./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.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_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/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 401165f607b436d9ebbfd488e4fcb012fbb55fb6 .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:09:32,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:09:32,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:09:32,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:09:32,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:09:32,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:09:32,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:09:32,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:09:32,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:09:32,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:09:32,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:09:32,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:09:32,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:09:32,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:09:32,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:09:32,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:09:32,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:09:32,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:09:32,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:09:32,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:09:32,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:09:32,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:09:32,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:09:32,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:09:32,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:09:32,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:09:32,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:09:32,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:09:32,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:09:32,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:09:32,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:09:32,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:09:32,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:09:32,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:09:32,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:09:32,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:09:32,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:09:32,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:09:32,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:09:32,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:09:32,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:09:32,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:09:32,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:09:32,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:09:32,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:09:32,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:09:32,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:09:32,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:09:32,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:09:32,670 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:09:32,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:09:32,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:09:32,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:09:32,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:09:32,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:09:32,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:09:32,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:09:32,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:09:32,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:09:32,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:09:32,673 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:09:32,673 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:09:32,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:09:32,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:09:32,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:09:32,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:09:32,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:09:32,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:09:32,675 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:09:32,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:09:32,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:09:32,676 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_58150874-b186-4b03-b11c-faeb9e2117a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 401165f607b436d9ebbfd488e4fcb012fbb55fb6 [2020-12-01 18:09:32,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:09:33,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:09:33,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:09:33,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:09:33,006 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:09:33,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2020-12-01 18:09:33,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/data/baa146335/e3bf848e63c24feab4fecb39e42a6252/FLAG158b6eecd [2020-12-01 18:09:33,821 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:09:33,822 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/sv-benchmarks/c/eca-rers2012/Problem11_label10.c [2020-12-01 18:09:33,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/data/baa146335/e3bf848e63c24feab4fecb39e42a6252/FLAG158b6eecd [2020-12-01 18:09:33,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/data/baa146335/e3bf848e63c24feab4fecb39e42a6252 [2020-12-01 18:09:33,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:09:33,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:09:33,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:09:33,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:09:33,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:09:33,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:09:33" (1/1) ... [2020-12-01 18:09:33,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b82da2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:33, skipping insertion in model container [2020-12-01 18:09:33,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:09:33" (1/1) ... [2020-12-01 18:09:34,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:09:34,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:09:34,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:09:34,678 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:09:34,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:09:35,011 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:09:35,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35 WrapperNode [2020-12-01 18:09:35,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:09:35,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:09:35,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:09:35,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:09:35,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:09:35,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:09:35,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:09:35,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:09:35,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... [2020-12-01 18:09:35,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:09:35,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:09:35,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:09:35,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:09:35,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/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 18:09:35,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:09:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:09:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:09:35,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:10:02,720 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:10:02,720 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:10:02,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:10:02 BoogieIcfgContainer [2020-12-01 18:10:02,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:10:02,726 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:10:02,726 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:10:02,742 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:10:02,743 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:10:02" (1/1) ... [2020-12-01 18:10:02,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:10:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:10:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:10:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:10:02,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:10:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:10:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:10:03,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:10:03,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:10:16,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2020-12-01 18:10:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2020-12-01 18:10:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:10:16,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:19,456 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2020-12-01 18:10:19,642 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2020-12-01 18:10:19,841 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-01 18:10:19,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:10:22,072 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-12-01 18:10:23,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2020-12-01 18:10:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2020-12-01 18:10:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:10:23,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:28,532 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-01 18:10:28,872 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2020-12-01 18:10:28,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:10:29,166 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-12-01 18:10:29,784 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-01 18:10:30,929 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-12-01 18:10:31,751 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-12-01 18:10:32,185 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2020-12-01 18:10:32,508 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2020-12-01 18:10:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 85 transitions. [2020-12-01 18:10:33,690 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 85 transitions. [2020-12-01 18:10:33,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:10:33,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:10:37,713 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-12-01 18:10:37,890 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-12-01 18:10:38,571 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-12-01 18:10:38,757 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-12-01 18:10:39,302 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2020-12-01 18:10:39,572 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-12-01 18:10:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 48 states and 106 transitions. [2020-12-01 18:10:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 106 transitions. [2020-12-01 18:10:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:10:41,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:10:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 51 states and 110 transitions. [2020-12-01 18:10:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 110 transitions. [2020-12-01 18:10:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:10:45,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:55,543 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-12-01 18:10:56,192 WARN L197 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-12-01 18:10:56,915 WARN L197 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2020-12-01 18:10:57,575 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2020-12-01 18:10:57,889 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2020-12-01 18:10:58,303 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2020-12-01 18:10:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:10:58,591 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2020-12-01 18:10:59,385 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 32 [2020-12-01 18:10:59,649 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 18:10:59,805 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2020-12-01 18:11:13,027 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-01 18:11:13,661 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2020-12-01 18:11:13,934 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 18:11:14,274 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2020-12-01 18:11:14,525 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-01 18:11:14,849 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-01 18:11:15,816 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2020-12-01 18:11:16,083 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 18:11:16,543 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 61 [2020-12-01 18:11:16,835 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 18:11:17,142 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 18:11:17,542 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-12-01 18:11:17,873 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2020-12-01 18:11:18,155 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-01 18:11:18,465 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-01 18:11:20,212 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-12-01 18:11:20,548 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-12-01 18:11:21,449 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-12-01 18:11:21,963 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-12-01 18:11:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:11:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 63 states and 149 transitions. [2020-12-01 18:11:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 149 transitions. [2020-12-01 18:11:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:11:22,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:11:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:11:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:11:33,276 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2020-12-01 18:11:33,615 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2020-12-01 18:11:33,900 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-01 18:11:34,233 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-01 18:11:34,954 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2020-12-01 18:11:35,559 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2020-12-01 18:11:35,874 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-01 18:11:36,222 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-01 18:11:36,716 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2020-12-01 18:11:37,476 WARN L197 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2020-12-01 18:11:37,828 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-01 18:11:38,203 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-12-01 18:11:39,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:11:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 69 states and 172 transitions. [2020-12-01 18:11:39,268 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 172 transitions. [2020-12-01 18:11:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:11:39,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:11:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:11:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:11:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:11:48,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 72 states and 177 transitions. [2020-12-01 18:11:48,774 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 177 transitions. [2020-12-01 18:11:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:11:48,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:11:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:11:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:11:55,371 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2020-12-01 18:11:55,600 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-12-01 18:11:56,764 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2020-12-01 18:11:56,983 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2020-12-01 18:11:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:11:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 75 states and 185 transitions. [2020-12-01 18:11:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 185 transitions. [2020-12-01 18:11:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:11:57,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:06,837 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2020-12-01 18:12:07,033 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 52 [2020-12-01 18:12:07,319 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-12-01 18:12:07,461 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 56 [2020-12-01 18:12:07,781 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-12-01 18:12:08,028 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 43 [2020-12-01 18:12:08,321 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2020-12-01 18:12:08,468 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 71 [2020-12-01 18:12:08,822 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2020-12-01 18:12:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:12:09,043 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2020-12-01 18:12:10,330 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-12-01 18:12:10,979 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-01 18:12:11,888 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-12-01 18:12:12,416 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2020-12-01 18:12:12,760 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-01 18:12:13,504 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-12-01 18:12:13,835 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2020-12-01 18:12:14,274 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-01 18:12:14,647 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-01 18:12:15,810 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 61 [2020-12-01 18:12:16,258 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2020-12-01 18:12:16,541 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 18:12:17,227 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 67 [2020-12-01 18:12:17,657 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 18:12:28,073 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-12-01 18:12:28,785 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-12-01 18:12:29,186 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-12-01 18:12:29,858 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-12-01 18:12:30,274 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-12-01 18:12:31,063 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2020-12-01 18:12:31,570 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2020-12-01 18:12:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 86 states and 214 transitions. [2020-12-01 18:12:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 214 transitions. [2020-12-01 18:12:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:12:32,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:37,348 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2020-12-01 18:12:37,746 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2020-12-01 18:12:38,185 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-12-01 18:12:38,694 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-12-01 18:12:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 20 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 18:12:39,035 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-12-01 18:12:39,586 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2020-12-01 18:12:40,378 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-12-01 18:12:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2020-12-01 18:12:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2020-12-01 18:12:42,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:12:42,176 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2020-12-01 18:12:42,186 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:12:44,285 WARN L197 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 190 DAG size of output: 109 [2020-12-01 18:12:46,177 WARN L197 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 199 DAG size of output: 91 [2020-12-01 18:12:48,051 WARN L197 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 186 DAG size of output: 102 [2020-12-01 18:12:51,467 WARN L197 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 203 DAG size of output: 126 [2020-12-01 18:12:51,469 INFO L569 CodeCheckObserver]: Invariant with dag size 90 [2020-12-01 18:12:51,511 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:12:51,512 INFO L569 CodeCheckObserver]: Invariant with dag size 102 [2020-12-01 18:12:51,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:12:51 ImpRootNode [2020-12-01 18:12:51,519 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:12:51,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:12:51,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:12:51,520 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:12:51,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:10:02" (3/4) ... [2020-12-01 18:12:51,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:12:51,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 254 nodes and edges [2020-12-01 18:12:51,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-01 18:12:51,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 18:12:51,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:12:51,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_58150874-b186-4b03-b11c-faeb9e2117a5/bin/ukojak/witness.graphml [2020-12-01 18:12:51,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:12:51,882 INFO L168 Benchmark]: Toolchain (without parser) took 197908.37 ms. Allocated memory was 98.6 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 67.0 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 731.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:51,882 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 98.6 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:12:51,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1032.39 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 66.8 MB in the beginning and 96.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:51,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 195.01 ms. Allocated memory is still 127.9 MB. Free memory was 96.2 MB in the beginning and 79.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:51,884 INFO L168 Benchmark]: Boogie Preprocessor took 199.98 ms. Allocated memory is still 127.9 MB. Free memory was 79.5 MB in the beginning and 69.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:51,885 INFO L168 Benchmark]: RCFGBuilder took 27312.80 ms. Allocated memory was 127.9 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 69.0 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 470.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:51,885 INFO L168 Benchmark]: CodeCheck took 168793.38 ms. Allocated memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: 924.8 MB). Free memory was 1.8 GB in the beginning and 2.2 GB in the end (delta: -412.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2020-12-01 18:12:51,886 INFO L168 Benchmark]: Witness Printer took 360.56 ms. Allocated memory is still 3.0 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:12:51,888 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 159.3s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 30656 SDtfs, 66074 SDslu, 44936 SDs, 0 SdLazy, 206146 SolverSat, 29652 SolverUnsat, 2112 SolverUnknown, 0 SolverNotchecked, 301.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2742 GetRequests, 2430 SyntacticMatches, 88 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27178 ImplicationChecksByTransitivity, 48.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 35.1s SatisfiabilityAnalysisTime, 37.2s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 152680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 60/353 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: 12]: 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: 32]: Loop Invariant Derived loop invariant: ((((((((((((a25 <= 10 && !(312 <= a23 && a29 <= 130)) && a8 == 15) && (a25 <= 9 || 0 <= a23 + 42)) && a3 == 1) || (((((!(a25 == 12) && !(a25 == 13)) || a29 <= 690399) && a8 == 15) && a3 == 1) && !(((a23 <= 306 || a25 <= 11) || !(a4 == 1)) || a29 <= 599998))) || (((312 < a23 && a25 <= 10) && a8 == 15) && a3 == 1)) || ((((((((2 == input || input == 4) || 6 == input) || input == 1) || 5 == input) && a8 == 15) && !(a23 <= 306)) && !((!(a25 == 12) && !(a25 == 13)) || a29 <= 690399)) && a3 == 1)) || ((((a25 <= 10 && 10 <= a25) && a29 <= 130) && a8 == 15) && a3 == 1)) || (((!(312 <= a23 && a29 <= 130) && a8 == 15) && a29 <= 245) && a3 == 1)) || ((((a29 <= 277 && !(312 <= a23 && a29 <= 130)) && !(a25 <= 10)) && a8 == 15) && a3 == 1)) || (((!(a29 <= 277) && a8 == 15) && (a29 <= 206675 || ((a23 <= 138 || !(a25 == 13)) && (!(a25 == 12) || a23 <= 306)))) && a3 == 1)) || ((((a8 == 15 && !((a4 == 1 && (!(a25 == 12) || a23 <= 306)) && !(a25 == 13))) && (306 < a23 || !(a4 == 1))) && (((a23 <= 306 || a25 <= 11) || !(a4 == 1)) || a29 <= 599998)) && a3 == 1)) || (((a25 <= 10 && a29 < 130) && a8 == 15) && a3 == 1) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((a25 == 13 || a25 == 12) && a29 <= 130) && a8 == 15) && a3 == 1) || (((!(((a23 <= 306 || a4 == 0) || a25 <= 11) || a29 <= 599998) && ((!(a25 == 12) && !(a25 == 13)) || a29 <= 690399)) && a8 == 15) && a3 == 1)) || ((a8 == 15 && !(a4 == 1)) && a3 == 1)) || (((a29 <= 130 && a8 == 15) && !(312 <= a23)) && a3 == 1)) || (((312 < a23 && a25 <= 10) && a8 == 15) && a3 == 1)) || (((278 <= a29 && !(11 <= a25)) && a8 == 15) && a3 == 1)) || ((((((312 <= a23 || a25 <= 9) || 12 <= a25) && ((((((12 < a25 && a29 <= 206675) || (a25 == 13 && (a23 <= 262 || !(a25 == 13)))) || ((a23 <= 262 || !(a25 == 13)) && ((a29 <= 599998 && a23 + 599900 <= 0) || (!(a25 == 12) && a29 <= 599998)))) && a4 == 1) || a29 <= 277) || (a25 == 9 && a29 <= 310110))) && a8 == 15) && !(a29 <= 275 || a25 <= 9)) && a3 == 1)) || ((((((312 <= a23 || a25 <= 9) || 12 <= a25) && 130 < a29) && a8 == 15) && a3 == 1) && (a29 <= 275 || a25 <= 9))) || ((((a25 <= 10 && 10 <= a25) && a29 <= 130) && a8 == 15) && a3 == 1)) || (((a25 <= 10 && a29 < 130) && a8 == 15) && a3 == 1)) || (((!((((((12 < a25 && a29 <= 206675) || (a25 == 13 && (a23 <= 262 || !(a25 == 13)))) || ((a23 <= 262 || !(a25 == 13)) && ((a29 <= 599998 && a23 + 599900 <= 0) || (!(a25 == 12) && a29 <= 599998)))) && a4 == 1) || a29 <= 277) || (a25 == 9 && a29 <= 310110)) && a8 == 15) && (((a23 <= 306 || a4 == 0) || a25 <= 11) || a29 <= 599998)) && a3 == 1)) || (((!(a29 <= 130 || 12 <= a25) && ((0 <= a23 + 42 || 11 <= a25) || a29 <= 245)) && a8 == 15) && a3 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 98.6 MB. Free memory is still 57.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1032.39 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 66.8 MB in the beginning and 96.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 195.01 ms. Allocated memory is still 127.9 MB. Free memory was 96.2 MB in the beginning and 79.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 199.98 ms. Allocated memory is still 127.9 MB. Free memory was 79.5 MB in the beginning and 69.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27312.80 ms. Allocated memory was 127.9 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 69.0 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 470.3 MB. Max. memory is 16.1 GB. * CodeCheck took 168793.38 ms. Allocated memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: 924.8 MB). Free memory was 1.8 GB in the beginning and 2.2 GB in the end (delta: -412.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. * Witness Printer took 360.56 ms. Allocated memory is still 3.0 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...