./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:36:56,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:56,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:56,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:56,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:56,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:56,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:56,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:56,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:56,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:56,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:56,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:56,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:56,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:56,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:56,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:56,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:56,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:56,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:56,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:56,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:56,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:56,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:56,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:56,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:56,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:56,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:56,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:56,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:56,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:56,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:56,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:56,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:56,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:56,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:56,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:56,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:56,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:56,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:56,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:56,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:56,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:56,385 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:56,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:56,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:56,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:56,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:56,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:56,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:56,400 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:56,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:56,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:56,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:56,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:56,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:56,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:56,403 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:56,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:56,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:56,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:56,403 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:56,404 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:56,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:56,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:56,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:56,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:56,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:56,405 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:56,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:56,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:56,417 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_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 [2022-10-17 16:36:56,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:56,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:56,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:56,787 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:56,789 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:56,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2022-10-17 16:36:56,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/data/f0eff8d9c/615b1482b6a243a881c5fbc553a35a83/FLAGe400d6827 [2022-10-17 16:36:57,371 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:57,374 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2022-10-17 16:36:57,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/data/f0eff8d9c/615b1482b6a243a881c5fbc553a35a83/FLAGe400d6827 [2022-10-17 16:36:57,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/data/f0eff8d9c/615b1482b6a243a881c5fbc553a35a83 [2022-10-17 16:36:57,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:57,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:57,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:57,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:57,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:57,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:57" (1/1) ... [2022-10-17 16:36:57,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15016c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:57, skipping insertion in model container [2022-10-17 16:36:57,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:57" (1/1) ... [2022-10-17 16:36:57,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:57,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:57,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2022-10-17 16:36:57,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:57,967 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:57,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2022-10-17 16:36:57,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:58,003 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:58,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58 WrapperNode [2022-10-17 16:36:58,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:58,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:58,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:58,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:58,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,041 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-10-17 16:36:58,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:58,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:58,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:58,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:58,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,060 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:58,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:58,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:58,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:58,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:58,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:58,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:58,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:36:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:36:58,217 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:58,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:58,378 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:58,429 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:58,429 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:36:58,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:58 BoogieIcfgContainer [2022-10-17 16:36:58,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:58,433 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:58,433 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:58,450 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:58,450 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:58" (1/1) ... [2022-10-17 16:36:58,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 16:36:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 16:36:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:36:58,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:58,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-10-17 16:36:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-10-17 16:36:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:59,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:36:59,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-10-17 16:36:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-10-17 16:36:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:36:59,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:36:59,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2022-10-17 16:36:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2022-10-17 16:36:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:36:59,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:36:59,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:37:00,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2022-10-17 16:37:00,409 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-10-17 16:37:00,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:37:00,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:00,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:00,580 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:37:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2022-10-17 16:37:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-10-17 16:37:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:37:00,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:00,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:37:01,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2022-10-17 16:37:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:37:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:37:01,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:01,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:01,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:37:01,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:37:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2022-10-17 16:37:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-10-17 16:37:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:37:01,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:01,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:01,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:01,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:37:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2022-10-17 16:37:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-10-17 16:37:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:37:02,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:02,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:02,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:02,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:37:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:03,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2022-10-17 16:37:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-10-17 16:37:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:37:03,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:03,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:03,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-17 16:37:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2022-10-17 16:37:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-10-17 16:37:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:37:03,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:03,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:37:03,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:37:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2022-10-17 16:37:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-10-17 