./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/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 41c82abd8e4469b054afc455ef30f66afbeff681 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/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 41c82abd8e4469b054afc455ef30f66afbeff681 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:30:44,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:30:44,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:30:44,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:30:44,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:30:44,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:30:44,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:30:44,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:30:44,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:30:44,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:30:44,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:30:44,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:30:44,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:30:44,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:30:44,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:30:44,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:30:44,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:30:44,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:30:44,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:30:44,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:30:44,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:30:44,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:30:44,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:30:44,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:30:44,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:30:44,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:30:44,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:30:44,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:30:44,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:30:44,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:30:44,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:30:44,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:30:44,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:30:44,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:30:44,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:30:44,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:30:44,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:30:44,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:30:44,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:30:44,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:30:44,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:30:44,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:30:44,716 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:30:44,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:30:44,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:30:44,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:30:44,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:30:44,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:30:44,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:30:44,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:30:44,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:30:44,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:30:44,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:30:44,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:30:44,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:30:44,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:30:44,723 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:30:44,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:30:44,723 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:30:44,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:30:44,724 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:30:44,724 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:30:44,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:30:44,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:30:44,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:30:44,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:30:44,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:30:44,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:30:44,727 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:30:44,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:30:44,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:30:44,727 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_604739e0-e8ff-435d-9ddd-daaced67993a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41c82abd8e4469b054afc455ef30f66afbeff681 [2020-12-01 17:30:45,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:30:45,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:30:45,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:30:45,134 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:30:45,136 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:30:45,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2020-12-01 17:30:45,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data/5046dd477/30720182f234479e9135980294407a5b/FLAG0d2b99c94 [2020-12-01 17:30:45,823 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:30:45,824 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2020-12-01 17:30:45,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data/5046dd477/30720182f234479e9135980294407a5b/FLAG0d2b99c94 [2020-12-01 17:30:46,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data/5046dd477/30720182f234479e9135980294407a5b [2020-12-01 17:30:46,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:30:46,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:30:46,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:30:46,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:30:46,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:30:46,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463c0076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46, skipping insertion in model container [2020-12-01 17:30:46,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:30:46,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:30:46,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:30:46,569 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:30:46,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:30:46,636 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:30:46,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46 WrapperNode [2020-12-01 17:30:46,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:30:46,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:30:46,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:30:46,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:30:46,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:30:46,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:30:46,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:30:46,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:30:46,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... [2020-12-01 17:30:46,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:30:46,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:30:46,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:30:46,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:30:46,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/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 [2020-12-01 17:30:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:30:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:30:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:30:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:30:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:30:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:30:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:30:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:30:47,355 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:30:47,356 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 17:30:47,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:30:47 BoogieIcfgContainer [2020-12-01 17:30:47,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:30:47,361 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:30:47,361 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:30:47,389 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:30:47,397 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:30:47" (1/1) ... [2020-12-01 17:30:47,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:30:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2020-12-01 17:30:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2020-12-01 17:30:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:30:47,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:30:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2020-12-01 17:30:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-01 17:30:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:30:47,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:31:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2020-12-01 17:31:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2020-12-01 17:31:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:31:20,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:31:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2020-12-01 17:31:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2020-12-01 17:31:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:31:22,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:22,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 17:31:22,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:31:23,426 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2020-12-01 17:31:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 38 states and 66 transitions. [2020-12-01 17:31:24,696 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2020-12-01 17:31:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:31:24,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:24,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 17:31:24,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:31:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 69 transitions. [2020-12-01 17:31:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2020-12-01 17:31:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:31:26,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:26,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:26,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 17:31:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 78 transitions. [2020-12-01 17:31:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2020-12-01 17:31:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:31:28,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:28,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 17:31:28,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:31:30,295 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-12-01 17:31:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 87 transitions. [2020-12-01 17:31:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2020-12-01 17:31:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:31,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:31,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:31,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:32,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:53,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:53,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:53,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:54,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:54,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:54,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:54,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:54,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:54,407 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:54,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:54,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:54,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:54,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:54,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:54,681 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:54,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:54,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:54,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:54,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:54,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:55,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:55,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:55,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:55,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:55,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:55,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:55,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:55,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:55,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:55,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:55,759 