./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB --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 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:39:57,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:57,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:57,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:57,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:57,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:57,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:57,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:57,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:57,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:57,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:57,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:57,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:57,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:57,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:57,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:57,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:57,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:57,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:57,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:57,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:57,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:57,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:57,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:57,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:57,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:57,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:57,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:57,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:57,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:57,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:57,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:57,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:57,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:57,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:57,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:57,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:57,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:57,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:57,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:57,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:57,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:57,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:57,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:57,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:57,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:57,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:57,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:57,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:57,772 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:57,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:57,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:57,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:57,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:57,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:57,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:57,774 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:57,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:57,775 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:57,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:57,775 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:57,776 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:57,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:57,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:57,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:57,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:57,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:57,777 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:57,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:57,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:57,779 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_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac [2022-10-17 16:39:58,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:58,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:58,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:58,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:58,152 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:58,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2022-10-17 16:39:58,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/data/d0c4b5d8e/3d73fc898486427fb3a8b6f54997121e/FLAG791a6315f [2022-10-17 16:39:58,804 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:58,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2022-10-17 16:39:58,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/data/d0c4b5d8e/3d73fc898486427fb3a8b6f54997121e/FLAG791a6315f [2022-10-17 16:39:59,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/data/d0c4b5d8e/3d73fc898486427fb3a8b6f54997121e [2022-10-17 16:39:59,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:59,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:59,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:59,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:59,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:59,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a63eab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59, skipping insertion in model container [2022-10-17 16:39:59,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:59,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:59,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c[520,533] [2022-10-17 16:39:59,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:59,435 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:59,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c[520,533] [2022-10-17 16:39:59,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:59,470 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:59,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59 WrapperNode [2022-10-17 16:39:59,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:59,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:59,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:59,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:59,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,507 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-10-17 16:39:59,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:59,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:59,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:59,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:59,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,536 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:59,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:59,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:59,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:59,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:59,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:59,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:59,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:59,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:39:59,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:39:59,698 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:59,700 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:59,876 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:59,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:59,892 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:39:59,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:59 BoogieIcfgContainer [2022-10-17 16:39:59,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:59,896 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:59,896 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:59,906 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:59,906 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:59" (1/1) ... [2022-10-17 16:39:59,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:59,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-10-17 16:39:59,991 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-10-17 16:39:59,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:59,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:59,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:00,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:00,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-10-17 16:40:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-10-17 16:40:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:00,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:00,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:40:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:40:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:00,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:00,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-10-17 16:40:01,091 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-10-17 16:40:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:01,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:01,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:40:01,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2022-10-17 16:40:01,978 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2022-10-17 16:40:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:40:01,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:01,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:40:02,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:40:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2022-10-17 16:40:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2022-10-17 16:40:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:02,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:40:02,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:40:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:03,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2022-10-17 16:40:03,126 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-10-17 16:40:03,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:40:03,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:03,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:03,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:40:03,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:40:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 88 transitions. [2022-10-17 16:40:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 88 transitions. [2022-10-17 16:40:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:40:04,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:04,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:40:04,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:40:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 94 transitions. [2022-10-17 16:40:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 94 transitions. [2022-10-17 16:40:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:40:05,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:05,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:05,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:40:05,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:40:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 26 states and 37 transitions. [2022-10-17 16:40:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 16:40:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:40:05,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:05,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:05,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:40:05,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:40:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 28 states and 42 transitions. [2022-10-17 16:40:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2022-10-17 16:40:06,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:40:06,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:06,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:06,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:40:06,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:40:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 26 states and 36 transitions. [2022-10-17 16:40:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-10-17 16:40:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:40:07,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:07,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:07,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:40:07,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:40:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 22 states and 32 transitions. [2022-10-17 16:40:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 16:40:10,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:40:10,890 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-10-17 16:40:10,901 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:40:11,147 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:40:11,151 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-10-17 16:40:11,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:40:11 ImpRootNode [2022-10-17 16:40:11,160 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:40:11,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:40:11,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:40:11,161 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:40:11,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:59" (3/4) ... [2022-10-17 16:40:11,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:40:11,173 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:40:11,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:40:11,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:40:11,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:40:11,185 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:40:11,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:40:11,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:40:11,263 INFO L158 Benchmark]: Toolchain (without parser) took 12096.97ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 84.0MB in the beginning and 94.5MB in the end (delta: -10.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-10-17 16:40:11,264 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:11,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.03ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 91.6MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:40:11,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.91ms. Allocated memory is still 119.5MB. Free memory was 91.6MB in the beginning and 90.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:40:11,268 INFO L158 Benchmark]: Boogie Preprocessor took 30.23ms. Allocated memory is still 119.5MB. Free memory was 90.2MB in the beginning and 89.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:11,269 INFO L158 Benchmark]: RCFGBuilder took 355.91ms. Allocated memory is still 119.5MB. Free memory was 89.2MB in the beginning and 77.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:40:11,269 INFO L158 Benchmark]: CodeCheck took 11263.96ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 77.8MB in the beginning and 97.6MB in the end (delta: -19.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-10-17 16:40:11,270 INFO L158 Benchmark]: Witness Printer took 98.96ms. Allocated memory is still 146.8MB. Free memory was 97.6MB in the beginning and 94.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:40:11,272 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 539 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 457 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 677 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1934 IncrementalHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 677 mSolverCounterUnsat, 361 mSDtfsCounter, 1934 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2108 GetRequests, 1939 SyntacticMatches, 43 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6466 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 766 SizeOfPredicates, 13 NumberOfNonLiveVariables, 744 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 179/206 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: 14]: 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: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(3 == t && a == 1) || !(1 <= counter)) || s == 4 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.03ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 91.6MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.91ms. Allocated memory is still 119.5MB. Free memory was 91.6MB in the beginning and 90.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.23ms. Allocated memory is still 119.5MB. Free memory was 90.2MB in the beginning and 89.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.91ms. Allocated memory is still 119.5MB. Free memory was 89.2MB in the beginning and 77.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 11263.96ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 77.8MB in the beginning and 97.6MB in the end (delta: -19.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 98.96ms. Allocated memory is still 146.8MB. Free memory was 97.6MB in the beginning and 94.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:40:11,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35337716-7736-4de5-9a51-5d21f56f6fa5/bin/ukojak-92XMlrwhuB/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