16:37:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:37:03,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:03,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:03,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-10-17 16:37:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2022-10-17 16:37:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2022-10-17 16:37:03,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:37:03,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:37:03,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:37:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2022-10-17 16:37:04,571 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-10-17 16:37:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:37:04,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:04,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:04,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:37:04,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:04,736 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:37:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2022-10-17 16:37:05,111 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-10-17 16:37:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:37:05,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:05,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:05,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:05,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-10-17 16:37:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2022-10-17 16:37:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-10-17 16:37:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:37:05,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:05,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:05,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:37:05,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:37:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 79 transitions. [2022-10-17 16:37:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-10-17 16:37:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:37:05,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:05,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:05,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:05,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-10-17 16:37:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 78 transitions. [2022-10-17 16:37:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2022-10-17 16:37:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:37:06,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:06,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:06,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:37:06,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:37:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 80 transitions. [2022-10-17 16:37:06,867 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2022-10-17 16:37:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:37:06,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:06,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:06,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:37:06,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:07,136 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:37:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 84 transitions. [2022-10-17 16:37:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2022-10-17 16:37:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 16:37:07,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:07,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:07,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:07,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:07,693 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-10-17 16:37:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 85 transitions. [2022-10-17 16:37:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2022-10-17 16:37:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:37:07,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:07,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:07,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:37:07,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:37:08,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 91 transitions. [2022-10-17 16:37:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2022-10-17 16:37:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 16:37:08,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:08,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:08,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-10-17 16:37:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 90 transitions. [2022-10-17 16:37:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2022-10-17 16:37:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:37:08,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:08,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:37:08,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:37:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 92 transitions. [2022-10-17 16:37:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2022-10-17 16:37:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:37:09,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:09,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:09,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:37:09,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:37:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 96 transitions. [2022-10-17 16:37:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2022-10-17 16:37:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:37:10,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:10,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:10,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:10,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-10-17 16:37:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 97 transitions. [2022-10-17 16:37:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-10-17 16:37:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:37:11,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:11,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:11,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:37:11,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 70 proven. 20 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-17 16:37:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 41 states and 62 transitions. [2022-10-17 16:37:13,743 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2022-10-17 16:37:13,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:37:13,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:13,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:37:13,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-10-17 16:37:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 35 states and 55 transitions. [2022-10-17 16:37:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2022-10-17 16:37:14,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:37:14,418 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2022-10-17 16:37:14,428 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:37:15,042 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2022-10-17 16:37:15,052 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:37:15,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:37:15 ImpRootNode [2022-10-17 16:37:15,053 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:37:15,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:37:15,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:37:15,054 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:37:15,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:58" (3/4) ... [2022-10-17 16:37:15,057 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:37:15,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:37:15,066 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 16:37:15,066 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:37:15,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:37:15,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:37:15,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:37:15,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:37:15,113 INFO L158 Benchmark]: Toolchain (without parser) took 17387.62ms. Allocated memory was 83.9MB in the beginning and 218.1MB in the end (delta: 134.2MB). Free memory was 44.4MB in the beginning and 108.2MB in the end (delta: -63.9MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2022-10-17 16:37:15,113 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:15,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.25ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 44.2MB in the beginning and 76.5MB in the end (delta: -32.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:37:15,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.40ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:15,114 INFO L158 Benchmark]: Boogie Preprocessor took 21.14ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 73.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:15,115 INFO L158 Benchmark]: RCFGBuilder took 367.93ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 61.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:37:15,115 INFO L158 Benchmark]: CodeCheck took 16619.77ms. Allocated memory was 100.7MB in the beginning and 218.1MB in the end (delta: 117.4MB). Free memory was 61.8MB in the beginning and 110.3MB in the end (delta: -48.5MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2022-10-17 16:37:15,116 INFO L158 Benchmark]: Witness Printer took 58.44ms. Allocated memory is still 218.1MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:37:15,118 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: 15.9s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2404 SdHoareTripleChecker+Valid, 20.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 578 mSDsluCounter, 1425 SdHoareTripleChecker+Invalid, 16.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 780 mSDsCounter, 3372 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7432 IncrementalHoareTripleChecker+Invalid, 10804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3372 mSolverCounterUnsat, 645 mSDtfsCounter, 7432 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9637 GetRequests, 9211 SyntacticMatches, 254 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15637 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 4197 SizeOfPredicates, 43 NumberOfNonLiveVariables, 3679 ConjunctsInSsa, 383 ConjunctsInUnsatCore, 27 InterpolantComputations, 3 PerfectInterpolantSequences, 4863/5200 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: ((((((!(5 == t && 2 == a) && !(t == 1 + 2 * a && 2 == 2 * a)) && !(9 == t && a == 4)) && !(7 == t && 3 == a)) || (16 == s && 3 == a)) || (9 == s && 2 == a)) || (s == 2 + 2 * a && 2 == 2 * a)) || (s == 25 && a == 4) - 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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.25ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 44.2MB in the beginning and 76.5MB in the end (delta: -32.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.40ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.14ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 73.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.93ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 61.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 16619.77ms. Allocated memory was 100.7MB in the beginning and 218.1MB in the end (delta: 117.4MB). Free memory was 61.8MB in the beginning and 110.3MB in the end (delta: -48.5MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. * Witness Printer took 58.44ms. Allocated memory is still 218.1MB. Free memory was 110.3MB in the beginning and 108.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:37:15,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf02621-57f3-461b-bd7d-5860efe79b6b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE