./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak --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 5c6c8efd3c23aeed344285746c5403115bb5830e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak --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 5c6c8efd3c23aeed344285746c5403115bb5830e .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:38:31,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:38:31,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:38:31,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:38:31,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:38:31,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:38:31,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:38:31,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:38:31,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:38:31,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:38:31,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:38:31,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:38:31,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:38:31,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:38:31,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:38:31,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:38:31,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:38:31,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:38:31,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:38:31,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:38:31,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:38:31,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:38:31,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:38:31,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:38:31,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:38:31,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:38:31,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:38:31,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:38:31,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:38:31,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:38:31,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:38:31,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:38:31,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:38:31,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:38:31,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:38:31,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:38:31,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:38:31,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:38:31,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:38:31,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:38:31,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:38:31,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 23:38:31,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:38:31,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:38:31,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:38:31,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:38:31,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:38:31,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:38:31,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:38:31,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:38:31,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:38:31,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:38:31,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:38:31,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:38:31,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:38:31,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:38:31,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:38:31,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:38:31,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:38:31,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:38:31,284 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:38:31,285 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:38:31,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:38:31,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:38:31,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:38:31,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:38:31,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:38:31,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:38:31,286 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:38:31,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:38:31,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:38:31,287 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-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c6c8efd3c23aeed344285746c5403115bb5830e [2020-11-29 23:38:31,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:38:31,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:38:31,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:38:31,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:38:31,592 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:38:31,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2020-11-29 23:38:31,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data/c2855f7d4/71a76fd0534447bba33cd5459e0cd1b9/FLAG923b49472 [2020-11-29 23:38:32,250 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:38:32,251 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2020-11-29 23:38:32,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data/c2855f7d4/71a76fd0534447bba33cd5459e0cd1b9/FLAG923b49472 [2020-11-29 23:38:32,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data/c2855f7d4/71a76fd0534447bba33cd5459e0cd1b9 [2020-11-29 23:38:32,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:38:32,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:38:32,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:38:32,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:38:32,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:38:32,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6673e28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32, skipping insertion in model container [2020-11-29 23:38:32,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:38:32,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:38:32,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:38:32,853 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:38:32,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:38:32,908 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:38:32,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32 WrapperNode [2020-11-29 23:38:32,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:38:32,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:38:32,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:38:32,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:38:32,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:38:32,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:38:32,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:38:32,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:38:32,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... [2020-11-29 23:38:32,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:38:32,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:38:32,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:38:32,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:38:32,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:38:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:38:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:38:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:38:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:38:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:38:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-29 23:38:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-29 23:38:33,639 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:38:33,640 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:38:33,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:38:33 BoogieIcfgContainer [2020-11-29 23:38:33,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:38:33,645 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:38:33,645 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:38:33,656 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:38:33,656 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:38:33" (1/1) ... [2020-11-29 23:38:33,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:38:33,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2020-11-29 23:38:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2020-11-29 23:38:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:38:33,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2020-11-29 23:38:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2020-11-29 23:38:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 23:38:33,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:33,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:38:33,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:38:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2020-11-29 23:38:34,079 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2020-11-29 23:38:34,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 23:38:34,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:34,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 23:38:34,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:38:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:34,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2020-11-29 23:38:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2020-11-29 23:38:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:38:34,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:34,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:38:34,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:38:35,684 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:38:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:38:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:38:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2020-11-29 23:38:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2020-11-29 23:38:57,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:38:57,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:38:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:38:57,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 23:38:57,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:38:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:39:02,991 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 23:39:14,438 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-29 23:39:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:39:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2020-11-29 23:39:32,869 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2020-11-29 23:39:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:39:32,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:39:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:39:32,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:39:32,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:39:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:11,766 WARN L193 SmtUtils]: Spent 36.41 s on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2020-11-29 23:41:21,872 WARN L860 $PredicateComparison]: unable to prove that (not (and (<= c_~counter~0 1) (not (= c_ULTIMATE.start_main_~y~0 0)) (= (+ (* 6 (* c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0)) (* 10 (* c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0)) (* 15 (* c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0 c_ULTIMATE.start_main_~y~0))) (+ c_ULTIMATE.start_main_~y~0 (* 30 c_ULTIMATE.start_main_~x~0))))) is different from true [2020-11-29 23:41:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2020-11-29 23:41:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2020-11-29 23:41:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:52,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:52,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:52,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:53,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:53,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:53,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:54,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:54,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:54,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:54,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:54,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:54,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:54,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:54,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:54,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:54,440 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:54,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:54,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:54,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:54,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:54,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:54,718 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:54,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:54,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:54,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:54,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:54,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:54,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:54,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:54,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:55,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:55,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:55,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:55,205 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:55,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:55,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:55,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:55,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:55,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:55,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:55,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:55,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:55,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:55,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:56,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:56,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:56,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:56,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:56,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:56,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:56,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:56,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:56,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:56,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:56,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:56,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:56,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:56,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:56,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:56,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:56,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:56,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:56,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:56,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:56,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:56,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:56,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:57,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:57,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:57,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:57,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:57,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:57,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:57,487 