./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/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 0.2.0-69874e2 [2020-12-01 16:31:41,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:31:41,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:31:41,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:31:41,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:31:41,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:31:41,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:31:41,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:31:41,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:31:41,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:31:41,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:31:41,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:31:41,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:31:41,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:31:41,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:31:41,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:31:41,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:31:41,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:31:41,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:31:41,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:31:41,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:31:41,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:31:41,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:31:41,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:31:41,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:31:41,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:31:41,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:31:41,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:31:41,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:31:41,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:31:41,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:31:41,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:31:41,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:31:41,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:31:41,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:31:41,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:31:41,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:31:41,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:31:41,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:31:41,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:31:41,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:31:41,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:31:41,953 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:31:41,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:31:41,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:31:41,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:31:41,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:31:41,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:31:41,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:31:41,959 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:31:41,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:31:41,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:31:41,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:31:41,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:31:41,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:31:41,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:31:41,963 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:31:41,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:31:41,964 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:31:41,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:31:41,965 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:31:41,965 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:31:41,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:31:41,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:31:41,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:31:41,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:31:41,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:31:41,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:31:41,968 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:31:41,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:31:41,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:31:41,971 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_f2c19d34-a719-4822-b41a-5a0962bc94ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 824208f274d2d6c45e48ee13ea25c1f3ab36296a [2020-12-01 16:31:42,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:31:42,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:31:42,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:31:42,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:31:42,422 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:31:42,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2020-12-01 16:31:42,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/data/8cd3160c0/b3fe755641f94152bc4981be817347bd/FLAG5b44bb98d [2020-12-01 16:31:43,225 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:31:43,226 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2020-12-01 16:31:43,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/data/8cd3160c0/b3fe755641f94152bc4981be817347bd/FLAG5b44bb98d [2020-12-01 16:31:43,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/data/8cd3160c0/b3fe755641f94152bc4981be817347bd [2020-12-01 16:31:43,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:31:43,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:31:43,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:43,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:31:43,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:31:43,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3748204f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43, skipping insertion in model container [2020-12-01 16:31:43,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:31:43,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:31:43,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:43,888 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:31:43,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:43,932 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:31:43,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43 WrapperNode [2020-12-01 16:31:43,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:43,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:43,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:31:43,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:31:43,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:43,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:31:43,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:31:43,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:31:43,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:44,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:44,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:44,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:44,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:44,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:44,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:31:44,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:31:44,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:31:44,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:31:44,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/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 16:31:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:31:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:31:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:31:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:31:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 16:31:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 16:31:44,638 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:31:44,639 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-01 16:31:44,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44 BoogieIcfgContainer [2020-12-01 16:31:44,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:31:44,644 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:31:44,644 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:31:44,670 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:31:44,679 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44" (1/1) ... [2020-12-01 16:31:44,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:31:44,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2020-12-01 16:31:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2020-12-01 16:31:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 16:31:44,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2020-12-01 16:31:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2020-12-01 16:31:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:31:44,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:45,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:31:45,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2020-12-01 16:31:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2020-12-01 16:31:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 16:31:45,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:45,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-01 16:31:45,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2020-12-01 16:31:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2020-12-01 16:31:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:31:45,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:46,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-01 16:31:46,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2020-12-01 16:31:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2020-12-01 16:31:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:31:47,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:47,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 16:31:47,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:31:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2020-12-01 16:31:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2020-12-01 16:31:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:31:47,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:47,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 16:31:47,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2020-12-01 16:31:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2020-12-01 16:31:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:31:48,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:48,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:31:48,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:31:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 50 states and 109 transitions. [2020-12-01 16:31:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 109 transitions. [2020-12-01 16:31:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:31:50,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 16:31:50,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:31:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 54 states and 119 transitions. [2020-12-01 16:31:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 119 transitions. [2020-12-01 16:31:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:31:51,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:51,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 16:31:51,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:31:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 56 states and 131 transitions. [2020-12-01 16:31:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 131 transitions. [2020-12-01 16:31:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:31:52,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:52,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 16:31:52,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:31:54,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 60 states and 152 transitions. [2020-12-01 16:31:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 152 transitions. [2020-12-01 16:31:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:31:54,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:54,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 16:31:54,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 16:31:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 70 states and 179 transitions. [2020-12-01 16:31:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 179 transitions. [2020-12-01 16:31:59,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:31:59,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:59,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:31:59,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:31:59,666 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:32:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 247 transitions. [2020-12-01 16:32:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 247 transitions. [2020-12-01 16:32:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:32:04,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:04,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:32:04,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:32:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:32:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 249 transitions. [2020-12-01 16:32:06,021 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 249 transitions. [2020-12-01 16:32:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:32:06,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:06,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:32:06,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:32:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:32:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 92 states and 255 transitions. [2020-12-01 16:32:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 255 transitions. [2020-12-01 16:32:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:32:07,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:07,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:32:07,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:32:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 16:32:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 93 states and 260 transitions. [2020-12-01 16:32:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 260 transitions. [2020-12-01 16:32:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:32:10,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:10,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 27 conjunts are in the unsatisfiable core [2020-12-01 16:32:10,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:32:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 16:32:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 100 states and 274 transitions. [2020-12-01 16:32:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 274 transitions. [2020-12-01 16:32:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:32:15,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:15,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:32:15,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:32:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 16:32:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 37 states and 46 transitions. [2020-12-01 16:32:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2020-12-01 16:32:17,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:32:17,012 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2020-12-01 16:32:17,023 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:32:17,379 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 20 [2020-12-01 16:32:17,641 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-12-01 16:32:17,792 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2020-12-01 16:32:17,792 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:17,797 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 16:32:17,819 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:17,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:32:17 ImpRootNode [2020-12-01 16:32:17,825 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:32:17,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:32:17,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:32:17,829 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:32:17,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44" (3/4) ... [2020-12-01 16:32:17,834 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:32:17,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-12-01 16:32:17,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 16:32:17,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:32:17,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:32:17,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:32:17,912 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f2c19d34-a719-4822-b41a-5a0962bc94ca/bin/ukojak/witness.graphml [2020-12-01 16:32:17,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:32:17,914 INFO L168 Benchmark]: Toolchain (without parser) took 34357.49 ms. Allocated memory was 113.2 MB in the beginning and 436.2 MB in the end (delta: 323.0 MB). Free memory was 89.2 MB in the beginning and 244.4 MB in the end (delta: -155.2 MB). Peak memory consumption was 168.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:17,915 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 113.2 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:17,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.20 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 89.7 MB in the end (delta: -1.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:17,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.24 ms. Allocated memory is still 113.2 MB. Free memory was 89.7 MB in the beginning and 88.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:17,918 INFO L168 Benchmark]: Boogie Preprocessor took 42.02 ms. Allocated memory is still 113.2 MB. Free memory was 88.1 MB in the beginning and 87.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:17,919 INFO L168 Benchmark]: RCFGBuilder took 617.47 ms. Allocated memory is still 113.2 MB. Free memory was 87.1 MB in the beginning and 68.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:17,920 INFO L168 Benchmark]: CodeCheck took 33181.24 ms. Allocated memory was 113.2 MB in the beginning and 436.2 MB in the end (delta: 323.0 MB). Free memory was 68.3 MB in the beginning and 247.5 MB in the end (delta: -179.3 MB). Peak memory consumption was 145.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:17,926 INFO L168 Benchmark]: Witness Printer took 85.28 ms. Allocated memory is still 436.2 MB. Free memory was 246.5 MB in the beginning and 244.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:17,930 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: 32.2s, OverallIterations: 18, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1507840 SDtfs, 56568 SDslu, 153088 SDs, 0 SdLazy, 2456370 SolverSat, 805898 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5516 GetRequests, 5104 SyntacticMatches, 124 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39190 ImplicationChecksByTransitivity, 27.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 469 ConstructedInterpolants, 0 QuantifiedInterpolants, 52986 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1774 ConjunctsInSsa, 187 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 570/591 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 <= r || !((1 <= y && a == 1) && b == y)) || 1 < counter) || !(x == r + q * y) - 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 0.50 ms. Allocated memory is still 113.2 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 374.20 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 89.7 MB in the end (delta: -1.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.24 ms. Allocated memory is still 113.2 MB. Free memory was 89.7 MB in the beginning and 88.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.02 ms. Allocated memory is still 113.2 MB. Free memory was 88.1 MB in the beginning and 87.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 617.47 ms. Allocated memory is still 113.2 MB. Free memory was 87.1 MB in the beginning and 68.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 33181.24 ms. Allocated memory was 113.2 MB in the beginning and 436.2 MB in the end (delta: 323.0 MB). Free memory was 68.3 MB in the beginning and 247.5 MB in the end (delta: -179.3 MB). Peak memory consumption was 145.7 MB. Max. memory is 16.1 GB. * Witness Printer took 85.28 ms. Allocated memory is still 436.2 MB. Free memory was 246.5 MB in the beginning and 244.4 MB in the end (delta: 2.1 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...