ac4-a9d9-44e0-968f-b9e7a0e8a486/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:34:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:34:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:34:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:34:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:34:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:34:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:34:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:34:23,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:34:24,050 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:34:24,052 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:34:24,165 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:34:24,185 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:34:24,185 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:34:24,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:24 BoogieIcfgContainer [2021-11-23 01:34:24,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:34:24,189 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:34:24,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:34:24,199 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:34:24,200 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:24" (1/1) ... [2021-11-23 01:34:24,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:34:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-23 01:34:24,268 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-23 01:34:24,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:34:24,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:24,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:24,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:34:24,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:34:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-23 01:34:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-23 01:34:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:34:24,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:24,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:24,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:34:24,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:34:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-23 01:34:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-23 01:34:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:34:25,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:25,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:25,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:34:25,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:25,700 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:34:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:34:30,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:34:41,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:34:41,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 47 transitions. [2021-11-23 01:34:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-23 01:34:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:41,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:41,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:41,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:34:41,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:42,045 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:34:42,050 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:34:42,056 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:34:47,000 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:35:17,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:35:27,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:37:03,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:37:13,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:37:23,656 WARN L534 Checker$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 01:37:33,674 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 01:37:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:37:33,720 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:37:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:37:33,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:33,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:33,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:37:33,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:33,923 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:37:33,927 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:37:33,937 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:37:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:37:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:37:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:37:39,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:39,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:39,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:37:39,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:39,912 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:37:39,916 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:37:39,921 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:37:52,116 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 01:38:02,160 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 01:38:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:38:02,293 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:38:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:38:02,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:38:02,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:02,483 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:02,486 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:02,490 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:15,492 WARN L227 SmtUtils]: Spent 10.03s 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 01:38:25,511 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 01:38:35,525 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:38:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:38:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:38:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:38:35,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:35,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:35,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:38:35,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:35,793 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:35,796 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:35,799 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:40,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:38:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:38:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:38:40,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:40,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:40,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:38:40,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:38:40,224 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:40,226 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:40,230 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:38:55,065 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 01:39:05,091 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:39:15,101 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 01:39:25,130 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:39:35,138 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 01:39:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:39:35,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:39:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:39:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:39:35,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:35,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:35,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:39:35,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:35,392 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:35,394 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:35,397 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:48,058 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 01:39:48,410 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:39:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:39:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:39:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:39:48,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:48,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:48,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:39:48,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:48,586 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:48,588 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:48,590 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:39:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:39:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:39:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:39:51,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:51,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:51,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:39:51,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:51,794 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:51,796 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:51,799 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:39:58,500 WARN L227 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:40:08,621 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 01:40:18,657 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 01:40:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:40:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:40:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:40:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:40:19,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:19,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:19,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:40:19,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:19,221 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:40:19,224 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:40:19,227 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:40:32,307 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 01:40:42,352 WARN L227 SmtUtils]: Spent 10.04s 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 01:40:52,369 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:40:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:40:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:40:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:40:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:40:52,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:52,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:52,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:40:52,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:52,640 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:40:52,642 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:40:52,645 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:41:03,769 WARN L227 SmtUtils]: Spent 10.03s 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 01:41:13,840 WARN L227 SmtUtils]: Spent 10.04s 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 01:41:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:41:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:41:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:13,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:13,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:13,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:41:13,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:14,144 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:41:14,146 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:41:14,149 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:41:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:41:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:41:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:18,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:18,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:18,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:41:18,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:18,902 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:41:18,908 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:41:18,911 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:41:30,659 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 01:41:40,675 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 01:41:50,685 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:42:05,109 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 01:42:15,127 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:42:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:42:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:42:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:42:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:42:15,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:15,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:15,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:42:15,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:15,418 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:15,420 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:15,423 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:42:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:42:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:42:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:42:19,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:19,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:19,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:42:19,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:19,678 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:19,680 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:19,683 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:42:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:42:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:42:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:42:23,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:23,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:23,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:42:23,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:23,676 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:23,678 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:23,682 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:38,529 WARN L227 SmtUtils]: Spent 10.02s 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 01:42:44,363 WARN L227 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 13 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:42:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:42:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:42:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:42:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:42:44,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:44,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:44,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:42:44,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:44,856 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:44,858 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:44,861 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:59,443 WARN L227 SmtUtils]: Spent 10.04s 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 01:42:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:42:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:59,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:42:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:42:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:42:59,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:59,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:59,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:42:59,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:42:59,970 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:59,971 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:42:59,974 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:15,569 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 01:43:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:43:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:15,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:43:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:43:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:43:15,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:15,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:15,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:43:15,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:15,997 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:15,998 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:16,001 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:43:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:43:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:43:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:43:19,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:19,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:19,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:43:19,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:19,908 