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:57,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:57,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:57,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:57,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:58,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:58,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:58,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:58,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:58,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:58,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:58,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:58,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:58,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:58,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:58,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:58,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:58,801 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:58,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:58,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:58,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:41:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:41:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:41:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:41:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:41:59,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:41:59,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:41:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:41:59,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:41:59,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:00,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:00,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:00,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:00,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:00,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:00,707 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:00,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:00,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:00,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:00,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:00,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:00,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:01,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:01,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:01,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:01,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:01,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:01,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:01,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:01,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:01,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:01,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:01,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:01,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:01,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:01,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:01,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:01,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:01,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:01,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:01,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:01,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:02,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:02,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:02,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:02,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:02,514 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:02,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:02,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:02,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:02,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:02,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:02,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:02,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:02,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:02,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:03,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:03,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:03,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:03,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:03,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:03,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:03,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:03,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:04,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:04,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:05,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:05,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:05,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:05,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:05,512 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:05,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:05,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:05,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:05,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:05,696 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:05,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:05,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:05,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:05,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:05,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:05,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:05,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:05,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:05,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:05,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:05,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:05,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:05,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:06,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:06,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:06,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:06,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:06,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:06,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:06,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:06,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:06,532 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:06,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:06,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:06,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:06,800 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:06,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:06,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:06,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:06,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:06,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:06,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:07,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:07,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:07,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:07,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:07,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:07,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:07,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:07,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:07,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:07,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:07,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:07,587 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:07,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:07,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:07,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:08,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:08,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:08,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:08,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:08,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:08,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:08,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:08,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:08,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:08,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:08,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:08,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:09,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:09,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:09,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:09,065 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:09,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:09,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:09,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:09,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:09,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:09,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:09,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:09,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:09,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:09,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:09,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:09,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:09,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:09,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:09,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:09,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:09,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:09,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:09,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:09,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:10,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:10,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:10,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:10,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:10,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:10,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:10,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:10,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:10,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:10,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:10,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:10,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:10,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:10,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:10,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:10,995 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:10,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:10,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:11,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:11,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:11,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:11,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:11,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:11,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:11,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:11,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:11,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:11,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:11,225 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:11,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:11,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:11,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:11,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:11,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:11,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:11,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:11,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:11,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:11,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:11,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:11,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:11,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:11,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:12,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:12,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:12,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:12,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:12,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:12,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:12,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:12,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:12,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:12,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:12,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:12,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:12,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:12,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:12,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:12,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:12,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:12,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:12,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:12,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:12,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:12,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:12,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:12,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:12,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:13,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:13,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:13,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:13,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:13,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:13,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:13,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:13,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:13,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:13,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:13,368 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:13,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:13,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:13,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:13,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:13,440 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:13,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:13,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:13,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:13,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:13,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:13,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:13,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:13,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:13,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:13,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:13,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:13,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:13,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:14,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:14,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:14,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:14,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:14,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:14,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:15,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:15,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:42:15,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 23:42:15,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:42:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:42:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2020-11-29 23:42:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2020-11-29 23:42:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:42:16,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2020-11-29 23:42:27,196 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:42:27,199 INFO L168 Benchmark]: Toolchain (without parser) took 234589.63 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 77.0 MB in the beginning and 35.3 MB in the end (delta: 41.7 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:27,200 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:42:27,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.21 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 83.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:27,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.48 ms. Allocated memory is still 107.0 MB. Free memory was 83.9 MB in the beginning and 82.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:27,201 INFO L168 Benchmark]: Boogie Preprocessor took 19.34 ms. Allocated memory is still 107.0 MB. Free memory was 82.6 MB in the beginning and 81.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:42:27,202 INFO L168 Benchmark]: RCFGBuilder took 664.86 ms. Allocated memory is still 107.0 MB. Free memory was 81.3 MB in the beginning and 65.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:27,203 INFO L168 Benchmark]: CodeCheck took 233553.26 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 65.0 MB in the beginning and 35.3 MB in the end (delta: 29.7 MB). Peak memory consumption was 56.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:27,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 298.21 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 83.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.48 ms. Allocated memory is still 107.0 MB. Free memory was 83.9 MB in the beginning and 82.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.34 ms. Allocated memory is still 107.0 MB. Free memory was 82.6 MB in the beginning and 81.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 664.86 ms. Allocated memory is still 107.0 MB. Free memory was 81.3 MB in the beginning and 65.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 233553.26 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 65.0 MB in the beginning and 35.3 MB in the end (delta: 29.7 MB). Peak memory consumption was 56.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:42:29,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:42:29,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:42:29,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:42:29,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:42:29,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:42:29,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:42:29,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:42:29,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:42:29,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:42:29,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:42:29,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:42:29,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:42:29,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:42:29,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:42:29,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:42:29,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:42:29,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:42:29,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:42:29,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:42:29,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:42:29,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:42:29,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:42:29,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:42:29,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:42:29,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:42:29,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:42:29,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:42:29,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:42:29,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:42:29,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:42:29,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:42:29,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:42:29,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:42:29,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:42:29,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:42:29,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:42:29,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:42:29,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:42:29,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:42:29,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:42:29,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 23:42:29,797 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:42:29,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:42:29,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:42:29,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:42:29,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:42:29,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:42:29,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:42:29,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:42:29,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:42:29,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:42:29,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:42:29,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:42:29,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:42:29,801 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 23:42:29,801 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:42:29,801 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:42:29,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:42:29,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:42:29,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:42:29,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:42:29,802 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:42:29,803 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:42:29,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:42:29,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:42:29,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:42:29,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:42:29,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:42:29,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:42:29,804 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 23:42:29,804 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:42:29,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:42:29,805 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 23:42:29,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:42:29,805 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c6c8efd3c23aeed344285746c5403115bb5830e [2020-11-29 23:42:30,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:42:30,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:42:30,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:42:30,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:42:30,236 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:42:30,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2020-11-29 23:42:30,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data/08ea9e798/f70497a9bcbf4c2d8fe414b1ed073ab7/FLAG15393c944 [2020-11-29 23:42:30,814 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:42:30,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2020-11-29 23:42:30,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data/08ea9e798/f70497a9bcbf4c2d8fe414b1ed073ab7/FLAG15393c944 [2020-11-29 23:42:31,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/data/08ea9e798/f70497a9bcbf4c2d8fe414b1ed073ab7 [2020-11-29 23:42:31,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:42:31,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:42:31,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:42:31,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:42:31,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:42:31,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c676220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31, skipping insertion in model container [2020-11-29 23:42:31,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:42:31,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:42:31,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:42:31,405 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:42:31,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:42:31,493 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:42:31,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31 WrapperNode [2020-11-29 23:42:31,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:42:31,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:42:31,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:42:31,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:42:31,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:42:31,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:42:31,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:42:31,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:42:31,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... [2020-11-29 23:42:31,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:42:31,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:42:31,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:42:31,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:42:31,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:42:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69b8a510-1892-48c2-bd66-9c5fde952b94/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:42:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:42:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:42:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:42:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:42:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-29 23:42:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-29 23:42:32,590 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:42:32,590 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:42:32,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:42:32 BoogieIcfgContainer [2020-11-29 23:42:32,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:42:32,594 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:42:32,594 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:42:32,605 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:42:32,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:42:32" (1/1) ... [2020-11-29 23:42:32,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:42:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:42:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2020-11-29 23:42:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2020-11-29 23:42:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:42:32,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:42:32,696 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:42:32,701 INFO L168 Benchmark]: Toolchain (without parser) took 1515.72 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 35.1 MB in the beginning and 51.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:32,703 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 38.3 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:42:32,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.54 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 39.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:32,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 37.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:42:32,705 INFO L168 Benchmark]: Boogie Preprocessor took 45.52 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 36.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:42:32,707 INFO L168 Benchmark]: RCFGBuilder took 993.03 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 36.6 MB in the beginning and 56.1 MB in the end (delta: -19.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:32,707 INFO L168 Benchmark]: CodeCheck took 105.06 ms. Allocated memory is still 77.6 MB. Free memory was 56.1 MB in the beginning and 51.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:42:32,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory was 38.4 MB in the beginning and 38.3 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 306.54 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 39.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 37.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.52 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 36.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 993.03 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 36.6 MB in the beginning and 56.1 MB in the end (delta: -19.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * CodeCheck took 105.06 ms. Allocated memory is still 77.6 MB. Free memory was 56.1 MB in the beginning and 51.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...