./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_8.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/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 37d0ed05d77a0379c9ed98058bf2f327252773ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:39:06,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:39:06,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:39:06,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:39:06,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:39:06,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:39:06,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:39:06,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:39:06,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:39:06,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:39:06,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:39:06,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:39:06,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:39:06,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:39:06,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:39:06,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:39:06,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:39:06,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:39:06,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:39:06,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:39:06,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:39:06,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:39:06,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:39:06,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:39:06,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:39:06,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:39:06,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:39:06,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:39:06,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:39:06,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:39:06,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:39:06,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:39:06,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:39:06,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:39:06,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:39:06,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:39:06,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:39:06,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:39:06,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:39:06,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:39:06,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:39:06,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:39:06,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:39:06,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:39:06,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:39:06,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:39:06,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:39:06,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:39:06,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:39:06,742 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:39:06,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:39:06,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:39:06,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:39:06,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:39:06,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:39:06,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:39:06,744 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:39:06,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:39:06,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:39:06,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:39:06,745 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:39:06,746 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:39:06,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:39:06,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:39:06,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:39:06,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:39:06,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:39:06,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:39:06,747 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:39:06,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:39:06,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:39:06,748 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_f869dd95-fd2a-4632-9a02-3c9869686440/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37d0ed05d77a0379c9ed98058bf2f327252773ce [2020-11-29 21:39:07,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:39:07,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:39:07,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:39:07,060 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:39:07,061 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:39:07,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_8.c [2020-11-29 21:39:07,142 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/data/948a2d6c3/3d2d53081e964e2f86553737ed9d0857/FLAGf3a8b631b [2020-11-29 21:39:07,624 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:39:07,625 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/sv-benchmarks/c/locks/test_locks_8.c [2020-11-29 21:39:07,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/data/948a2d6c3/3d2d53081e964e2f86553737ed9d0857/FLAGf3a8b631b [2020-11-29 21:39:07,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/data/948a2d6c3/3d2d53081e964e2f86553737ed9d0857 [2020-11-29 21:39:07,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:39:07,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:39:08,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:39:08,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:39:08,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:39:08,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:39:07" (1/1) ... [2020-11-29 21:39:08,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741ad652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08, skipping insertion in model container [2020-11-29 21:39:08,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:39:07" (1/1) ... [2020-11-29 21:39:08,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:39:08,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:39:08,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:39:08,284 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:39:08,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:39:08,321 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:39:08,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08 WrapperNode [2020-11-29 21:39:08,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:39:08,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:39:08,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:39:08,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:39:08,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:39:08,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:39:08,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:39:08,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:39:08,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... [2020-11-29 21:39:08,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:39:08,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:39:08,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:39:08,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:39:08,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:39:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:39:08,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:39:08,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:39:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:39:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:39:09,315 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:39:09,315 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-29 21:39:09,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:39:09 BoogieIcfgContainer [2020-11-29 21:39:09,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:39:09,318 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:39:09,318 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:39:09,329 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:39:09,329 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:39:09" (1/1) ... [2020-11-29 21:39:09,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:39:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2020-11-29 21:39:09,378 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2020-11-29 21:39:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 21:39:09,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:09,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2020-11-29 21:39:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2020-11-29 21:39:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 21:39:09,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2020-11-29 21:39:10,076 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2020-11-29 21:39:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 21:39:10,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2020-11-29 21:39:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2020-11-29 21:39:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 21:39:10,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2020-11-29 21:39:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2020-11-29 21:39:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 21:39:10,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2020-11-29 21:39:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2020-11-29 21:39:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 21:39:11,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:11,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2020-11-29 21:39:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2020-11-29 21:39:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 21:39:11,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2020-11-29 21:39:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2020-11-29 21:39:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 21:39:12,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:12,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2020-11-29 21:39:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2020-11-29 21:39:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 21:39:12,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2020-11-29 21:39:13,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2020-11-29 21:39:13,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 21:39:13,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2020-11-29 21:39:13,518 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2020-11-29 21:39:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 21:39:13,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2020-11-29 21:39:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-11-29 21:39:13,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 21:39:13,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2020-11-29 21:39:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2020-11-29 21:39:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 21:39:13,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2020-11-29 21:39:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-11-29 21:39:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 21:39:14,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2020-11-29 21:39:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2020-11-29 21:39:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 21:39:15,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:15,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2020-11-29 21:39:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2020-11-29 21:39:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 21:39:15,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2020-11-29 21:39:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2020-11-29 21:39:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:39:16,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:16,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2020-11-29 21:39:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2020-11-29 21:39:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:39:16,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2020-11-29 21:39:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2020-11-29 21:39:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:39:16,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2020-11-29 21:39:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2020-11-29 21:39:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:39:18,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2020-11-29 21:39:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2020-11-29 21:39:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:39:19,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:19,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2020-11-29 21:39:19,591 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2020-11-29 21:39:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:39:19,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:19,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2020-11-29 21:39:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2020-11-29 21:39:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:19,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2020-11-29 21:39:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2020-11-29 21:39:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:20,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2020-11-29 21:39:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2020-11-29 21:39:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:20,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2020-11-29 21:39:23,385 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2020-11-29 21:39:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:23,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2020-11-29 21:39:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2020-11-29 21:39:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:23,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:23,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2020-11-29 21:39:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2020-11-29 21:39:23,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:23,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2020-11-29 21:39:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2020-11-29 21:39:24,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:24,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:24,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2020-11-29 21:39:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2020-11-29 21:39:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 21:39:24,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2020-11-29 21:39:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2020-11-29 21:39:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 21:39:25,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:25,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2020-11-29 21:39:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2020-11-29 21:39:25,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 21:39:25,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2020-11-29 21:39:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2020-11-29 21:39:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 21:39:26,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2020-11-29 21:39:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2020-11-29 21:39:26,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 21:39:26,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:26,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2020-11-29 21:39:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-29 21:39:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 21:39:26,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:27,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2020-11-29 21:39:27,213 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2020-11-29 21:39:27,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 21:39:27,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2020-11-29 21:39:27,635 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2020-11-29 21:39:27,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:39:27,635 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2020-11-29 21:39:27,641 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:39:27,941 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:27,944 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:27,944 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:27,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:39:27 ImpRootNode [2020-11-29 21:39:27,944 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:39:27,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:39:27,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:39:27,945 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:39:27,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:39:09" (3/4) ... [2020-11-29 21:39:27,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:39:27,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-29 21:39:27,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-29 21:39:27,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:39:27,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:39:28,020 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f869dd95-fd2a-4632-9a02-3c9869686440/bin/ukojak/witness.graphml [2020-11-29 21:39:28,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:39:28,022 INFO L168 Benchmark]: Toolchain (without parser) took 20023.13 ms. Allocated memory was 79.7 MB in the beginning and 299.9 MB in the end (delta: 220.2 MB). Free memory was 45.8 MB in the beginning and 235.6 MB in the end (delta: -189.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:28,023 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 52.7 MB in the beginning and 52.7 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:39:28,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.22 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.6 MB in the beginning and 73.2 MB in the end (delta: -27.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:28,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.26 ms. Allocated memory is still 96.5 MB. Free memory was 73.2 MB in the beginning and 71.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:28,024 INFO L168 Benchmark]: Boogie Preprocessor took 24.24 ms. Allocated memory is still 96.5 MB. Free memory was 71.7 MB in the beginning and 70.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:39:28,025 INFO L168 Benchmark]: RCFGBuilder took 933.09 ms. Allocated memory is still 96.5 MB. Free memory was 70.4 MB in the beginning and 64.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:28,025 INFO L168 Benchmark]: CodeCheck took 18626.28 ms. Allocated memory was 96.5 MB in the beginning and 299.9 MB in the end (delta: 203.4 MB). Free memory was 64.6 MB in the beginning and 239.8 MB in the end (delta: -175.1 MB). Peak memory consumption was 176.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:28,026 INFO L168 Benchmark]: Witness Printer took 75.58 ms. Allocated memory is still 299.9 MB. Free memory was 239.8 MB in the beginning and 235.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:28,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 37, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1091591932 SDslu, 0 SDs, 0 SdLazy, -275063304 SolverSat, -34619652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3992 GetRequests, 3736 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29575 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 20372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 52.7 MB in the beginning and 52.7 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 322.22 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.6 MB in the beginning and 73.2 MB in the end (delta: -27.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.26 ms. Allocated memory is still 96.5 MB. Free memory was 73.2 MB in the beginning and 71.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.24 ms. Allocated memory is still 96.5 MB. Free memory was 71.7 MB in the beginning and 70.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 933.09 ms. Allocated memory is still 96.5 MB. Free memory was 70.4 MB in the beginning and 64.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * CodeCheck took 18626.28 ms. Allocated memory was 96.5 MB in the beginning and 299.9 MB in the end (delta: 203.4 MB). Free memory was 64.6 MB in the beginning and 239.8 MB in the end (delta: -175.1 MB). Peak memory consumption was 176.3 MB. Max. memory is 16.1 GB. * Witness Printer took 75.58 ms. Allocated memory is still 299.9 MB. Free memory was 239.8 MB in the beginning and 235.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...