./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/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_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:48:17,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:48:17,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:48:17,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:48:17,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:48:17,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:48:17,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:48:17,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:48:17,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:48:17,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:48:17,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:48:17,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:48:17,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:48:17,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:48:17,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:48:17,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:48:17,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:48:17,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:48:17,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:48:17,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:48:17,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:48:17,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:48:17,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:48:17,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:48:17,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:48:17,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:48:17,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:48:17,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:48:17,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:48:17,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:48:17,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:48:17,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:48:17,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:48:17,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:48:17,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:48:17,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:48:17,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:48:17,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:48:17,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:48:17,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:48:17,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:48:17,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 01:48:17,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:48:17,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:48:17,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:48:17,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:48:17,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:48:17,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:48:17,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:48:17,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:48:17,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:48:17,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:48:17,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:48:17,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:48:17,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:48:17,309 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:48:17,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:48:17,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:48:17,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:48:17,310 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:48:17,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:48:17,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:48:17,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:48:17,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:48:17,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:48:17,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:48:17,312 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:48:17,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:48:17,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:48:17,313 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_9b44c846-def8-4024-960f-faeaa0967fe0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 [2021-11-23 01:48:17,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:48:17,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:48:17,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:48:17,736 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:48:17,737 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:48:17,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-11-23 01:48:17,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/data/6968bf22b/c1b7b0172e2a4f61892675904b5377b2/FLAG3cb1b2f5f [2021-11-23 01:48:18,697 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:48:18,698 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/sv-benchmarks/c/busybox-1.22.0/hostid.i [2021-11-23 01:48:18,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/data/6968bf22b/c1b7b0172e2a4f61892675904b5377b2/FLAG3cb1b2f5f [2021-11-23 01:48:18,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/data/6968bf22b/c1b7b0172e2a4f61892675904b5377b2 [2021-11-23 01:48:18,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:48:18,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:48:18,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:48:18,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:48:18,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:48:18,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:18" (1/1) ... [2021-11-23 01:48:18,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98726ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:18, skipping insertion in model container [2021-11-23 01:48:18,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:18" (1/1) ... [2021-11-23 01:48:18,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:48:18,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:48:20,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:48:20,173 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:48:20,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:48:20,495 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:48:20,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20 WrapperNode [2021-11-23 01:48:20,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:48:20,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:48:20,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:48:20,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:48:20,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,653 INFO L137 Inliner]: procedures = 524, calls = 68, calls flagged for inlining = 7, calls inlined = 6, statements flattened = 145 [2021-11-23 01:48:20,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:48:20,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:48:20,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:48:20,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:48:20,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:48:20,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:48:20,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:48:20,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:48:20,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:20" (1/1) ... [2021-11-23 01:48:20,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:48:20,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:48:20,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:48:20,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:48:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:48:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:48:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-23 01:48:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:48:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:48:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:48:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:48:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:48:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:48:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:48:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:48:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:48:21,254 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:48:21,257 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:48:21,583 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:48:21,692 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:48:21,695 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:48:21,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:21 BoogieIcfgContainer [2021-11-23 01:48:21,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:48:21,699 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:48:21,699 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:48:21,711 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:48:21,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:21" (1/1) ... [2021-11-23 01:48:21,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:48:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2021-11-23 01:48:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2021-11-23 01:48:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:48:21,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:21,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:22,243 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 01:48:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2021-11-23 01:48:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-11-23 01:48:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:48:22,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:22,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:22,396 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 01:48:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-11-23 01:48:22,419 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-23 01:48:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:48:22,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:22,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:48:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2021-11-23 01:48:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-11-23 01:48:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:48:22,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:22,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:22,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:22,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2021-11-23 01:48:22,779 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-11-23 01:48:22,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:48:22,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:22,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions. [2021-11-23 01:48:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2021-11-23 01:48:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:48:22,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:22,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:23,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2021-11-23 01:48:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2021-11-23 01:48:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:48:23,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:23,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2021-11-23 01:48:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2021-11-23 01:48:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:48:23,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:23,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2021-11-23 01:48:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2021-11-23 01:48:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:48:23,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:23,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:23,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2021-11-23 01:48:23,842 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2021-11-23 01:48:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:48:23,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:23,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions. [2021-11-23 01:48:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2021-11-23 01:48:24,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:48:24,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 53 states and 56 transitions. [2021-11-23 01:48:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2021-11-23 01:48:24,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:48:24,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 56 states and 59 transitions. [2021-11-23 01:48:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2021-11-23 01:48:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:48:24,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2021-11-23 01:48:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2021-11-23 01:48:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:48:24,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 58 states and 60 transitions. [2021-11-23 