./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI --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 6730d7e2d0ed6d5662ed2cfed2073e9880e52e7f1f28b9287feb3ffdee545a5a ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:07:52,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:07:52,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:07:52,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:07:52,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:07:52,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:07:52,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:07:52,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:07:52,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:07:52,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:07:52,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:07:52,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:07:52,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:07:52,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:07:52,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:07:52,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:07:52,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:07:52,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:07:52,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:07:52,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:07:52,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:07:52,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:07:52,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:07:52,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:07:52,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:07:52,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:07:52,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:07:52,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:07:52,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:07:52,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:07:52,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:07:52,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:07:52,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:07:52,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:07:52,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:07:52,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:07:52,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:07:52,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:07:52,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:07:52,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:07:52,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:07:52,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:07:52,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:07:52,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:07:52,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:07:52,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:07:52,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:07:52,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:07:52,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:07:52,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:07:52,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:07:52,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:07:52,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:07:52,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:07:52,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:07:52,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:07:52,732 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:07:52,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:07:52,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:07:52,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:07:52,733 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:07:52,733 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:07:52,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:07:52,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:07:52,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:07:52,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:07:52,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:07:52,735 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:07:52,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:07:52,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:07:52,736 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_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6730d7e2d0ed6d5662ed2cfed2073e9880e52e7f1f28b9287feb3ffdee545a5a [2021-10-29 04:07:53,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:07:53,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:07:53,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:07:53,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:07:53,152 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:07:53,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2021-10-29 04:07:53,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/data/67fba9ec5/e4ae3421ac934818b62641a0cc716fb7/FLAGcf5c051eb [2021-10-29 04:07:53,868 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:07:53,870 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2021-10-29 04:07:53,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/data/67fba9ec5/e4ae3421ac934818b62641a0cc716fb7/FLAGcf5c051eb [2021-10-29 04:07:54,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/data/67fba9ec5/e4ae3421ac934818b62641a0cc716fb7 [2021-10-29 04:07:54,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:07:54,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:07:54,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:07:54,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:07:54,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:07:54,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be05722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54, skipping insertion in model container [2021-10-29 04:07:54,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:07:54,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:07:54,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2021-10-29 04:07:54,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:07:54,520 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:07:54,539 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2021-10-29 04:07:54,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:07:54,582 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:07:54,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54 WrapperNode [2021-10-29 04:07:54,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:07:54,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:07:54,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:07:54,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:07:54,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:07:54,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:07:54,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:07:54,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:07:54,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:07:54,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:07:54,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:07:54,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:07:54,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:07:54" (1/1) ... [2021-10-29 04:07:54,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:07:54,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:07:54,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:07:54,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:07:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:07:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:07:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:07:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:07:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:07:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:07:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:07:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:07:55,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:07:55,169 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:07:55,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:07:55 BoogieIcfgContainer [2021-10-29 04:07:55,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:07:55,173 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:07:55,173 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:07:55,185 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:07:55,186 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:07:55" (1/1) ... [2021-10-29 04:07:55,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:07:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-10-29 04:07:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-10-29 04:07:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:07:55,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:55,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:07:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2021-10-29 04:07:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-10-29 04:07:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:07:55,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:55,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:55,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 04:07:55,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:07:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 33 transitions. [2021-10-29 04:07:56,209 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2021-10-29 04:07:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:07:56,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:56,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:56,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:07:56,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:07:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 36 transitions. [2021-10-29 04:07:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-10-29 04:07:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:07:56,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:56,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:57,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 04:07:57,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:07:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 44 transitions. [2021-10-29 04:07:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2021-10-29 04:07:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:07:57,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:57,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:58,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-29 04:07:58,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:07:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:07:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 51 transitions. [2021-10-29 04:07:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-29 04:07:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 04:07:58,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:58,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:58,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:07:58,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:08:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:08:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 27 states and 37 transitions. [2021-10-29 04:08:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-29 04:08:10,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:08:10,578 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-29 04:08:10,585 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:08:10,712 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:08:10,717 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:08:10,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:08:10 ImpRootNode [2021-10-29 04:08:10,718 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:08:10,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:08:10,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:08:10,720 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:08:10,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:07:55" (3/4) ... [2021-10-29 04:08:10,724 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:08:10,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 04:08:10,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:08:10,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 04:08:10,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:08:10,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:08:10,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:08:10,804 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:08:10,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:08:10,806 INFO L168 Benchmark]: Toolchain (without parser) took 16605.64 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 59.6 MB in the beginning and 42.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:08:10,807 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 75.8 MB in the beginning and 75.7 MB in the end (delta: 64.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:08:10,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.94 ms. Allocated memory is still 96.5 MB. Free memory was 59.4 MB in the beginning and 71.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:08:10,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.28 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 70.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:08:10,809 INFO L168 Benchmark]: Boogie Preprocessor took 52.51 ms. Allocated memory is still 96.5 MB. Free memory was 70.0 MB in the beginning and 69.2 MB in the end (delta: 826.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:08:10,810 INFO L168 Benchmark]: RCFGBuilder took 481.67 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 57.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:08:10,818 INFO L168 Benchmark]: CodeCheck took 15545.65 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 57.6 MB in the beginning and 44.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 45.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:08:10,819 INFO L168 Benchmark]: Witness Printer took 85.32 ms. Allocated memory is still 127.9 MB. Free memory was 44.5 MB in the beginning and 42.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:08:10,823 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1056 SDtfs, 332 SDslu, 318 SDs, 0 SdLazy, 2064 SolverSat, 670 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 973 GetRequests, 891 SyntacticMatches, 20 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 110 ConstructedInterpolants, 1 QuantifiedInterpolants, 504 SizeOfPredicates, 11 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 28/37 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: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 75.8 MB in the beginning and 75.7 MB in the end (delta: 64.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.94 ms. Allocated memory is still 96.5 MB. Free memory was 59.4 MB in the beginning and 71.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.28 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 70.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.51 ms. Allocated memory is still 96.5 MB. Free memory was 70.0 MB in the beginning and 69.2 MB in the end (delta: 826.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 481.67 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 57.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 15545.65 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 57.6 MB in the beginning and 44.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 45.7 MB. Max. memory is 16.1 GB. * Witness Printer took 85.32 ms. Allocated memory is still 127.9 MB. Free memory was 44.5 MB in the beginning and 42.4 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! [2021-10-29 04:08:10,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e9d1ae-8e1f-4317-a564-3ed26ae965dc/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...