./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.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_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/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_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/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_7045dacc-08c0-4a28-9f84-9a7203ce32ac/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 9671c34313c5e47de5bd2f842db47c3009aa180bae8c949f2010db1179ac602f ........................................................................................................................................................................................................................................................................................................................................................................... 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 04:22:24,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:22:24,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:22:24,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:22:24,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:22:24,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:22:24,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:22:24,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:22:24,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:22:24,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:22:24,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:22:24,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:22:24,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:22:24,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:22:24,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:22:24,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:22:24,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:22:24,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:22:24,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:22:25,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:22:25,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:22:25,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:22:25,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:22:25,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:22:25,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:22:25,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:22:25,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:22:25,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:22:25,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:22:25,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:22:25,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:22:25,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:22:25,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:22:25,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:22:25,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:22:25,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:22:25,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:22:25,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:22:25,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:22:25,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:22:25,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:22:25,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:22:25,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:22:25,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:22:25,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:22:25,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:22:25,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:22:25,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:22:25,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:22:25,095 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:22:25,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:22:25,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:22:25,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:22:25,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:22:25,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:22:25,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:22:25,098 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:22:25,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:22:25,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:22:25,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:22:25,099 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:22:25,100 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:22:25,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:22:25,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:22:25,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:22:25,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:22:25,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:22:25,101 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:22:25,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:22:25,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:22:25,102 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_7045dacc-08c0-4a28-9f84-9a7203ce32ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9671c34313c5e47de5bd2f842db47c3009aa180bae8c949f2010db1179ac602f [2021-10-29 04:22:25,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:22:25,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:22:25,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:22:25,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:22:25,554 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:22:25,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c [2021-10-29 04:22:25,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/data/e06271608/c0eeb8e0c3034a579fc3a287d1880519/FLAG37ccd4993 [2021-10-29 04:22:26,332 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:22:26,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c [2021-10-29 04:22:26,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/data/e06271608/c0eeb8e0c3034a579fc3a287d1880519/FLAG37ccd4993 [2021-10-29 04:22:26,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/data/e06271608/c0eeb8e0c3034a579fc3a287d1880519 [2021-10-29 04:22:26,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:22:26,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:22:26,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:22:26,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:22:26,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:22:26,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:22:26" (1/1) ... [2021-10-29 04:22:26,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ab3e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:26, skipping insertion in model container [2021-10-29 04:22:26,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:22:26" (1/1) ... [2021-10-29 04:22:26,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:22:26,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:22:26,962 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_7045dacc-08c0-4a28-9f84-9a7203ce32ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c[458,471] [2021-10-29 04:22:26,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:22:27,000 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:22:27,016 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_7045dacc-08c0-4a28-9f84-9a7203ce32ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound5.c[458,471] [2021-10-29 04:22:27,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:22:27,044 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:22:27,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27 WrapperNode [2021-10-29 04:22:27,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:22:27,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:22:27,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:22:27,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:22:27,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:22:27,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:22:27,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:22:27,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:22:27,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:22:27,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:22:27,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:22:27,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:22:27,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:22:27,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:22:27,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:22:27,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:22:27,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:22:27,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:22:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:22:27,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:22:27,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:22:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:22:27,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:22:27,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:22:27,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:22:27,679 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:22:27,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:27 BoogieIcfgContainer [2021-10-29 04:22:27,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:22:27,684 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:22:27,684 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:22:27,709 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:22:27,710 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:27" (1/1) ... [2021-10-29 04:22:27,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:22:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-10-29 04:22:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-10-29 04:22:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:22:27,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:27,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:28,059 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 04:22:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-10-29 04:22:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-10-29 04:22:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:22:28,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:28,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:28,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:22:28,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:28,425 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 04:22:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-10-29 04:22:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-10-29 04:22:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:22:29,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:29,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:29,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:22:29,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:29,431 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 04:22:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2021-10-29 04:22:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-10-29 04:22:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:22:29,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:29,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:29,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:22:29,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:22:30,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-10-29 04:22:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-29 04:22:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:22:30,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:30,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:30,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:22:30,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:22:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:30,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-10-29 04:22:30,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-29 04:22:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:22:30,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:30,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:30,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 04:22:30,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:22:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2021-10-29 04:22:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2021-10-29 04:22:31,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 04:22:31,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:31,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:31,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 04:22:31,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 04:22:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2021-10-29 04:22:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2021-10-29 04:22:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:22:32,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:32,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:33,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 04:22:33,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 04:22:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2021-10-29 04:22:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2021-10-29 04:22:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:22:38,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:38,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:38,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 04:22:38,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 04:22:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2021-10-29 04:22:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2021-10-29 04:22:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 04:22:40,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:40,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:41,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:22:41,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 04:22:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2021-10-29 04:22:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2021-10-29 04:22:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 04:22:43,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:43,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:43,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 04:22:43,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-29 04:22:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2021-10-29 04:22:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2021-10-29 04:22:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 04:22:47,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:47,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:50,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-29 04:22:50,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 04:22:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:22:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2021-10-29 04:22:52,981 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2021-10-29 04:22:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 04:22:52,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:22:52,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:22:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:22:53,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 04:22:53,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:22:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-29 04:23:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 76 states and 134 transitions. [2021-10-29 04:23:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2021-10-29 04:23:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 04:23:00,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:00,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:00,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 04:23:00,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:23:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 69 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-29 04:23:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 48 states and 72 transitions. [2021-10-29 04:23:08,469 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2021-10-29 04:23:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 04:23:08,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:23:08,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:23:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:23:08,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 04:23:08,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:23:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-29 04:23:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:23:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 42 states and 64 transitions. [2021-10-29 04:23:12,931 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2021-10-29 04:23:12,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:23:12,933 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-10-29 04:23:12,940 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:23:13,584 INFO L565 CodeCheckObserver]: Invariant with dag size 34 [2021-10-29 04:23:13,606 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:23:13,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:23:13 ImpRootNode [2021-10-29 04:23:13,607 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:23:13,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:23:13,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:23:13,608 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:23:13,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:22:27" (3/4) ... [2021-10-29 04:23:13,612 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:23:13,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 04:23:13,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:23:13,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 04:23:13,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:23:13,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:23:13,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:23:13,674 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:23:13,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:23:13,676 INFO L168 Benchmark]: Toolchain (without parser) took 46994.23 ms. Allocated memory was 96.5 MB in the beginning and 151.0 MB in the end (delta: 54.5 MB). Free memory was 62.4 MB in the beginning and 53.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:13,677 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:23:13,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.79 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 62.2 MB in the beginning and 100.7 MB in the end (delta: -38.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:13,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.30 ms. Allocated memory is still 125.8 MB. Free memory was 100.7 MB in the beginning and 99.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:23:13,679 INFO L168 Benchmark]: Boogie Preprocessor took 27.57 ms. Allocated memory is still 125.8 MB. Free memory was 99.2 MB in the beginning and 98.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:13,680 INFO L168 Benchmark]: RCFGBuilder took 565.16 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 86.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:13,680 INFO L168 Benchmark]: CodeCheck took 45923.55 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 86.0 MB in the beginning and 56.1 MB in the end (delta: 29.9 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:13,681 INFO L168 Benchmark]: Witness Printer took 66.24 ms. Allocated memory is still 151.0 MB. Free memory was 56.1 MB in the beginning and 53.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:23:13,684 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.1s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 425992 SDtfs, 92434 SDslu, 107240 SDs, 0 SdLazy, 619788 SolverSat, 220054 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4138 GetRequests, 3844 SyntacticMatches, 92 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19928 ImplicationChecksByTransitivity, 33.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 504 ConstructedInterpolants, 0 QuantifiedInterpolants, 2258 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1646 ConjunctsInSsa, 233 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 545/744 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: 28]: Loop Invariant Derived loop invariant: ((4 < k && c <= 5) || !(10 * (y * y) + x + 5 * (y * y * y * y) == 2 * (y * y * y * y * y) + 275 + 10 * (y * y * y) + 5 * y && y == 5)) || !((0 <= k && 5 <= c) && k <= 5) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.79 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 62.2 MB in the beginning and 100.7 MB in the end (delta: -38.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.30 ms. Allocated memory is still 125.8 MB. Free memory was 100.7 MB in the beginning and 99.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.57 ms. Allocated memory is still 125.8 MB. Free memory was 99.2 MB in the beginning and 98.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 565.16 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 86.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 45923.55 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 86.0 MB in the beginning and 56.1 MB in the end (delta: 29.9 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. * Witness Printer took 66.24 ms. Allocated memory is still 151.0 MB. Free memory was 56.1 MB in the beginning and 53.1 MB in the end (delta: 3.1 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 04:23:13,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7045dacc-08c0-4a28-9f84-9a7203ce32ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...