./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/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_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/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_00ba6bec-a7a4-4193-b011-a10b8baf579d/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 0a70f1205afb9cca148fa8c17f899d7361834a55786fb03fe89056a7c6fb47c5 --- 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 20:03:24,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:03:24,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:03:24,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:03:24,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:03:24,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:03:24,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:03:24,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:03:24,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:03:24,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:03:24,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:03:24,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:03:24,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:03:24,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:03:24,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:03:24,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:03:24,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:03:24,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:03:24,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:03:24,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:03:24,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:03:24,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:03:24,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:03:24,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:03:24,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:03:24,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:03:24,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:03:24,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:03:24,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:03:24,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:03:24,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:03:24,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:03:24,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:03:24,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:03:24,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:03:24,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:03:24,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:03:24,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:03:24,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:03:24,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:03:24,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:03:24,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:03:24,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:03:24,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:03:24,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:03:24,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:03:24,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:03:24,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:03:24,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:03:24,843 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:03:24,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:03:24,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:03:24,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:03:24,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:03:24,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:03:24,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:03:24,844 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:03:24,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:03:24,844 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:03:24,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:03:24,844 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:03:24,845 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:03:24,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:03:24,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:03:24,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:03:24,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:03:24,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:03:24,846 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:03:24,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:03:24,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:03:24,846 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_00ba6bec-a7a4-4193-b011-a10b8baf579d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a70f1205afb9cca148fa8c17f899d7361834a55786fb03fe89056a7c6fb47c5 [2022-12-14 20:03:25,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:03:25,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:03:25,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:03:25,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:03:25,027 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:03:25,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c [2022-12-14 20:03:27,582 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:03:27,709 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:03:27,709 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c [2022-12-14 20:03:27,714 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/data/a00dab262/9ffb35c3563e4d7696a51bc66d1da096/FLAGc9aa69c3a [2022-12-14 20:03:28,141 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/data/a00dab262/9ffb35c3563e4d7696a51bc66d1da096 [2022-12-14 20:03:28,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:03:28,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:03:28,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:03:28,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:03:28,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:03:28,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157d0161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28, skipping insertion in model container [2022-12-14 20:03:28,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:03:28,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:03:28,261 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_00ba6bec-a7a4-4193-b011-a10b8baf579d/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c[520,533] [2022-12-14 20:03:28,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:03:28,279 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:03:28,287 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_00ba6bec-a7a4-4193-b011-a10b8baf579d/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c[520,533] [2022-12-14 20:03:28,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:03:28,300 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:03:28,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28 WrapperNode [2022-12-14 20:03:28,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:03:28,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:03:28,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:03:28,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:03:28,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,322 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-14 20:03:28,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:03:28,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:03:28,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:03:28,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:03:28,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,334 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:03:28,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:03:28,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:03:28,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:03:28,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:03:28,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:03:28,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:03:28,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:03:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:03:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:03:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:03:28,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:03:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 20:03:28,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 20:03:28,428 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:03:28,430 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:03:28,525 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:03:28,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:03:28,546 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:03:28,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:28 BoogieIcfgContainer [2022-12-14 20:03:28,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:03:28,549 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:03:28,549 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:03:28,556 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:03:28,556 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:28" (1/1) ... [2022-12-14 20:03:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:03:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-14 20:03:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-14 20:03:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:03:28,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:28,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:28,811 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 20:03:28,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-12-14 20:03:28,907 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-12-14 20:03:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:03:28,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:28,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:28,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 20:03:28,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:29,078 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 20:03:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2022-12-14 20:03:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2022-12-14 20:03:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:03:29,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:29,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:29,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 20:03:29,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:03:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2022-12-14 20:03:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-12-14 20:03:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:03:29,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:29,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:29,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 20:03:29,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:03:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2022-12-14 20:03:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-12-14 20:03:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 20:03:29,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:29,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:29,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 20:03:29,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 20:03:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:29,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2022-12-14 20:03:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-12-14 20:03:29,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 20:03:29,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:29,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:29,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 20:03:29,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 20:03:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2022-12-14 20:03:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 20:03:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 20:03:30,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:30,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:30,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 20:03:30,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 20:03:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:30,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2022-12-14 20:03:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-12-14 20:03:30,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 20:03:30,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:30,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:30,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 20:03:30,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 20:03:31,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2022-12-14 20:03:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-12-14 20:03:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 20:03:31,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:31,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 20:03:31,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 20:03:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2022-12-14 20:03:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-12-14 20:03:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 20:03:31,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:31,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:31,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 20:03:31,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:31,516 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 20:03:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2022-12-14 20:03:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-12-14 20:03:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:03:31,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:31,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:31,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 20:03:31,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 20:03:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:31,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2022-12-14 20:03:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-12-14 20:03:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 20:03:31,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:31,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:31,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 20:03:31,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 20:03:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2022-12-14 20:03:31,982 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2022-12-14 20:03:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 20:03:31,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:03:31,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:03:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:03:32,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 20:03:32,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:03:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 42 proven. 5 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 20:03:32,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:03:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 20 states and 28 transitions. [2022-12-14 20:03:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-12-14 20:03:32,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:03:32,441 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2022-12-14 20:03:32,447 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 20:03:32,598 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-14 20:03:32,607 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:03:32,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:03:32 ImpRootNode [2022-12-14 20:03:32,608 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:03:32,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:03:32,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:03:32,608 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:03:32,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:28" (3/4) ... [2022-12-14 20:03:32,611 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:03:32,616 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 20:03:32,619 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 20:03:32,620 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 20:03:32,620 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 20:03:32,620 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:03:32,655 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:03:32,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:03:32,655 INFO L158 Benchmark]: Toolchain (without parser) took 4511.04ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 100.7MB in the beginning and 132.5MB in the end (delta: -31.8MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2022-12-14 20:03:32,656 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:03:32,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.31ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 90.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:03:32,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.12ms. Allocated memory is still 140.5MB. Free memory was 90.2MB in the beginning and 88.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:03:32,657 INFO L158 Benchmark]: Boogie Preprocessor took 12.96ms. Allocated memory is still 140.5MB. Free memory was 88.7MB in the beginning and 87.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:03:32,657 INFO L158 Benchmark]: RCFGBuilder took 212.31ms. Allocated memory is still 140.5MB. Free memory was 87.6MB in the beginning and 75.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:03:32,657 INFO L158 Benchmark]: CodeCheck took 4058.86ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 75.8MB in the beginning and 135.6MB in the end (delta: -59.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-12-14 20:03:32,658 INFO L158 Benchmark]: Witness Printer took 46.91ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 132.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:03:32,659 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 621 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 772 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1966 IncrementalHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 772 mSolverCounterUnsat, 159 mSDtfsCounter, 1966 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2900 GetRequests, 2754 SyntacticMatches, 64 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2888 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 353 ConstructedInterpolants, 0 QuantifiedInterpolants, 1171 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1130 ConjunctsInSsa, 175 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 503/589 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: s == 4 || !(t == 1 + 2 * a && 2 == 2 * a) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 140.5MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.31ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 90.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.12ms. Allocated memory is still 140.5MB. Free memory was 90.2MB in the beginning and 88.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.96ms. Allocated memory is still 140.5MB. Free memory was 88.7MB in the beginning and 87.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 212.31ms. Allocated memory is still 140.5MB. Free memory was 87.6MB in the beginning and 75.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 4058.86ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 75.8MB in the beginning and 135.6MB in the end (delta: -59.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Witness Printer took 46.91ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 132.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:03:32,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00ba6bec-a7a4-4193-b011-a10b8baf579d/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