./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d63a23585cedb87d2d2ae4c59168b108a64280e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:16:56,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:56,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:56,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:56,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:56,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:56,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:56,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:56,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:56,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:56,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:56,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:56,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:56,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:56,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:56,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:56,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:56,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:56,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:56,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:56,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:56,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:56,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:56,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:56,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:56,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:56,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:56,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:56,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:56,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:56,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:56,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:56,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:56,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:56,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:56,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:56,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:56,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:56,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:56,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:56,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:56,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:16:56,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:56,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:56,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:16:56,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:16:56,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:56,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:56,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:56,405 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:56,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:56,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:56,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:56,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:16:56,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:56,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:16:56,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:56,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:16:56,407 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:56,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:16:56,407 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:56,407 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:56,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:56,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:56,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:56,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:56,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:56,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:16:56,409 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:56,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:56,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:16:56,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_c2880003-718d-4b18-89be-035c253c67ed/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(__VERIFIER_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 -> d63a23585cedb87d2d2ae4c59168b108a64280e1 [2019-10-22 10:16:56,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:56,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:56,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:56,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:56,449 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:56,449 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2019-10-22 10:16:56,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/data/f02a4337f/61678bd704a7458c87d2e62044b171ee/FLAG88fc32f8e [2019-10-22 10:16:56,899 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:56,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2019-10-22 10:16:56,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/data/f02a4337f/61678bd704a7458c87d2e62044b171ee/FLAG88fc32f8e [2019-10-22 10:16:56,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/data/f02a4337f/61678bd704a7458c87d2e62044b171ee [2019-10-22 10:16:56,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:56,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:56,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:56,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:56,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:56,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:56" (1/1) ... [2019-10-22 10:16:56,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce6504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:56, skipping insertion in model container [2019-10-22 10:16:56,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:56" (1/1) ... [2019-10-22 10:16:56,942 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:56,983 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:57,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:57,241 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:57,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:57,318 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:57,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57 WrapperNode [2019-10-22 10:16:57,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:57,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:57,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:57,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:57,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:57,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:57,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:57,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:57,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... [2019-10-22 10:16:57,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:57,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:57,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:57,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:57,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/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 [2019-10-22 10:16:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:57,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:58,111 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:58,111 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:16:58,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:58 BoogieIcfgContainer [2019-10-22 10:16:58,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:58,113 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:58,113 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:58,127 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:58,129 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:58" (1/1) ... [2019-10-22 10:16:58,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2019-10-22 10:16:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2019-10-22 10:16:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:16:58,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 204 transitions. [2019-10-22 10:16:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 204 transitions. [2019-10-22 10:16:58,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:16:58,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 118 states and 201 transitions. [2019-10-22 10:16:58,616 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 201 transitions. [2019-10-22 10:16:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:16:58,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2019-10-22 10:16:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2019-10-22 10:16:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:16:58,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 121 states and 213 transitions. [2019-10-22 10:16:58,987 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 213 transitions. [2019-10-22 10:16:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:16:58,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 119 states and 210 transitions. [2019-10-22 10:16:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2019-10-22 10:16:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:16:59,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 214 transitions. [2019-10-22 10:16:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 214 transitions. [2019-10-22 10:16:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:16:59,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 124 states and 216 transitions. [2019-10-22 10:16:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 216 transitions. [2019-10-22 10:16:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:16:59,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 130 states and 233 transitions. [2019-10-22 10:17:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 233 transitions. [2019-10-22 10:17:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:17:00,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 132 states and 235 transitions. [2019-10-22 10:17:00,149 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 235 transitions. [2019-10-22 10:17:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:17:00,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2019-10-22 10:17:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2019-10-22 10:17:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:17:00,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 137 states and 248 transitions. [2019-10-22 10:17:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 248 transitions. [2019-10-22 10:17:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:17:00,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 137 states and 247 transitions. [2019-10-22 10:17:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2019-10-22 10:17:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:17:00,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 140 states and 250 transitions. [2019-10-22 10:17:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-10-22 10:17:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:17:01,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:01,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 144 states and 256 transitions. [2019-10-22 10:17:01,630 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 256 transitions. [2019-10-22 10:17:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:17:01,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 147 states and 260 transitions. [2019-10-22 10:17:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 260 transitions. [2019-10-22 10:17:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:17:02,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 145 states and 257 transitions. [2019-10-22 10:17:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 257 transitions. [2019-10-22 10:17:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:17:02,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 145 states and 256 transitions. [2019-10-22 10:17:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 256 transitions. [2019-10-22 10:17:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:17:02,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:03,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 145 states and 255 transitions. [2019-10-22 10:17:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 255 transitions. [2019-10-22 10:17:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:17:03,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 147 states and 258 transitions. [2019-10-22 10:17:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 258 transitions. [2019-10-22 10:17:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:17:03,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 147 states and 257 transitions. [2019-10-22 10:17:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 257 transitions. [2019-10-22 10:17:03,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:17:03,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 147 states and 255 transitions. [2019-10-22 10:17:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 255 transitions. [2019-10-22 10:17:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:17:04,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 150 states and 258 transitions. [2019-10-22 10:17:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 258 transitions. [2019-10-22 10:17:04,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:17:04,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:04,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:04,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 147 states and 254 transitions. [2019-10-22 10:17:04,939 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 254 transitions. [2019-10-22 10:17:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:17:04,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 147 states and 253 transitions. [2019-10-22 10:17:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 253 transitions. [2019-10-22 10:17:05,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:17:05,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 147 states and 252 transitions. [2019-10-22 10:17:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 252 transitions. [2019-10-22 10:17:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:17:05,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 147 states and 250 transitions. [2019-10-22 10:17:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 250 transitions. [2019-10-22 10:17:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:17:05,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 147 states and 249 transitions. [2019-10-22 10:17:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 249 transitions. [2019-10-22 10:17:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:17:06,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:06,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:06,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 147 states and 248 transitions. [2019-10-22 10:17:06,494 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 248 transitions. [2019-10-22 10:17:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:17:06,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:06,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2019-10-22 10:17:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2019-10-22 10:17:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:17:06,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 147 states and 245 transitions. [2019-10-22 10:17:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 245 transitions. [2019-10-22 10:17:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:17:07,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:07,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 147 states and 244 transitions. [2019-10-22 10:17:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 244 transitions. [2019-10-22 10:17:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:17:07,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 242 transitions. [2019-10-22 10:17:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2019-10-22 10:17:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:17:07,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 147 states and 241 transitions. [2019-10-22 10:17:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 241 transitions. [2019-10-22 10:17:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:17:08,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:08,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 147 states and 240 transitions. [2019-10-22 10:17:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 240 transitions. [2019-10-22 10:17:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:17:08,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 147 states and 238 transitions. [2019-10-22 10:17:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 238 transitions. [2019-10-22 10:17:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:17:08,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 147 states and 237 transitions. [2019-10-22 10:17:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 237 transitions. [2019-10-22 10:17:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:17:09,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 147 states and 236 transitions. [2019-10-22 10:17:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 236 transitions. [2019-10-22 10:17:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:17:09,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 147 states and 234 transitions. [2019-10-22 10:17:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2019-10-22 10:17:10,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:17:10,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 147 states and 233 transitions. [2019-10-22 10:17:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2019-10-22 10:17:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:17:10,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:11,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 147 states and 231 transitions. [2019-10-22 10:17:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 231 transitions. [2019-10-22 10:17:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:17:11,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 149 states and 235 transitions. [2019-10-22 10:17:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 235 transitions. [2019-10-22 10:17:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:17:11,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 151 states and 237 transitions. [2019-10-22 10:17:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 237 transitions. [2019-10-22 10:17:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:17:11,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 152 states and 236 transitions. [2019-10-22 10:17:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 236 transitions. [2019-10-22 10:17:11,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:17:11,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:13,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 157 states and 242 transitions. [2019-10-22 10:17:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 242 transitions. [2019-10-22 10:17:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:17:13,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 159 states and 242 transitions. [2019-10-22 10:17:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 242 transitions. [2019-10-22 10:17:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:17:14,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 159 states and 241 transitions. [2019-10-22 10:17:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 241 transitions. [2019-10-22 10:17:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:17:14,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:15,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 162 states and 246 transitions. [2019-10-22 10:17:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 246 transitions. [2019-10-22 10:17:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:17:15,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 115 states and 177 transitions. [2019-10-22 10:17:16,609 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 177 transitions. [2019-10-22 10:17:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:17:16,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 104 states and 166 transitions. [2019-10-22 10:17:18,053 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 166 transitions. [2019-10-22 10:17:18,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:17:18,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:19,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 86 states and 147 transitions. [2019-10-22 10:17:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2019-10-22 10:17:19,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:17:19,162 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2019-10-22 10:17:19,171 INFO L771 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2019-10-22 10:17:19,391 INFO L575 CodeCheckObserver]: Invariant with dag size 6 [2019-10-22 10:17:19,399 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:17:19,399 INFO L575 CodeCheckObserver]: Invariant with dag size 6 [2019-10-22 10:17:19,400 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:19,400 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:19,400 INFO L575 CodeCheckObserver]: Invariant with dag size 6 [2019-10-22 10:17:19,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:19 ImpRootNode [2019-10-22 10:17:19,401 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:19,401 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:19,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:19,401 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:19,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:58" (3/4) ... [2019-10-22 10:17:19,415 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:17:19,430 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:17:19,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:17:19,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2880003-718d-4b18-89be-035c253c67ed/bin/ukojak/witness.graphml [2019-10-22 10:17:19,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:19,566 INFO L168 Benchmark]: Toolchain (without parser) took 22638.36 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 490.2 MB). Free memory was 944.7 MB in the beginning and 1.4 GB in the end (delta: -470.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:19,568 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:19,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:19,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:19,569 INFO L168 Benchmark]: Boogie Preprocessor took 29.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:19,569 INFO L168 Benchmark]: RCFGBuilder took 706.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:19,570 INFO L168 Benchmark]: CodeCheck took 21287.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 343.9 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -370.1 MB). Peak memory consumption was 501.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:19,570 INFO L168 Benchmark]: Witness Printer took 162.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:19,571 INFO L335 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, 118 locations, 16 error locations. Result: SAFE, OverallTime: 21.0s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1687306304 SDtfs, -1994227632 SDslu, -1073739232 SDs, 0 SdLazy, -1363593724 SolverSat, -1022522376 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11992 GetRequests, 10528 SyntacticMatches, 1190 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75607 ImplicationChecksByTransitivity, 18.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 1307 NumberOfCodeBlocks, 1307 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1257 ConstructedInterpolants, 0 QuantifiedInterpolants, 140051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 46 PerfectInterpolantSequences, 8/14 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: 202]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 180]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 914]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 926]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 168]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 214]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 264]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 252]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 878]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 <= main__t && main__t + 1 <= main__tagbuf_len - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 9 <= main__t * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 706.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * CodeCheck took 21287.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 343.9 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -370.1 MB). Peak memory consumption was 501.1 MB. Max. memory is 11.5 GB. * Witness Printer took 162.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...