./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4 --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 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 --- 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-2329fc7 [2022-12-14 18:04:10,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:04:10,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:04:10,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:04:10,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:04:10,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:04:10,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:04:10,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:04:10,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:04:10,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:04:10,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:04:10,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:04:10,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:04:10,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:04:10,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:04:10,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:04:10,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:04:10,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:04:10,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:04:10,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:04:10,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:04:10,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:04:10,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:04:10,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:04:10,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:04:10,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:04:10,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:04:10,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:04:10,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:04:10,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:04:10,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:04:10,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:04:10,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:04:10,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:04:10,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:04:10,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:04:10,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:04:10,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:04:10,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:04:10,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:04:10,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:04:10,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:04:10,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:04:10,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:04:10,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:04:10,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:04:10,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:04:10,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:04:10,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:04:10,387 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:04:10,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:04:10,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:04:10,389 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:04:10,389 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:04:10,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:04:10,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:04:10,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:04:10,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:04:10,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:04:10,390 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:04:10,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:04:10,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:04:10,390 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_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 [2022-12-14 18:04:10,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:04:10,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:04:10,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:04:10,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:04:10,588 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:04:10,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2022-12-14 18:04:13,228 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:04:13,380 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:04:13,380 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2022-12-14 18:04:13,384 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/data/d4d7f89e5/32f9d20b9bce4e679a0ae77937461105/FLAGdefa22dc4 [2022-12-14 18:04:13,395 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/data/d4d7f89e5/32f9d20b9bce4e679a0ae77937461105 [2022-12-14 18:04:13,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:04:13,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:04:13,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:04:13,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:04:13,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:04:13,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a143c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13, skipping insertion in model container [2022-12-14 18:04:13,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:04:13,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:04:13,520 WARN L237 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_62b20794-8bf4-4e57-9202-644e9836c14e/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2022-12-14 18:04:13,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:04:13,537 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:04:13,545 WARN L237 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_62b20794-8bf4-4e57-9202-644e9836c14e/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2022-12-14 18:04:13,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:04:13,558 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:04:13,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13 WrapperNode [2022-12-14 18:04:13,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:04:13,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:04:13,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:04:13,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:04:13,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,580 INFO L138 Inliner]: procedures = 16, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2022-12-14 18:04:13,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:04:13,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:04:13,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:04:13,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:04:13,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,593 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:04:13,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:04:13,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:04:13,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:04:13,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:04:13,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:04:13,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:04:13,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:04:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:04:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:04:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:04:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:04:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 18:04:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 18:04:13,716 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:04:13,718 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:04:13,820 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:04:13,841 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:04:13,841 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:04:13,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:13 BoogieIcfgContainer [2022-12-14 18:04:13,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:04:13,844 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:04:13,844 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:04:13,852 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:04:13,853 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:13" (1/1) ... [2022-12-14 18:04:13,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:04:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:13,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2022-12-14 18:04:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2022-12-14 18:04:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:04:13,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:13,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:04:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-14 18:04:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-14 18:04:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:04:14,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:04:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 51 transitions. [2022-12-14 18:04:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2022-12-14 18:04:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:04:14,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:14,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:04:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2022-12-14 18:04:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2022-12-14 18:04:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:04:14,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:14,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:04:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 52 transitions. [2022-12-14 18:04:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-12-14 18:04:14,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:04:14,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:14,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:04:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 59 transitions. [2022-12-14 18:04:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2022-12-14 18:04:14,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:04:14,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:14,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:14,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:04:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 60 transitions. [2022-12-14 18:04:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2022-12-14 18:04:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:04:14,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:14,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:04:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 62 transitions. [2022-12-14 18:04:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2022-12-14 18:04:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:04:14,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:14,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:14,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:04:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 75 transitions. [2022-12-14 18:04:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2022-12-14 18:04:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:04:15,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:15,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:04:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 76 transitions. [2022-12-14 18:04:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2022-12-14 18:04:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:04:15,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:15,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:15,139 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:04:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 91 transitions. [2022-12-14 18:04:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2022-12-14 18:04:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:04:15,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:15,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:04:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 107 transitions. [2022-12-14 18:04:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2022-12-14 18:04:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:04:15,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:15,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:04:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 108 transitions. [2022-12-14 18:04:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2022-12-14 18:04:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:04:15,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:15,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:04:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 132 transitions. [2022-12-14 18:04:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2022-12-14 18:04:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:04:16,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:16,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 18:04:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 75 states and 144 transitions. [2022-12-14 18:04:16,869 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2022-12-14 18:04:16,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 18:04:16,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:16,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 18:04:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 80 states and 155 transitions. [2022-12-14 18:04:17,299 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 155 transitions. [2022-12-14 18:04:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 18:04:17,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 18:04:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 79 states and 150 transitions. [2022-12-14 18:04:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 150 transitions. [2022-12-14 18:04:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 18:04:17,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:17,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 18:04:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 86 states and 163 transitions. [2022-12-14 18:04:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-12-14 18:04:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 18:04:18,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:18,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-14 18:04:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 99 states and 191 transitions. [2022-12-14 18:04:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2022-12-14 18:04:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 18:04:19,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:19,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-14 18:04:19,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:19,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 107 states and 209 transitions. [2022-12-14 18:04:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 209 transitions. [2022-12-14 18:04:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 18:04:19,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:19,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-14 18:04:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:20,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 115 states and 226 transitions. [2022-12-14 18:04:20,754 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 226 transitions. [2022-12-14 18:04:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 18:04:20,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:20,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-14 18:04:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 118 states and 235 transitions. [2022-12-14 18:04:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2022-12-14 18:04:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 18:04:20,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:20,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-14 18:04:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 120 states and 245 transitions. [2022-12-14 18:04:21,311 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 245 transitions. [2022-12-14 18:04:21,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 18:04:21,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:21,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-12-14 18:04:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 131 states and 269 transitions. [2022-12-14 18:04:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 269 transitions. [2022-12-14 18:04:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 18:04:22,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-12-14 18:04:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 133 states and 274 transitions. [2022-12-14 18:04:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 274 transitions. [2022-12-14 18:04:22,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 18:04:22,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:22,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-12-14 18:04:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:23,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 80 states and 139 transitions. [2022-12-14 18:04:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 139 transitions. [2022-12-14 18:04:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 18:04:23,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 18:04:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 88 states and 156 transitions. [2022-12-14 18:04:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 156 transitions. [2022-12-14 18:04:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 18:04:25,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:25,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:25,161 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 18:04:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 90 states and 159 transitions. [2022-12-14 18:04:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 159 transitions. [2022-12-14 18:04:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 18:04:25,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:25,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 18:04:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 98 states and 179 transitions. [2022-12-14 18:04:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 179 transitions. [2022-12-14 18:04:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 18:04:26,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:26,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-14 18:04:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 101 states and 183 transitions. [2022-12-14 18:04:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 183 transitions. [2022-12-14 18:04:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-14 18:04:27,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:27,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 52 proven. 40 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-14 18:04:27,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:27,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 105 states and 189 transitions. [2022-12-14 18:04:27,878 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 189 transitions. [2022-12-14 18:04:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 18:04:27,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:27,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 68 proven. 28 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-12-14 18:04:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 118 states and 213 transitions. [2022-12-14 18:04:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 213 transitions. [2022-12-14 18:04:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 18:04:28,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:28,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 56 proven. 64 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-14 18:04:30,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 126 states and 231 transitions. [2022-12-14 18:04:30,700 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 231 transitions. [2022-12-14 18:04:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 18:04:30,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:30,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2022-12-14 18:04:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 129 states and 235 transitions. [2022-12-14 18:04:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 235 transitions. [2022-12-14 18:04:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-14 18:04:31,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:31,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 88 proven. 40 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-12-14 18:04:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 103 states and 178 transitions. [2022-12-14 18:04:31,744 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2022-12-14 18:04:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 18:04:31,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:04:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:04:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 88 proven. 39 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-12-14 18:04:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:04:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 38 states and 59 transitions. [2022-12-14 18:04:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2022-12-14 18:04:32,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:04:32,271 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2022-12-14 18:04:32,277 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 18:04:32,517 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:04:32,520 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:04:32,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:04:32 ImpRootNode [2022-12-14 18:04:32,521 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:04:32,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:04:32,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:04:32,521 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:04:32,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:13" (3/4) ... [2022-12-14 18:04:32,524 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:04:32,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 18:04:32,530 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 18:04:32,530 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 18:04:32,530 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 18:04:32,530 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:04:32,556 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:04:32,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:04:32,556 INFO L158 Benchmark]: Toolchain (without parser) took 19158.47ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 114.1MB in the beginning and 131.3MB in the end (delta: -17.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-12-14 18:04:32,556 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:04:32,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.64ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 103.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:04:32,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.68ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 102.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:04:32,557 INFO L158 Benchmark]: Boogie Preprocessor took 13.71ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:04:32,558 INFO L158 Benchmark]: RCFGBuilder took 248.22ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 89.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:04:32,558 INFO L158 Benchmark]: CodeCheck took 18676.93ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 89.4MB in the beginning and 134.4MB in the end (delta: -45.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-14 18:04:32,558 INFO L158 Benchmark]: Witness Printer took 34.73ms. Allocated memory is still 220.2MB. Free memory was 134.4MB in the beginning and 131.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:04:32,561 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8389 SdHoareTripleChecker+Valid, 17.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2616 mSDsluCounter, 6263 SdHoareTripleChecker+Invalid, 14.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4177 mSDsCounter, 4778 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15789 IncrementalHoareTripleChecker+Invalid, 20567 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4778 mSolverCounterUnsat, 2086 mSDtfsCounter, 15789 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17395 GetRequests, 16830 SyntacticMatches, 217 SemanticMatches, 348 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66734 ImplicationChecksByTransitivity, 14.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1787 NumberOfCodeBlocks, 1787 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1752 ConstructedInterpolants, 0 QuantifiedInterpolants, 5978 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 16 PerfectInterpolantSequences, 5574/5919 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: 19]: 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: 37]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.64ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 103.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.68ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 102.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.71ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.22ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 89.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 18676.93ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 89.4MB in the beginning and 134.4MB in the end (delta: -45.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 34.73ms. Allocated memory is still 220.2MB. Free memory was 134.4MB in the beginning and 131.3MB 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! [2022-12-14 18:04:32,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b20794-8bf4-4e57-9202-644e9836c14e/bin/ukojak-rkRKPMF4O4/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