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:55,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:55,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:55,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:55,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:55,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:56,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 93 transitions. [2020-12-01 17:31:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2020-12-01 17:31:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:56,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:56,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:31:56,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:56,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:56,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:56,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:56,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:56,602 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:56,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:56,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:56,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:56,849 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:56,868 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:56,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:56,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:56,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:56,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:57,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:57,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:57,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:57,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:57,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:57,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:57,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:57,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:31:57,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:57,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:57,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:57,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:57,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:57,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:57,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:57,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:57,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:57,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:58,037 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:58,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:58,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:58,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:58,272 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:58,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:58,340 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:58,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:58,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:58,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:58,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:58,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:58,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:58,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:31:58,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:58,756 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:58,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:58,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:58,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:58,975 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:59,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:59,017 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:59,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:59,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:31:59,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:59,194 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:59,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:59,236 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:59,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:59,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:59,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:59,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:59,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:59,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:59,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:59,608 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:59,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:59,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:59,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:31:59,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:31:59,894 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:31:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:31:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:31:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:31:59,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:00,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:00,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:00,087 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:00,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:00,129 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:00,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:00,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:00,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:00,302 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:00,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:00,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:00,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:00,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:00,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:00,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:00,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:00,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:00,588 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:00,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:00,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:00,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:00,750 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:00,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:00,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:00,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:00,960 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:00,977 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:01,000 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:01,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:01,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:01,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:01,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:01,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:01,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:32:01,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:01,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:01,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:01,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:01,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:01,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:01,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:01,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:01,659 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:01,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:01,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:01,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:01,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:01,833 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:01,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:01,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:01,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:01,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:02,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:02,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:02,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:32:02,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:02,275 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:02,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:02,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:02,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:02,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:02,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:02,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:02,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:02,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:02,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:02,735 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:02,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:02,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:02,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:02,898 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:02,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:02,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:03,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:03,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:03,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:03,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:03,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:03,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:03,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:03,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:03,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:03,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:03,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:03,569 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:03,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:03,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:03,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:03,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:03,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:03,834 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:03,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:03,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:03,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:04,012 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:04,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:04,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:04,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:04,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:04,216 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:04,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:04,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:04,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:04,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:04,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:04,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:32:04,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:04,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:04,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:04,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:32:04,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:32:04,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:32:04,873 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:32:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:32:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 96 transitions. [2020-12-01 17:32:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2020-12-01 17:32:04,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:32:04,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2020-12-01 17:32:15,437 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) [2020-12-01 17:32:15,442 INFO L168 Benchmark]: Toolchain (without parser) took 89252.16 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 70.3 MB in the beginning and 40.0 MB in the end (delta: 30.3 MB). Peak memory consumption was 62.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:15,443 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 104.9 MB. Free memory was 77.9 MB in the beginning and 77.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:32:15,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.49 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 81.0 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:15,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.74 ms. Allocated memory is still 104.9 MB. Free memory was 80.8 MB in the beginning and 78.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:15,446 INFO L168 Benchmark]: Boogie Preprocessor took 51.32 ms. Allocated memory is still 104.9 MB. Free memory was 78.8 MB in the beginning and 77.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:15,447 INFO L168 Benchmark]: RCFGBuilder took 575.50 ms. Allocated memory is still 104.9 MB. Free memory was 77.8 MB in the beginning and 58.4 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:15,448 INFO L168 Benchmark]: CodeCheck took 88080.25 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 58.4 MB in the beginning and 40.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:15,453 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 0.41 ms. Allocated memory is still 104.9 MB. Free memory was 77.9 MB in the beginning and 77.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 442.49 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 81.0 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.74 ms. Allocated memory is still 104.9 MB. Free memory was 80.8 MB in the beginning and 78.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.32 ms. Allocated memory is still 104.9 MB. Free memory was 78.8 MB in the beginning and 77.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 575.50 ms. Allocated memory is still 104.9 MB. Free memory was 77.8 MB in the beginning and 58.4 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 88080.25 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 58.4 MB in the beginning and 40.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 52.2 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 0.2.0-69874e2 [2020-12-01 17:32:18,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:32:18,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:32:18,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:32:18,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:32:18,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:32:18,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:32:18,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:32:18,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:32:18,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:32:18,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:32:18,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:32:18,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:32:18,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:32:18,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:32:18,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:32:18,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:32:18,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:32:18,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:32:18,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:32:18,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:32:18,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:32:18,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:32:18,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:32:18,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:32:18,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:32:18,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:32:18,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:32:18,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:32:18,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:32:18,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:32:18,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:32:18,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:32:18,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:32:18,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:32:18,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:32:18,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:32:18,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:32:18,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:32:18,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:32:18,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:32:18,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:32:19,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:32:19,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:32:19,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:32:19,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:32:19,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:32:19,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:32:19,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:32:19,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:32:19,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:32:19,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:32:19,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:32:19,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:32:19,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:32:19,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:32:19,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:32:19,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:32:19,018 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:32:19,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:32:19,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:32:19,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:32:19,019 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:32:19,019 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:32:19,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:32:19,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:32:19,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:32:19,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:32:19,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:32:19,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:32:19,022 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:32:19,022 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:32:19,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:32:19,023 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:32:19,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:32:19,024 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_604739e0-e8ff-435d-9ddd-daaced67993a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41c82abd8e4469b054afc455ef30f66afbeff681 [2020-12-01 17:32:19,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:32:19,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:32:19,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:32:19,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:32:19,545 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:32:19,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2020-12-01 17:32:19,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data/4689b8546/3555258dba7f4c969d4404904ab9dc19/FLAGb375d77a2 [2020-12-01 17:32:20,418 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:32:20,419 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2020-12-01 17:32:20,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data/4689b8546/3555258dba7f4c969d4404904ab9dc19/FLAGb375d77a2 [2020-12-01 17:32:20,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/bin/ukojak/data/4689b8546/3555258dba7f4c969d4404904ab9dc19 [2020-12-01 17:32:20,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:32:20,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:32:20,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:32:20,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:32:20,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:32:20,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:32:20" (1/1) ... [2020-12-01 17:32:20,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a6489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:20, skipping insertion in model container [2020-12-01 17:32:20,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:32:20" (1/1) ... [2020-12-01 17:32:20,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:32:20,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:32:21,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:32:21,181 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:32:21,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:32:21,262 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:32:21,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21 WrapperNode [2020-12-01 17:32:21,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:32:21,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:32:21,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:32:21,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:32:21,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:32:21,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:32:21,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:32:21,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:32:21,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... [2020-12-01 17:32:21,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:32:21,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:32:21,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:32:21,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:32:21,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:32:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_604739e0-e8ff-435d-9ddd-daaced67993a/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 [2020-12-01 17:32:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:32:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:32:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:32:21,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:32:21,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:32:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:32:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:32:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:32:22,294 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:32:22,309 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 17:32:22,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:32:22 BoogieIcfgContainer [2020-12-01 17:32:22,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:32:22,314 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:32:22,315 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:32:22,329 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:32:22,337 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:32:22" (1/1) ... [2020-12-01 17:32:22,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:32:22,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:32:22,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2020-12-01 17:32:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2020-12-01 17:32:22,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:32:22,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:32:22,527 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) [2020-12-01 17:32:22,540 INFO L168 Benchmark]: Toolchain (without parser) took 1813.90 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 40.5 MB in the beginning and 60.7 MB in the end (delta: -20.1 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:22,543 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 58.7 MB. Free memory was 41.4 MB in the beginning and 41.4 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:32:22,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 28.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:22,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.90 ms. Allocated memory is still 58.7 MB. Free memory was 28.9 MB in the beginning and 42.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:22,552 INFO L168 Benchmark]: Boogie Preprocessor took 74.55 ms. Allocated memory is still 58.7 MB. Free memory was 42.8 MB in the beginning and 41.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:22,553 INFO L168 Benchmark]: RCFGBuilder took 855.85 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 41.2 MB in the beginning and 66.1 MB in the end (delta: -24.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:22,555 INFO L168 Benchmark]: CodeCheck took 220.82 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 60.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:32:22,571 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 0.39 ms. Allocated memory is still 58.7 MB. Free memory was 41.4 MB in the beginning and 41.4 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 535.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 28.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.90 ms. Allocated memory is still 58.7 MB. Free memory was 28.9 MB in the beginning and 42.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.55 ms. Allocated memory is still 58.7 MB. Free memory was 42.8 MB in the beginning and 41.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 855.85 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 41.2 MB in the beginning and 66.1 MB in the end (delta: -24.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * CodeCheck took 220.82 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 60.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...