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:19,910 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:19,913 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:43:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:43:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:43:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:43:26,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:26,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:26,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:43:26,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:26,923 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:26,926 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:26,929 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:43:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:43:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:43:27,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:43:27,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:27,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:27,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:43:27,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:27,910 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:27,911 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:27,913 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:40,431 WARN L227 SmtUtils]: Spent 10.02s 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 01:43:50,461 WARN L227 SmtUtils]: Spent 10.02s 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 01:43:58,647 WARN L227 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:43:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:43:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:43:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:43:58,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:43:58,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:58,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:58,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:43:58,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:58,973 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:58,975 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:43:58,981 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:44:11,133 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 01:44:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:44:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:44:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:44:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:44:11,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:11,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:11,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:44:11,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:13,632 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:44:13,633 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:44:13,636 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:44:26,759 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 01:44:36,776 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:44:46,785 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 01:44:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:44:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:44:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:44:46,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:44:46,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:46,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:46,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:44:46,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:47,102 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:44:47,104 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:44:47,107 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:44:54,108 WARN L227 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:45:04,454 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 01:45:14,497 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 01:45:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:45:14,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:45:14,620 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:45:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:14,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:14,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:14,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:45:14,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:14,766 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:14,767 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:14,769 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:45:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:20,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:45:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:45:20,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:20,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:20,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:20,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:45:20,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:20,669 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:20,671 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:20,673 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:31,952 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 01:45:42,155 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 01:45:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:45:42,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:45:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:45:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:42,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:42,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:42,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:45:42,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:42,437 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:42,439 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:42,441 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:55,906 WARN L227 SmtUtils]: Spent 10.26s 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 01:45:56,098 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:45:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:45:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:45:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:45:56,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:56,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:45:56,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:56,238 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:56,239 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:45:56,241 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:11,284 WARN L227 SmtUtils]: Spent 10.05s 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 01:46:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:46:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:46:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:46:11,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:11,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:11,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:46:11,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,641 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:11,643 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:11,645 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:22,300 WARN L227 SmtUtils]: Spent 10.04s 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 01:46:32,344 WARN L227 SmtUtils]: Spent 10.03s 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 01:46:42,373 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:46:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:42,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:42,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:46:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:46:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:46:42,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:42,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:42,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:46:42,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:42,977 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:42,979 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:42,981 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:46:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:46:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:46:45,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:45,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:45,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:46:45,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:45,418 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:45,419 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:45,422 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:46:53,004 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:46:53,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:46:53,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:53,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:53,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:46:53,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:53,182 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:53,184 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:53,187 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:46:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:46:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:46:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:46:57,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:57,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:57,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:46:57,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:57,542 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:57,544 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:46:57,545 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:11,375 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 01:47:11,528 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:11,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:47:11,537 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:47:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:11,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:11,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:11,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:47:11,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:11,661 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:11,662 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:11,664 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:24,068 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 01:47:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:24,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:47:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:47:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:24,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:24,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:24,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:47:24,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:24,363 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:24,364 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:24,366 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:26,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:47:26,601 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:47:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:26,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:26,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:26,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:47:26,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:26,760 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:26,761 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:26,763 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:38,833 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 01:47:48,918 WARN L227 SmtUtils]: Spent 10.07s 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 01:47:58,942 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:47:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:47:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:47:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:47:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:47:59,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:59,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:59,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:47:59,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:59,832 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:59,834 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:47:59,840 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:48:03,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:48:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:48:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:48:03,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:03,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:03,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:48:03,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:04,026 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:04,027 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:04,029 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:48:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:48:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:48:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:48:05,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:05,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:05,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:48:05,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:05,624 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:05,626 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:05,629 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:17,735 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 01:48:27,792 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 01:48:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:48:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:48:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:48:28,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:48:28,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:28,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:28,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:48:28,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:28,196 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:28,197 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:28,199 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:48:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:48:30,147 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:48:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:48:30,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:30,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:30,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:48:30,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:30,284 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:30,285 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:30,287 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:48:34,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:48:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:48:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:48:34,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:34,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:34,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:48:34,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:34,980 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:34,982 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:34,984 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:48:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:48:44,555 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:48:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:48:44,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:44,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:44,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:48:44,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:44,681 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:44,682 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:44,684 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:48:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 54 transitions. [2021-11-23 01:48:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:48:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:48:48,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:48,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:48,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:48:48,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:48,826 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:48,828 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:48:48,829 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful