./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/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 e095661a00784e6d7da38858d8505be229f1ade1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:39:45,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:45,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:45,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:45,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:45,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:45,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:45,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:45,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:45,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:45,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:45,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:45,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:45,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:45,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:45,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:45,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:45,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:45,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:45,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:45,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:45,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:45,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:45,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:45,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:45,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:45,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:45,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:45,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:45,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:45,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:45,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:45,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:45,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:45,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:45,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:45,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:45,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:45,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:45,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:45,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:45,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:45,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:45,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:45,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:45,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:45,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:45,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:45,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:45,515 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:45,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:45,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:45,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:45,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:45,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:45,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:45,517 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:45,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:45,517 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:45,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:45,517 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:45,518 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:45,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:45,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:45,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:45,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:45,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:45,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:45,519 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:45,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:45,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:45,520 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_8f346006-6feb-452d-914a-4962bcca1d07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e095661a00784e6d7da38858d8505be229f1ade1 [2020-11-28 04:39:45,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:45,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:45,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:45,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:45,805 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:45,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2020-11-28 04:39:45,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/data/bf3c9e72b/2d48f5faa2e9472e822d251d1e0e08c2/FLAGd5efba724 [2020-11-28 04:39:46,313 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:46,314 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2020-11-28 04:39:46,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/data/bf3c9e72b/2d48f5faa2e9472e822d251d1e0e08c2/FLAGd5efba724 [2020-11-28 04:39:46,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/data/bf3c9e72b/2d48f5faa2e9472e822d251d1e0e08c2 [2020-11-28 04:39:46,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:46,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:46,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:46,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:46,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:46,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:46" (1/1) ... [2020-11-28 04:39:46,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755afbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:46, skipping insertion in model container [2020-11-28 04:39:46,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:46" (1/1) ... [2020-11-28 04:39:46,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:46,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:47,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:47,017 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:47,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:47,049 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:47,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47 WrapperNode [2020-11-28 04:39:47,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:47,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:47,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:47,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:47,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:47,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:47,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:47,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:47,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:47,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:47,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:47,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:47,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-28 04:39:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-28 04:39:47,679 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:47,679 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 04:39:47,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:47 BoogieIcfgContainer [2020-11-28 04:39:47,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:47,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:47,682 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:47,691 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:47,692 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:47" (1/1) ... [2020-11-28 04:39:47,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:47,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2020-11-28 04:39:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2020-11-28 04:39:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:47,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2020-11-28 04:39:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2020-11-28 04:39:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:47,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2020-11-28 04:39:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2020-11-28 04:39:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:48,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2020-11-28 04:39:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-11-28 04:39:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:39:48,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2020-11-28 04:39:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2020-11-28 04:39:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:39:49,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:49,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 04:39:49,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2020-11-28 04:39:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2020-11-28 04:39:50,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:39:50,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 04:39:50,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 04:39:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 72 transitions. [2020-11-28 04:39:51,073 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2020-11-28 04:39:51,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:39:51,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:51,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 04:39:51,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 04:39:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 106 transitions. [2020-11-28 04:39:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2020-11-28 04:39:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:39:52,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 04:39:52,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 04:39:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 108 transitions. [2020-11-28 04:39:53,148 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 108 transitions. [2020-11-28 04:39:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:39:53,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:53,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:39:53,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:39:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 59 states and 122 transitions. [2020-11-28 04:39:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 122 transitions. [2020-11-28 04:39:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:39:54,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:54,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 04:39:54,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:54,761 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:39:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 124 transitions. [2020-11-28 04:39:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2020-11-28 04:39:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:39:55,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:55,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 04:39:55,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 04:39:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 67 states and 144 transitions. [2020-11-28 04:39:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2020-11-28 04:39:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:39:57,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:57,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 04:39:57,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 04:39:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 69 states and 145 transitions. [2020-11-28 04:39:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 145 transitions. [2020-11-28 04:39:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:39:58,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:58,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 04:39:58,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:39:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:40:00,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 75 states and 166 transitions. [2020-11-28 04:40:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 166 transitions. [2020-11-28 04:40:00,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:40:00,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:00,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:40:00,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:40:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 04:40:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 77 states and 172 transitions. [2020-11-28 04:40:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 172 transitions. [2020-11-28 04:40:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:40:01,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:01,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 04:40:01,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:40:01,690 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 04:40:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 79 states and 178 transitions. [2020-11-28 04:40:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 178 transitions. [2020-11-28 04:40:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:40:02,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:02,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:40:02,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:40:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-28 04:40:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:06,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 93 states and 238 transitions. [2020-11-28 04:40:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 238 transitions. [2020-11-28 04:40:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:40:06,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:06,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:40:06,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:40:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-28 04:40:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:08,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 96 states and 246 transitions. [2020-11-28 04:40:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 246 transitions. [2020-11-28 04:40:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:40:08,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:08,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:40:08,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:40:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-28 04:40:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:09,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 63 states and 149 transitions. [2020-11-28 04:40:09,212 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 149 transitions. [2020-11-28 04:40:09,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:40:09,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:09,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 04:40:09,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:40:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-28 04:40:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 49 states and 83 transitions. [2020-11-28 04:40:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2020-11-28 04:40:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:40:10,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:10,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:40:10,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:40:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-28 04:40:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 46 states and 77 transitions. [2020-11-28 04:40:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2020-11-28 04:40:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:40:11,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:11,383 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:40:11,400 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:40:11,443 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2020-11-28 04:40:11,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:40:11 ImpRootNode [2020-11-28 04:40:11,510 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:40:11,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:40:11,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:40:11,511 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:40:11,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:47" (3/4) ... [2020-11-28 04:40:11,513 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:40:11,660 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f346006-6feb-452d-914a-4962bcca1d07/bin/ukojak/witness.graphml [2020-11-28 04:40:11,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:40:11,662 INFO L168 Benchmark]: Toolchain (without parser) took 24944.92 ms. Allocated memory was 86.0 MB in the beginning and 299.9 MB in the end (delta: 213.9 MB). Free memory was 51.4 MB in the beginning and 165.5 MB in the end (delta: -114.1 MB). Peak memory consumption was 100.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:11,663 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 59.6 MB in the beginning and 59.6 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:11,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.41 ms. Allocated memory is still 86.0 MB. Free memory was 51.2 MB in the beginning and 61.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:11,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.29 ms. Allocated memory is still 86.0 MB. Free memory was 61.7 MB in the beginning and 60.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:11,668 INFO L168 Benchmark]: Boogie Preprocessor took 45.95 ms. Allocated memory is still 86.0 MB. Free memory was 60.2 MB in the beginning and 59.4 MB in the end (delta: 795.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:11,669 INFO L168 Benchmark]: RCFGBuilder took 539.11 ms. Allocated memory is still 86.0 MB. Free memory was 59.3 MB in the beginning and 42.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:11,674 INFO L168 Benchmark]: CodeCheck took 23827.88 ms. Allocated memory was 86.0 MB in the beginning and 299.9 MB in the end (delta: 213.9 MB). Free memory was 42.5 MB in the beginning and 169.7 MB in the end (delta: -127.2 MB). Peak memory consumption was 88.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:11,674 INFO L168 Benchmark]: Witness Printer took 149.70 ms. Allocated memory is still 299.9 MB. Free memory was 169.7 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:11,678 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 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 23.7s, OverallIterations: 21, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18777984 SDtfs, 2568038 SDslu, 4500112 SDs, 0 SdLazy, 20399600 SolverSat, 7503374 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6796 GetRequests, 6375 SyntacticMatches, 142 SemanticMatches, 279 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36459 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 573 ConstructedInterpolants, 0 QuantifiedInterpolants, 53125 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1813 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 20 InterpolantComputations, 15 PerfectInterpolantSequences, 797/817 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 - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] int counter = 0; [L24] int A, B; [L25] int r, d, p, q; [L26] A = __VERIFIER_nondet_int() [L27] B = 1 [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [counter=0] [L34] EXPR counter++ VAL [counter=1] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [counter=1] [L35] RET __VERIFIER_assert(q == 0) VAL [counter=1] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [counter=1] [L36] RET __VERIFIER_assert(r == A) VAL [counter=1] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [counter=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [counter=1] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [counter=1] [L34] EXPR counter++ VAL [counter=2] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [counter=2] [L35] RET __VERIFIER_assert(q == 0) VAL [counter=2] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [counter=2] [L36] RET __VERIFIER_assert(r == A) VAL [counter=2] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [counter=2] [L37] RET __VERIFIER_assert(d == B * p) VAL [counter=2] [L38] COND TRUE !(r >= d) VAL [counter=2] [L44] EXPR counter++ VAL [counter=3] [L44] COND FALSE !(counter++<2) [L58] CALL __VERIFIER_assert(A == d*q + r) VAL [counter=3] [L15] COND FALSE !(!(cond)) VAL [counter=3] [L58] RET __VERIFIER_assert(A == d*q + r) VAL [counter=3] [L59] CALL __VERIFIER_assert(B == d) VAL [counter=3] [L15] COND TRUE !(cond) VAL [counter=3] [L8] __assert_fail("0", "hard2.c", 8, "reach_error") VAL [counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 59.6 MB in the beginning and 59.6 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 320.41 ms. Allocated memory is still 86.0 MB. Free memory was 51.2 MB in the beginning and 61.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.29 ms. Allocated memory is still 86.0 MB. Free memory was 61.7 MB in the beginning and 60.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.95 ms. Allocated memory is still 86.0 MB. Free memory was 60.2 MB in the beginning and 59.4 MB in the end (delta: 795.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 539.11 ms. Allocated memory is still 86.0 MB. Free memory was 59.3 MB in the beginning and 42.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 23827.88 ms. Allocated memory was 86.0 MB in the beginning and 299.9 MB in the end (delta: 213.9 MB). Free memory was 42.5 MB in the beginning and 169.7 MB in the end (delta: -127.2 MB). Peak memory consumption was 88.9 MB. Max. memory is 16.1 GB. * Witness Printer took 149.70 ms. Allocated memory is still 299.9 MB. Free memory was 169.7 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...