01:48:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2021-11-23 01:48:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:48:25,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:25,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2021-11-23 01:48:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2021-11-23 01:48:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:48:25,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:25,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 56 states and 58 transitions. [2021-11-23 01:48:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2021-11-23 01:48:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:48:25,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:25,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2021-11-23 01:48:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2021-11-23 01:48:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:48:25,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:25,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 56 states and 59 transitions. [2021-11-23 01:48:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2021-11-23 01:48:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:48:25,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:25,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 57 states and 60 transitions. [2021-11-23 01:48:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2021-11-23 01:48:26,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:48:26,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:26,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 59 states and 64 transitions. [2021-11-23 01:48:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2021-11-23 01:48:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:48:26,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2021-11-23 01:48:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2021-11-23 01:48:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:48:26,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2021-11-23 01:48:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2021-11-23 01:48:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:48:26,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 01:48:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 67 states and 77 transitions. [2021-11-23 01:48:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2021-11-23 01:48:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:48:26,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 01:48:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2021-11-23 01:48:27,150 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2021-11-23 01:48:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:48:27,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:27,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2021-11-23 01:48:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2021-11-23 01:48:27,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:48:27,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:27,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 01:48:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2021-11-23 01:48:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2021-11-23 01:48:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:48:27,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:27,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 72 states and 86 transitions. [2021-11-23 01:48:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 86 transitions. [2021-11-23 01:48:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:48:27,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:27,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 01:48:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2021-11-23 01:48:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-23 01:48:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:48:28,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:28,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 01:48:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2021-11-23 01:48:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2021-11-23 01:48:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:48:28,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:28,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 01:48:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2021-11-23 01:48:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-23 01:48:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:48:29,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:29,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-23 01:48:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2021-11-23 01:48:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2021-11-23 01:48:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:48:30,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:30,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-23 01:48:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2021-11-23 01:48:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2021-11-23 01:48:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:48:30,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:30,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:30,710 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-23 01:48:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2021-11-23 01:48:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2021-11-23 01:48:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:48:30,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:30,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-23 01:48:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2021-11-23 01:48:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2021-11-23 01:48:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:48:31,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:31,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 01:48:32,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2021-11-23 01:48:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2021-11-23 01:48:32,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:48:32,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:32,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:32,903 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 01:48:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 88 states and 100 transitions. [2021-11-23 01:48:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2021-11-23 01:48:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:48:34,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:34,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-23 01:48:40,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-23 01:48:40,507 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-23 01:48:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:48:40,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:40,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 01:48:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-11-23 01:48:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-11-23 01:48:42,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:48:42,494 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 39 iterations. [2021-11-23 01:48:42,503 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2021-11-23 01:48:42,968 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:48:42,980 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 01:48:42,983 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:48:42,984 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-23 01:48:42,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:48:42 ImpRootNode [2021-11-23 01:48:42,985 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:48:42,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:48:42,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:48:42,986 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:48:42,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:21" (3/4) ... [2021-11-23 01:48:42,990 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:48:42,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 01:48:43,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2021-11-23 01:48:43,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-23 01:48:43,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-23 01:48:43,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:48:43,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:48:43,114 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:48:43,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:48:43,115 INFO L158 Benchmark]: Toolchain (without parser) took 24312.37ms. Allocated memory was 117.4MB in the beginning and 281.0MB in the end (delta: 163.6MB). Free memory was 85.6MB in the beginning and 164.1MB in the end (delta: -78.4MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2021-11-23 01:48:43,115 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 51.7MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:48:43,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1684.24ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 73.1MB in the end (delta: 12.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2021-11-23 01:48:43,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.94ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 69.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:48:43,117 INFO L158 Benchmark]: Boogie Preprocessor took 55.15ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 66.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:48:43,117 INFO L158 Benchmark]: RCFGBuilder took 973.73ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 85.2MB in the end (delta: -18.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-11-23 01:48:43,118 INFO L158 Benchmark]: CodeCheck took 21286.15ms. Allocated memory was 117.4MB in the beginning and 281.0MB in the end (delta: 163.6MB). Free memory was 85.2MB in the beginning and 169.2MB in the end (delta: -84.0MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2021-11-23 01:48:43,118 INFO L158 Benchmark]: Witness Printer took 128.64ms. Allocated memory is still 281.0MB. Free memory was 169.2MB in the beginning and 164.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:48:43,121 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, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 20.7s, OverallIterations: 39, 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, 3346 SdHoareTripleChecker+Valid, 13.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2571 mSDsluCounter, 268 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2327 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9097 IncrementalHoareTripleChecker+Invalid, 11424 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2327 mSolverCounterUnsat, 268 mSDtfsCounter, 9097 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8667 GetRequests, 8199 SyntacticMatches, 158 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43922 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1417 NumberOfCodeBlocks, 1417 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1379 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 16 PerfectInterpolantSequences, 3839/4394 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: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1889]: Loop Invariant Derived loop invariant: (argc <= 2147483646 && 1 <= i) || (argc <= 2147483646 && i == 0) - InvariantResult [Line: 1894]: Loop Invariant Derived loop invariant: (((((((argc <= 2147483646 && 1 <= j) && 1 <= i) && i <= 1) || ((argc <= 2147483646 && i == 0) && j == 0)) || (((argc <= 2147483646 && 1 <= i) && i <= 1) && j == 0)) || (((argc <= 2147483646 && 1 <= j) && 1 < i) && i <= 2147483645)) || (((argc <= 2147483646 && 1 < i) && i <= 2147483645) && j == 0)) || ((argc <= 2147483646 && i == 0) && 1 <= j) - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: (argc <= 2147483646 && i == 0) || (argc <= 2147483646 && 1 <= i) - InvariantResult [Line: 1879]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 51.7MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1684.24ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 73.1MB in the end (delta: 12.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.94ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 69.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.15ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 66.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 973.73ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 85.2MB in the end (delta: -18.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * CodeCheck took 21286.15ms. Allocated memory was 117.4MB in the beginning and 281.0MB in the end (delta: 163.6MB). Free memory was 85.2MB in the beginning and 169.2MB in the end (delta: -84.0MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * Witness Printer took 128.64ms. Allocated memory is still 281.0MB. Free memory was 169.2MB in the beginning and 164.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:48:43,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b44c846-def8-4024-960f-faeaa0967fe0/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