./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/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 231a10bb05ed6dc00d2658e900a2b37af0aae558 ....................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:56:36,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:56:36,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:56:36,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:56:36,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:56:36,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:56:36,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:56:36,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:56:36,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:56:36,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:56:36,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:56:36,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:56:36,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:56:36,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:56:36,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:56:36,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:56:36,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:56:36,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:56:36,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:56:36,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:56:36,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:56:36,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:56:36,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:56:36,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:56:36,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:56:36,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:56:36,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:56:36,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:56:36,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:56:36,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:56:36,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:56:36,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:56:36,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:56:36,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:56:36,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:56:36,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:56:36,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:56:36,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:56:36,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:56:36,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:56:36,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:56:36,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:56:36,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:56:36,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:56:36,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:56:36,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:56:36,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:56:36,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:56:36,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:56:36,915 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:56:36,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:56:36,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:56:36,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:56:36,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:56:36,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:56:36,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:56:36,917 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:56:36,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:56:36,918 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:56:36,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:56:36,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:56:36,919 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:56:36,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:56:36,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:56:36,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:56:36,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:56:36,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:56:36,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:56:36,921 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:56:36,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:56:36,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:56:36,922 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_508b1899-c825-43ee-9355-deaf9212c441/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 231a10bb05ed6dc00d2658e900a2b37af0aae558 [2020-12-01 17:56:37,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:56:37,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:56:37,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:56:37,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:56:37,351 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:56:37,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2020-12-01 17:56:37,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/data/993b40376/854e06a016f249a2b9da7c0ff975d581/FLAGd4a002efc [2020-12-01 17:56:38,205 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:56:38,210 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2020-12-01 17:56:38,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/data/993b40376/854e06a016f249a2b9da7c0ff975d581/FLAGd4a002efc [2020-12-01 17:56:38,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/data/993b40376/854e06a016f249a2b9da7c0ff975d581 [2020-12-01 17:56:38,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:56:38,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:56:38,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:56:38,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:56:38,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:56:38,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0dcd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38, skipping insertion in model container [2020-12-01 17:56:38,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:56:38,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:56:38,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:56:38,851 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:56:38,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:56:38,892 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:56:38,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38 WrapperNode [2020-12-01 17:56:38,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:56:38,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:56:38,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:56:38,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:56:38,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:56:38,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:56:38,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:56:38,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:56:38,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:38,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... [2020-12-01 17:56:39,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:56:39,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:56:39,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:56:39,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:56:39,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:56:39,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:56:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:56:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:56:39,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:56:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:56:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:56:39,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:56:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:56:39,587 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:56:39,588 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 17:56:39,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:56:39 BoogieIcfgContainer [2020-12-01 17:56:39,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:56:39,592 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:56:39,592 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:56:39,606 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:56:39,606 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:56:39" (1/1) ... [2020-12-01 17:56:39,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:56:39,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2020-12-01 17:56:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2020-12-01 17:56:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:56:39,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:40,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 17:56:40,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:56:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 52 transitions. [2020-12-01 17:56:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2020-12-01 17:56:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:56:40,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:40,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 17:56:40,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:56:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 59 transitions. [2020-12-01 17:56:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2020-12-01 17:56:41,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:56:41,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:42,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 17:56:42,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:56:42,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:42,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 63 transitions. [2020-12-01 17:56:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2020-12-01 17:56:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:56:42,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:42,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 17:56:42,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:56:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 69 transitions. [2020-12-01 17:56:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2020-12-01 17:56:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:56:43,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:43,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 17:56:43,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 17:56:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 44 states and 74 transitions. [2020-12-01 17:56:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2020-12-01 17:56:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:56:43,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:43,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:56:43,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:43,798 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:56:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 80 transitions. [2020-12-01 17:56:44,462 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2020-12-01 17:56:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:56:44,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:44,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:56:44,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:44,807 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 17:56:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 50 states and 91 transitions. [2020-12-01 17:56:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2020-12-01 17:56:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:56:45,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:45,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 17:56:45,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 17:56:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 95 transitions. [2020-12-01 17:56:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2020-12-01 17:56:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:56:45,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:45,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2020-12-01 17:56:45,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:56:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 116 transitions. [2020-12-01 17:56:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 116 transitions. [2020-12-01 17:56:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:56:48,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:48,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2020-12-01 17:56:48,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:56:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 65 states and 119 transitions. [2020-12-01 17:56:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 119 transitions. [2020-12-01 17:56:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:56:49,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:49,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 17:56:49,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:50,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:56:50,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:56:50,165 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:56:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:56:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 75 states and 141 transitions. [2020-12-01 17:56:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2020-12-01 17:56:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:56:52,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:52,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-01 17:56:52,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-01 17:56:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 148 transitions. [2020-12-01 17:56:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 148 transitions. [2020-12-01 17:56:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:56:53,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:53,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-01 17:56:53,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:54,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:56:54,276 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 17:56:54,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:56:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-12-01 17:56:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 82 states and 152 transitions. [2020-12-01 17:56:55,442 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2020-12-01 17:56:55,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:56:55,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:55,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-01 17:56:55,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:56:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 44 proven. 13 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-12-01 17:56:58,554 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-01 17:57:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 94 states and 173 transitions. [2020-12-01 17:57:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 173 transitions. [2020-12-01 17:57:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 17:57:01,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:01,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 17:57:01,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:57:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-12-01 17:57:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 40 states and 56 transitions. [2020-12-01 17:57:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-12-01 17:57:03,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:57:03,391 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2020-12-01 17:57:03,401 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:57:03,660 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2020-12-01 17:57:03,988 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2020-12-01 17:57:04,149 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2020-12-01 17:57:04,163 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:57:04,164 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:57:04,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:57:04 ImpRootNode [2020-12-01 17:57:04,164 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:57:04,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:57:04,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:57:04,166 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:57:04,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:56:39" (3/4) ... [2020-12-01 17:57:04,170 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:57:04,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2020-12-01 17:57:04,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-12-01 17:57:04,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-12-01 17:57:04,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:57:04,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:57:04,184 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:57:04,253 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_508b1899-c825-43ee-9355-deaf9212c441/bin/ukojak/witness.graphml [2020-12-01 17:57:04,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:57:04,255 INFO L168 Benchmark]: Toolchain (without parser) took 25715.62 ms. Allocated memory was 102.8 MB in the beginning and 264.2 MB in the end (delta: 161.5 MB). Free memory was 72.9 MB in the beginning and 140.2 MB in the end (delta: -67.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:04,255 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:57:04,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.51 ms. Allocated memory is still 102.8 MB. Free memory was 72.6 MB in the beginning and 79.7 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:04,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.38 ms. Allocated memory is still 102.8 MB. Free memory was 79.7 MB in the beginning and 78.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:04,257 INFO L168 Benchmark]: Boogie Preprocessor took 58.08 ms. Allocated memory is still 102.8 MB. Free memory was 78.4 MB in the beginning and 77.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:57:04,258 INFO L168 Benchmark]: RCFGBuilder took 588.72 ms. Allocated memory is still 102.8 MB. Free memory was 77.1 MB in the beginning and 60.1 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:04,258 INFO L168 Benchmark]: CodeCheck took 24572.55 ms. Allocated memory was 102.8 MB in the beginning and 264.2 MB in the end (delta: 161.5 MB). Free memory was 60.1 MB in the beginning and 143.3 MB in the end (delta: -83.2 MB). Peak memory consumption was 80.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:04,259 INFO L168 Benchmark]: Witness Printer took 88.01 ms. Allocated memory is still 264.2 MB. Free memory was 143.3 MB in the beginning and 140.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:04,263 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 3 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.7s, OverallIterations: 16, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 620608 SDtfs, 173416 SDslu, 155264 SDs, 0 SdLazy, 1397228 SolverSat, 424312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5814 GetRequests, 5551 SyntacticMatches, 75 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17099 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 693 NumberOfCodeBlocks, 693 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 678 ConstructedInterpolants, 0 QuantifiedInterpolants, 125576 SizeOfPredicates, 60 NumberOfNonLiveVariables, 2009 ConjunctsInSsa, 305 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 1124/1183 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: 47]: Loop Invariant Derived loop invariant: ((1 <= r || !(x == r + q * y)) || !((a == 1 && b == y) && y <= 2)) || y <= b / 2 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.51 ms. Allocated memory is still 102.8 MB. Free memory was 72.6 MB in the beginning and 79.7 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.38 ms. Allocated memory is still 102.8 MB. Free memory was 79.7 MB in the beginning and 78.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.08 ms. Allocated memory is still 102.8 MB. Free memory was 78.4 MB in the beginning and 77.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 588.72 ms. Allocated memory is still 102.8 MB. Free memory was 77.1 MB in the beginning and 60.1 MB in the end (delta: 17.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 24572.55 ms. Allocated memory was 102.8 MB in the beginning and 264.2 MB in the end (delta: 161.5 MB). Free memory was 60.1 MB in the beginning and 143.3 MB in the end (delta: -83.2 MB). Peak memory consumption was 80.4 MB. Max. memory is 16.1 GB. * Witness Printer took 88.01 ms. Allocated memory is still 264.2 MB. Free memory was 143.3 MB in the beginning and 140.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...