./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ --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 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:52:00,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:52:00,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:52:00,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:52:00,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:52:00,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:52:00,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:52:00,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:52:00,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:52:00,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:52:00,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:52:00,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:52:00,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:52:00,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:52:00,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:52:00,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:52:00,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:52:00,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:52:00,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:52:00,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:52:00,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:52:00,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:52:00,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:52:00,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:52:00,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:52:00,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:52:00,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:52:00,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:52:00,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:52:00,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:52:00,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:52:00,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:52:00,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:52:00,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:52:00,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:52:00,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:52:00,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:52:00,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:52:00,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:52:00,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:52:00,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:52:00,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:52:00,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:52:00,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:52:00,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:52:00,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:52:00,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:52:00,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:52:00,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:52:00,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:52:00,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:52:00,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:52:00,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:52:00,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:52:00,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:52:00,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:52:00,524 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:52:00,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:52:00,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:52:00,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:52:00,524 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:52:00,525 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:52:00,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:52:00,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:00,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:52:00,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:52:00,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:52:00,526 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:52:00,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:52:00,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:52:00,527 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_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b [2021-11-23 00:52:00,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:52:00,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:52:00,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:52:00,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:52:00,842 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:52:00,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2021-11-23 00:52:00,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/data/dbb55a687/0bc5d2bc50634a75aa44a30a06343ebc/FLAG870decc59 [2021-11-23 00:52:01,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:52:01,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2021-11-23 00:52:01,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/data/dbb55a687/0bc5d2bc50634a75aa44a30a06343ebc/FLAG870decc59 [2021-11-23 00:52:01,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/data/dbb55a687/0bc5d2bc50634a75aa44a30a06343ebc [2021-11-23 00:52:01,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:52:01,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:52:01,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:01,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:52:01,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:52:01,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:01" (1/1) ... [2021-11-23 00:52:01,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6323baaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:01, skipping insertion in model container [2021-11-23 00:52:01,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:01" (1/1) ... [2021-11-23 00:52:01,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:52:01,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:01,978 WARN L230 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_485efd15-37b8-489b-bfbb-469d11b01e69/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2021-11-23 00:52:01,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:02,000 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:52:02,013 WARN L230 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_485efd15-37b8-489b-bfbb-469d11b01e69/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2021-11-23 00:52:02,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:02,033 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:52:02,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02 WrapperNode [2021-11-23 00:52:02,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:02,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:02,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:52:02,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:52:02,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,069 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2021-11-23 00:52:02,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:02,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:52:02,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:52:02,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:52:02,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:52:02,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:52:02,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:52:02,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:52:02,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:02,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:52:02,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:52:02,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:52:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:52:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:52:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:52:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:52:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:52:02,239 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:52:02,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:52:02,360 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:52:02,395 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:52:02,395 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:52:02,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:02 BoogieIcfgContainer [2021-11-23 00:52:02,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:52:02,399 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:52:02,399 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:52:02,410 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:52:02,410 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:02" (1/1) ... [2021-11-23 00:52:02,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:52:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-11-23 00:52:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-23 00:52:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:52:02,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:02,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:02,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:52:02,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 00:52:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 00:52:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:52:02,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:02,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:02,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:52:03,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-11-23 00:52:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-23 00:52:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:52:03,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:03,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:03,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:52:03,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2021-11-23 00:52:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-23 00:52:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:52:03,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:03,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:03,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:52:03,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:52:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2021-11-23 00:52:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-11-23 00:52:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:52:04,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:04,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:04,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:52:04,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:52:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-11-23 00:52:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-11-23 00:52:05,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:52:05,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:05,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:05,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:52:05,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:52:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2021-11-23 00:52:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2021-11-23 00:52:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:52:05,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:05,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:05,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:52:05,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:52:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2021-11-23 00:52:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2021-11-23 00:52:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:52:06,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:06,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:06,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:52:06,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 00:52:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2021-11-23 00:52:07,996 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2021-11-23 00:52:07,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:52:07,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:07,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:08,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:52:08,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 00:52:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2021-11-23 00:52:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2021-11-23 00:52:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:52:09,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:09,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:11,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 00:52:11,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 30 proven. 107 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 00:52:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2021-11-23 00:52:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2021-11-23 00:52:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:52:13,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:13,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:14,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 00:52:14,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 30 proven. 168 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-23 00:52:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2021-11-23 00:52:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2021-11-23 00:52:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:52:16,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:16,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:20,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:52:20,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:52:31,338 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 12 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:52:51,437 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:53:01,453 WARN L227 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 12 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:53:11,496 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:53:21,511 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:54:03,487 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:54:13,503 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:54:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 217 proven. 6 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-23 00:54:36,962 WARN L227 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:54:49,062 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:54:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 60 transitions. [2021-11-23 00:54:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2021-11-23 00:54:51,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:54:51,500 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2021-11-23 00:54:51,508 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:54:51,715 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:54:51,722 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:54:51,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:54:51 ImpRootNode [2021-11-23 00:54:51,723 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:54:51,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:54:51,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:54:51,724 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:54:51,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:02" (3/4) ... [2021-11-23 00:54:51,727 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:54:51,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 00:54:51,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-23 00:54:51,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 00:54:51,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:54:51,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:54:51,786 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:54:51,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:54:51,787 INFO L158 Benchmark]: Toolchain (without parser) took 170014.05ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 56.3MB in the beginning and 95.4MB in the end (delta: -39.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2021-11-23 00:54:51,788 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:54:51,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.64ms. Allocated memory is still 96.5MB. Free memory was 56.1MB in the beginning and 72.1MB in the end (delta: -16.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-11-23 00:54:51,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.59ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 70.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:54:51,789 INFO L158 Benchmark]: Boogie Preprocessor took 21.17ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 69.7MB in the end (delta: 881.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:54:51,790 INFO L158 Benchmark]: RCFGBuilder took 306.23ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 59.9MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:54:51,791 INFO L158 Benchmark]: CodeCheck took 169324.06ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 59.9MB in the beginning and 32.5MB in the end (delta: 27.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2021-11-23 00:54:51,792 INFO L158 Benchmark]: Witness Printer took 62.46ms. Allocated memory is still 121.6MB. Free memory was 32.5MB in the beginning and 95.4MB in the end (delta: -62.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-11-23 00:54:51,795 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 169.1s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 423 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 526 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 398 mSDsCounter, 625 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1204 IncrementalHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 625 mSolverCounterUnsat, 128 mSDtfsCounter, 1204 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3036 GetRequests, 2733 SyntacticMatches, 187 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6589 ImplicationChecksByTransitivity, 107.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 7.4s SatisfiabilityAnalysisTime, 116.7s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 451 ConstructedInterpolants, 0 QuantifiedInterpolants, 2544 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1521 ConjunctsInSsa, 317 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 870/1377 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: 12]: 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.64ms. Allocated memory is still 96.5MB. Free memory was 56.1MB in the beginning and 72.1MB in the end (delta: -16.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.59ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 70.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.17ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 69.7MB in the end (delta: 881.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.23ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 59.9MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 169324.06ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 59.9MB in the beginning and 32.5MB in the end (delta: 27.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Witness Printer took 62.46ms. Allocated memory is still 121.6MB. Free memory was 32.5MB in the beginning and 95.4MB in the end (delta: -62.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:54:51,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485efd15-37b8-489b-bfbb-469d11b01e69/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE