./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8a6493762f89d18a23d3a0b9dc19677bd5f4752 .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:41:06,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:41:06,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:41:06,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:41:06,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:41:06,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:41:06,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:41:06,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:41:06,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:41:06,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:41:06,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:41:06,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:41:06,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:41:06,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:41:06,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:41:06,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:41:06,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:41:06,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:41:06,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:41:06,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:41:06,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:41:06,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:41:06,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:41:06,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:41:06,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:41:06,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:41:06,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:41:06,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:41:06,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:41:06,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:41:06,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:41:06,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:41:06,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:41:06,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:41:06,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:41:06,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:41:06,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:41:06,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:41:06,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:41:06,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:41:06,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:41:06,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 04:41:06,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:41:06,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:41:06,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 04:41:06,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 04:41:06,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:41:06,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:41:06,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:41:06,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:41:06,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:41:06,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:41:06,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:41:06,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:41:06,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:41:06,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:41:06,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:41:06,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:41:06,150 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:41:06,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:41:06,150 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:41:06,151 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:41:06,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:41:06,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:41:06,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:41:06,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:41:06,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:41:06,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:41:06,152 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 04:41:06,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:41:06,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:41:06,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a6493762f89d18a23d3a0b9dc19677bd5f4752 [2019-11-20 04:41:06,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:41:06,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:41:06,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:41:06,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:41:06,324 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:41:06,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-11-20 04:41:06,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/data/3526bc7dc/848949341e224efc86b0ed57909844d8/FLAG343cae357 [2019-11-20 04:41:06,751 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:41:06,751 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-11-20 04:41:06,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/data/3526bc7dc/848949341e224efc86b0ed57909844d8/FLAG343cae357 [2019-11-20 04:41:07,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/data/3526bc7dc/848949341e224efc86b0ed57909844d8 [2019-11-20 04:41:07,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:41:07,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:41:07,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:41:07,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:41:07,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:41:07,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fd9463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07, skipping insertion in model container [2019-11-20 04:41:07,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,185 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:41:07,201 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:41:07,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:41:07,397 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:41:07,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:41:07,510 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:41:07,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07 WrapperNode [2019-11-20 04:41:07,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:41:07,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:41:07,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:41:07,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:41:07,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:41:07,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:41:07,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:41:07,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:41:07,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:41:07,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:41:07,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:41:07,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:41:07,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:41:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:41:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:41:07,795 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:41:07,795 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 04:41:07,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:07 BoogieIcfgContainer [2019-11-20 04:41:07,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:41:07,797 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:41:07,797 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:41:07,818 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:41:07,818 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:07" (1/1) ... [2019-11-20 04:41:07,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:41:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-11-20 04:41:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-11-20 04:41:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 04:41:07,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2019-11-20 04:41:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2019-11-20 04:41:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 04:41:08,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:08,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2019-11-20 04:41:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2019-11-20 04:41:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 04:41:08,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2019-11-20 04:41:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2019-11-20 04:41:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 04:41:08,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2019-11-20 04:41:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-11-20 04:41:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 04:41:08,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2019-11-20 04:41:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2019-11-20 04:41:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 04:41:09,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2019-11-20 04:41:09,525 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2019-11-20 04:41:09,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 04:41:09,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:09,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2019-11-20 04:41:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2019-11-20 04:41:09,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 04:41:09,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2019-11-20 04:41:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2019-11-20 04:41:10,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:41:10,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2019-11-20 04:41:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2019-11-20 04:41:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 04:41:10,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:10,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2019-11-20 04:41:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2019-11-20 04:41:10,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:41:10,885 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2019-11-20 04:41:10,893 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 04:41:11,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:11,027 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2019-11-20 04:41:11,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:41:11 ImpRootNode [2019-11-20 04:41:11,034 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 04:41:11,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:41:11,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:41:11,034 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:41:11,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:07" (3/4) ... [2019-11-20 04:41:11,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:41:11,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 04:41:11,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:41:11,090 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_00bc3564-1436-4588-bafd-124d9766f86a/bin/ukojak/witness.graphml [2019-11-20 04:41:11,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:41:11,092 INFO L168 Benchmark]: Toolchain (without parser) took 3920.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 997.4 MB in the end (delta: -52.6 MB). Peak memory consumption was 89.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:11,093 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:41:11,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:11,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:41:11,094 INFO L168 Benchmark]: Boogie Preprocessor took 27.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:11,095 INFO L168 Benchmark]: RCFGBuilder took 225.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:11,095 INFO L168 Benchmark]: CodeCheck took 3236.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:11,096 INFO L168 Benchmark]: Witness Printer took 56.28 ms. Allocated memory is still 1.2 GB. Free memory was 999.1 MB in the beginning and 997.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:11,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5632 SDtfs, 5116 SDslu, 7160 SDs, 0 SdLazy, 19946 SolverSat, 7674 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1433 GetRequests, 1256 SyntacticMatches, 117 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 17190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/330 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: 52]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((main__x + 71 <= 6 * main__y || main__x + 60 <= 4 * main__y) || main__x + 105 <= 10 * main__y) || main__x + 51 <= main__y) || main__x + 86 <= 8 * main__y) || main__x + 53 <= 2 * main__y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 225.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * CodeCheck took 3236.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 120.7 MB). Peak memory consumption was 120.7 MB. Max. memory is 11.5 GB. * Witness Printer took 56.28 ms. Allocated memory is still 1.2 GB. Free memory was 999.1 MB in the beginning and 997.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...