./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --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_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/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_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/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_0f429d36-6931-4d7a-bd49-802ba3005c4f/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 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 --- 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 22:13:12,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:13:12,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:13:12,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:13:12,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:13:12,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:13:12,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:13:12,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:13:12,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:13:12,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:13:12,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:13:12,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:13:12,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:13:12,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:13:12,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:13:12,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:13:12,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:13:12,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:13:12,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:13:12,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:13:12,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:13:12,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:13:12,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:13:12,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:13:12,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:13:12,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:13:12,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:13:12,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:13:12,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:13:12,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:13:12,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:13:12,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:13:12,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:13:12,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:13:12,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:13:12,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:13:12,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:13:12,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:13:12,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:13:12,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:13:12,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:13:12,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:13:12,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:13:12,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:13:12,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:13:12,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:13:12,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:13:12,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:13:12,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:13:12,902 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:13:12,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:13:12,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:13:12,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:13:12,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:13:12,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:13:12,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:13:12,904 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:13:12,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:13:12,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:13:12,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:13:12,904 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:13:12,904 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:13:12,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:13:12,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:13:12,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:13:12,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:13:12,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:13:12,906 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:13:12,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:13:12,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:13:12,906 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_0f429d36-6931-4d7a-bd49-802ba3005c4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 [2022-12-14 22:13:13,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:13:13,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:13:13,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:13:13,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:13:13,135 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:13:13,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2022-12-14 22:13:15,637 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:13:15,782 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:13:15,782 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2022-12-14 22:13:15,786 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/data/9448a71c4/f881bb8fc0fd40a8b2785ab55ef6bc06/FLAG822cc4cad [2022-12-14 22:13:16,212 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/data/9448a71c4/f881bb8fc0fd40a8b2785ab55ef6bc06 [2022-12-14 22:13:16,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:13:16,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:13:16,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:13:16,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:13:16,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:13:16,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f52c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16, skipping insertion in model container [2022-12-14 22:13:16,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:13:16,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:13:16,334 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_0f429d36-6931-4d7a-bd49-802ba3005c4f/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c[454,467] [2022-12-14 22:13:16,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:13:16,349 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:13:16,358 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_0f429d36-6931-4d7a-bd49-802ba3005c4f/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c[454,467] [2022-12-14 22:13:16,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:13:16,370 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:13:16,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16 WrapperNode [2022-12-14 22:13:16,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:13:16,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:13:16,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:13:16,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:13:16,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,393 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-12-14 22:13:16,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:13:16,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:13:16,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:13:16,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:13:16,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,406 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:13:16,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:13:16,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:13:16,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:13:16,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:13:16,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:13:16,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:13:16,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:13:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:13:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:13:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:13:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:13:16,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:13:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:13:16,520 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:13:16,521 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:13:16,597 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:13:16,621 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:13:16,621 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:13:16,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:13:16 BoogieIcfgContainer [2022-12-14 22:13:16,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:13:16,623 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:13:16,623 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:13:16,631 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:13:16,632 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:13:16" (1/1) ... [2022-12-14 22:13:16,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:13:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-12-14 22:13:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-12-14 22:13:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:13:16,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:16,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:16,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 22:13:16,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:16,880 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 22:13:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-12-14 22:13:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-12-14 22:13:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:13:16,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:16,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:16,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:13:16,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:13:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-12-14 22:13:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-12-14 22:13:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:13:17,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:17,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:17,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 22:13:17,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:13:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-12-14 22:13:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-12-14 22:13:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:13:17,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:17,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:17,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:13:17,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:13:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-12-14 22:13:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-12-14 22:13:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:13:17,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:17,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:17,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 22:13:17,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:13:18,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:18,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2022-12-14 22:13:18,065 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2022-12-14 22:13:18,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:13:18,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:18,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:18,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-14 22:13:18,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 22:13:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2022-12-14 22:13:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-12-14 22:13:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:13:18,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:18,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:18,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 22:13:18,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 22:13:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2022-12-14 22:13:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2022-12-14 22:13:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 22:13:19,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:19,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:19,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 22:13:19,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 22:13:19,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2022-12-14 22:13:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2022-12-14 22:13:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 22:13:19,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:19,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:19,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 22:13:19,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 22:13:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2022-12-14 22:13:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2022-12-14 22:13:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 22:13:20,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:20,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:20,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-14 22:13:20,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 22:13:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2022-12-14 22:13:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2022-12-14 22:13:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 22:13:20,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:21,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 22:13:21,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-12-14 22:13:21,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2022-12-14 22:13:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2022-12-14 22:13:21,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 22:13:21,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:21,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:22,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-14 22:13:22,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-14 22:13:23,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:23,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2022-12-14 22:13:23,023 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2022-12-14 22:13:23,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 22:13:23,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:23,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:23,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 22:13:23,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:13:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-12-14 22:13:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 41 states and 61 transitions. [2022-12-14 22:13:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2022-12-14 22:13:26,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:13:26,399 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2022-12-14 22:13:26,405 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:13:26,606 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:13:26,609 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:13:26,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:13:26 ImpRootNode [2022-12-14 22:13:26,610 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:13:26,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:13:26,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:13:26,610 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:13:26,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:13:16" (3/4) ... [2022-12-14 22:13:26,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:13:26,616 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 22:13:26,618 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 22:13:26,618 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 22:13:26,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:13:26,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:13:26,641 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:13:26,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:13:26,641 INFO L158 Benchmark]: Toolchain (without parser) took 10425.55ms. Allocated memory is still 197.1MB. Free memory was 159.8MB in the beginning and 75.0MB in the end (delta: 84.8MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,642 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:13:26,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.26ms. Allocated memory is still 197.1MB. Free memory was 159.8MB in the beginning and 149.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.06ms. Allocated memory is still 197.1MB. Free memory was 149.6MB in the beginning and 148.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,643 INFO L158 Benchmark]: Boogie Preprocessor took 13.34ms. Allocated memory is still 197.1MB. Free memory was 148.4MB in the beginning and 147.5MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:13:26,643 INFO L158 Benchmark]: RCFGBuilder took 215.12ms. Allocated memory is still 197.1MB. Free memory was 147.5MB in the beginning and 135.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,644 INFO L158 Benchmark]: CodeCheck took 9986.23ms. Allocated memory is still 197.1MB. Free memory was 135.8MB in the beginning and 77.1MB in the end (delta: 58.7MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,644 INFO L158 Benchmark]: Witness Printer took 30.97ms. Allocated memory is still 197.1MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:13:26,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 647 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 508 mSDsCounter, 754 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1517 IncrementalHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 754 mSolverCounterUnsat, 139 mSDtfsCounter, 1517 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3629 GetRequests, 3300 SyntacticMatches, 183 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9231 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 2630 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1756 ConjunctsInSsa, 413 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 1190/1806 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.26ms. Allocated memory is still 197.1MB. Free memory was 159.8MB in the beginning and 149.6MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.06ms. Allocated memory is still 197.1MB. Free memory was 149.6MB in the beginning and 148.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.34ms. Allocated memory is still 197.1MB. Free memory was 148.4MB in the beginning and 147.5MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 215.12ms. Allocated memory is still 197.1MB. Free memory was 147.5MB in the beginning and 135.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 9986.23ms. Allocated memory is still 197.1MB. Free memory was 135.8MB in the beginning and 77.1MB in the end (delta: 58.7MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Witness Printer took 30.97ms. Allocated memory is still 197.1MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:13:26,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f429d36-6931-4d7a-bd49-802ba3005c4f/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