./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_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_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/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 824208f274d2d6c45e48ee13ea25c1f3ab36296a ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:20,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:20,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:20,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:20,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:20,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:20,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:20,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:20,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:20,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:20,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:20,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:20,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:20,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:20,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:20,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:20,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:20,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:20,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:20,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:20,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:20,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:20,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:20,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:20,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:20,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:20,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:20,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:20,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:20,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:20,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:20,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:20,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:20,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:20,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:20,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:20,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:20,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:20,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:20,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:20,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:20,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:20,735 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:20,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:20,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:20,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:20,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:20,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:20,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:20,739 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:20,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:20,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:20,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:20,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:20,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:20,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:20,741 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:20,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:20,742 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:20,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:20,742 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:20,742 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:20,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:20,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:20,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:20,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:20,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:20,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:20,744 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:20,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:20,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:20,746 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_1709847a-2938-43b2-abf2-b4b376c5623f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 824208f274d2d6c45e48ee13ea25c1f3ab36296a [2020-11-28 04:44:21,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:21,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:21,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:21,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:21,072 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:21,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2020-11-28 04:44:21,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/data/741cdd6a0/780a5b41dbf64308b45708e33c9b0425/FLAG7dc56ae1b [2020-11-28 04:44:21,608 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:21,609 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2020-11-28 04:44:21,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/data/741cdd6a0/780a5b41dbf64308b45708e33c9b0425/FLAG7dc56ae1b [2020-11-28 04:44:21,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/data/741cdd6a0/780a5b41dbf64308b45708e33c9b0425 [2020-11-28 04:44:21,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:21,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:22,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:22,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:22,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:21" (1/1) ... [2020-11-28 04:44:22,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a40a524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22, skipping insertion in model container [2020-11-28 04:44:22,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:21" (1/1) ... [2020-11-28 04:44:22,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:22,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:22,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,287 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:22,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,320 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:22,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22 WrapperNode [2020-11-28 04:44:22,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:22,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:22,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:22,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:22,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:22,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:22,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:22,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/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 04:44:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-28 04:44:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-28 04:44:23,098 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:23,098 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 04:44:23,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23 BoogieIcfgContainer [2020-11-28 04:44:23,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:23,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:23,104 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:23,115 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:23,115 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2020-11-28 04:44:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2020-11-28 04:44:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:44:23,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,305 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 04:44:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2020-11-28 04:44:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2020-11-28 04:44:23,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:44:23,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:44:23,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:23,442 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 04:44:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2020-11-28 04:44:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2020-11-28 04:44:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:44:23,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 04:44:23,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2020-11-28 04:44:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2020-11-28 04:44:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:44:24,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 04:44:24,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:24,186 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 04:44:24,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2020-11-28 04:44:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2020-11-28 04:44:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:44:24,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:44:24,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2020-11-28 04:44:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2020-11-28 04:44:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:25,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:44:25,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:25,707 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 04:44:25,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2020-11-28 04:44:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2020-11-28 04:44:25,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:25,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 04:44:25,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 104 transitions. [2020-11-28 04:44:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 104 transitions. [2020-11-28 04:44:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:27,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:27,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:44:27,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:44:28,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 53 states and 114 transitions. [2020-11-28 04:44:28,645 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 114 transitions. [2020-11-28 04:44:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:28,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 04:44:28,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:28,845 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 04:44:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-28 04:44:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 59 states and 136 transitions. [2020-11-28 04:44:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 136 transitions. [2020-11-28 04:44:30,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:44:30,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:30,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 04:44:30,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:30,713 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 04:44:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 163 transitions. [2020-11-28 04:44:32,318 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 163 transitions. [2020-11-28 04:44:32,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:32,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:32,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 04:44:32,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 04:44:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 193 transitions. [2020-11-28 04:44:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 193 transitions. [2020-11-28 04:44:35,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:35,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:44:35,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 04:44:39,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 91 states and 263 transitions. [2020-11-28 04:44:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 263 transitions. [2020-11-28 04:44:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:39,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:44:39,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 04:44:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 93 states and 265 transitions. [2020-11-28 04:44:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 265 transitions. [2020-11-28 04:44:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:44:40,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:40,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:44:40,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 97 states and 269 transitions. [2020-11-28 04:44:41,671 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 269 transitions. [2020-11-28 04:44:41,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:41,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 04:44:41,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-28 04:44:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 98 states and 274 transitions. [2020-11-28 04:44:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 274 transitions. [2020-11-28 04:44:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:43,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-28 04:44:43,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 04:44:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 111 states and 300 transitions. [2020-11-28 04:44:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 300 transitions. [2020-11-28 04:44:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:50,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 04:44:50,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:44:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-28 04:44:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 37 states and 46 transitions. [2020-11-28 04:44:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-11-28 04:44:51,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:51,769 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2020-11-28 04:44:51,775 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:52,124 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 13 [2020-11-28 04:44:52,244 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2020-11-28 04:44:52,244 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:52,247 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:52,247 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:52,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:52 ImpRootNode [2020-11-28 04:44:52,247 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:52,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:52,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:52,248 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:52,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23" (3/4) ... [2020-11-28 04:44:52,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:52,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-11-28 04:44:52,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-28 04:44:52,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:44:52,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:52,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:52,308 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1709847a-2938-43b2-abf2-b4b376c5623f/bin/ukojak/witness.graphml [2020-11-28 04:44:52,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:52,310 INFO L168 Benchmark]: Toolchain (without parser) took 30310.10 ms. Allocated memory was 117.4 MB in the beginning and 446.7 MB in the end (delta: 329.3 MB). Free memory was 85.8 MB in the beginning and 232.8 MB in the end (delta: -147.0 MB). Peak memory consumption was 181.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:52,310 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 42.1 MB in the beginning and 42.0 MB in the end (delta: 67.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:52,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.85 ms. Allocated memory is still 117.4 MB. Free memory was 85.8 MB in the beginning and 94.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:52,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.39 ms. Allocated memory is still 117.4 MB. Free memory was 94.2 MB in the beginning and 92.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:52,312 INFO L168 Benchmark]: Boogie Preprocessor took 23.35 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 92.1 MB in the end (delta: 639.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:52,312 INFO L168 Benchmark]: RCFGBuilder took 719.95 ms. Allocated memory is still 117.4 MB. Free memory was 92.1 MB in the beginning and 73.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:52,313 INFO L168 Benchmark]: CodeCheck took 29143.75 ms. Allocated memory was 117.4 MB in the beginning and 446.7 MB in the end (delta: 329.3 MB). Free memory was 73.2 MB in the beginning and 235.9 MB in the end (delta: -162.7 MB). Peak memory consumption was 169.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:52,316 INFO L168 Benchmark]: Witness Printer took 60.79 ms. Allocated memory is still 446.7 MB. Free memory was 235.9 MB in the beginning and 232.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:52,319 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, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.6s, OverallIterations: 18, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1506816 SDtfs, 53468 SDslu, 153600 SDs, 0 SdLazy, 2431870 SolverSat, 811858 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5586 GetRequests, 5154 SyntacticMatches, 124 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44575 ImplicationChecksByTransitivity, 24.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 469 ConstructedInterpolants, 0 QuantifiedInterpolants, 48165 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1774 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 571/592 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: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 42.1 MB in the beginning and 42.0 MB in the end (delta: 67.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 317.85 ms. Allocated memory is still 117.4 MB. Free memory was 85.8 MB in the beginning and 94.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.39 ms. Allocated memory is still 117.4 MB. Free memory was 94.2 MB in the beginning and 92.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.35 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 92.1 MB in the end (delta: 639.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 719.95 ms. Allocated memory is still 117.4 MB. Free memory was 92.1 MB in the beginning and 73.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 29143.75 ms. Allocated memory was 117.4 MB in the beginning and 446.7 MB in the end (delta: 329.3 MB). Free memory was 73.2 MB in the beginning and 235.9 MB in the end (delta: -162.7 MB). Peak memory consumption was 169.5 MB. Max. memory is 16.1 GB. * Witness Printer took 60.79 ms. Allocated memory is still 446.7 MB. Free memory was 235.9 MB in the beginning and 232.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...