./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/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_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/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_2705ae66-30d1-4e1c-b146-64693171a9a0/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 6b537bfce1176c41c6bc215444effcd63b1e343cf1b15ee69a282ebedb146c69 --- 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 16:46:37,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:37,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:37,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:37,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:37,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:37,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:37,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:37,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:37,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:37,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:37,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:37,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:37,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:37,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:37,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:37,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:37,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:37,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:37,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:37,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:37,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:37,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:37,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:37,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:37,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:37,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:37,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:37,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:37,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:37,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:37,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:37,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:37,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:37,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:37,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:37,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:37,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:37,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:37,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:37,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:37,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:37,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:37,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:37,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:37,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:37,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:37,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:37,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:37,602 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:37,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:37,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:37,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:37,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:37,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:37,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:37,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:37,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:37,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:37,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:37,621 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:37,621 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:37,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:37,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:37,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:37,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:37,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:37,623 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:37,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:37,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:37,624 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_2705ae66-30d1-4e1c-b146-64693171a9a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b537bfce1176c41c6bc215444effcd63b1e343cf1b15ee69a282ebedb146c69 [2022-10-17 16:46:37,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:37,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:37,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:37,988 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:37,990 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:37,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c [2022-10-17 16:46:38,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/data/3e76b7ebe/ae1f1a929b914f8cb3c93aacc4adcaa5/FLAGd7b2f00c0 [2022-10-17 16:46:38,543 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:38,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c [2022-10-17 16:46:38,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/data/3e76b7ebe/ae1f1a929b914f8cb3c93aacc4adcaa5/FLAGd7b2f00c0 [2022-10-17 16:46:38,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/data/3e76b7ebe/ae1f1a929b914f8cb3c93aacc4adcaa5 [2022-10-17 16:46:38,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:38,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:38,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:38,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:38,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:38,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:38" (1/1) ... [2022-10-17 16:46:38,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@983046f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:38, skipping insertion in model container [2022-10-17 16:46:38,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:38" (1/1) ... [2022-10-17 16:46:38,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:38,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:39,163 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_2705ae66-30d1-4e1c-b146-64693171a9a0/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c[588,601] [2022-10-17 16:46:39,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:39,219 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:39,238 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_2705ae66-30d1-4e1c-b146-64693171a9a0/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound1.c[588,601] [2022-10-17 16:46:39,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:39,288 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:39,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39 WrapperNode [2022-10-17 16:46:39,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:39,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:39,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:39,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:39,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,328 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-10-17 16:46:39,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:39,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:39,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:39,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:39,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,351 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:39,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:39,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:39,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:39,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:39,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:39,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:39,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:46:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:46:39,516 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:39,519 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:39,764 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:39,812 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:39,812 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:46:39,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:39 BoogieIcfgContainer [2022-10-17 16:46:39,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:39,816 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:39,816 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:39,840 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:39,840 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:39" (1/1) ... [2022-10-17 16:46:39,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-10-17 16:46:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-10-17 16:46:39,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:46:39,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:39,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:40,124 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 16:46:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 16:46:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 16:46:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:46:40,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:40,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:40,373 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 16:46:40,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:46:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:46:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:46:40,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:40,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:40,658 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 16:46:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2022-10-17 16:46:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-10-17 16:46:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:46:41,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:41,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:41,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:41,234 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 16:46:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2022-10-17 16:46:41,712 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:46:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:46:41,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:41,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:41,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:41,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:41,901 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 16:46:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2022-10-17 16:46:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-10-17 16:46:42,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:46:42,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:42,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:42,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:46:42,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:46:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2022-10-17 16:46:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2022-10-17 16:46:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:46:43,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:43,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:43,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:43,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:46:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2022-10-17 16:46:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2022-10-17 16:46:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:46:43,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:43,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:43,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:43,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:46:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2022-10-17 16:46:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-10-17 16:46:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:46:44,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:44,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:44,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:44,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:46:44,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 85 transitions. [2022-10-17 16:46:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 16:46:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:46:44,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:44,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:44,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:44,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:46:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 48 states and 90 transitions. [2022-10-17 16:46:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2022-10-17 16:46:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:46:45,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:45,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:45,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:46:45,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:46:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 58 states and 137 transitions. [2022-10-17 16:46:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 137 transitions. [2022-10-17 16:46:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:46:46,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:46,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:46,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:46:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:46,942 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2022-10-17 16:46:46,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:46:46 ImpRootNode [2022-10-17 16:46:46,981 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:46:46,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:46:46,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:46:46,982 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:46:46,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:39" (3/4) ... [2022-10-17 16:46:46,984 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:46:47,057 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:46:47,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:46:47,059 INFO L158 Benchmark]: Toolchain (without parser) took 8127.95ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 62.4MB in the beginning and 113.0MB in the end (delta: -50.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:47,059 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:47,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.37ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 79.8MB in the end (delta: -17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:46:47,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.07ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:47,062 INFO L158 Benchmark]: Boogie Preprocessor took 24.92ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:47,063 INFO L158 Benchmark]: RCFGBuilder took 459.90ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 64.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:46:47,064 INFO L158 Benchmark]: CodeCheck took 7164.50ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 64.8MB in the beginning and 115.1MB in the end (delta: -50.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:47,065 INFO L158 Benchmark]: Witness Printer took 76.72ms. Allocated memory is still 151.0MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:47,069 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 619 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 470 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 546 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1605 IncrementalHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 546 mSolverCounterUnsat, 438 mSDtfsCounter, 1605 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2333 GetRequests, 2162 SyntacticMatches, 47 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6681 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 669 SizeOfPredicates, 9 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 294/310 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] short a; [L25] long long n, x, y, z; [L26] a = __VERIFIER_nondet_ushort() [L28] n = 0 [L29] x = 0 [L30] y = 1 [L31] z = 6 VAL [a=1, counter=0, n=0, x=0, y=1, z=6] [L33] EXPR counter++ VAL [a=1, counter=1, counter++=0, n=0, x=0, y=1, z=6] [L33] COND TRUE counter++<1 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [a=1, counter=1, n=0, x=0, y=1, z=6] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [a=1, counter=1, n=0, x=0, y=1, z=6] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [a=1, counter=1, n=0, x=0, y=1, z=6] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [a=1, counter=1, n=0, x=0, y=1, z=6] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [a=1, counter=1, n=0, x=0, y=1, z=6] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [a=1, counter=1, n=1, x=1, y=7, z=12] [L33] EXPR counter++ VAL [a=1, counter=2, counter++=1, n=1, x=1, y=7, z=12] [L33] COND FALSE !(counter++<1) [L48] CALL __VERIFIER_assert(z == 6*n + 6) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L48] RET __VERIFIER_assert(z == 6*n + 6) VAL [a=1, counter=2, n=1, x=1, y=7, z=12] [L49] CALL __VERIFIER_assert(6*a*x - x*z + 12*x == 0) VAL [\old(cond)=0, counter=2] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=2] [L17] reach_error() VAL [\old(cond)=0, cond=0, counter=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.37ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 79.8MB in the end (delta: -17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.07ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.92ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 77.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.90ms. Allocated memory is still 104.9MB. Free memory was 77.0MB in the beginning and 64.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 7164.50ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 64.8MB in the beginning and 115.1MB in the end (delta: -50.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.72ms. Allocated memory is still 151.0MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:46:47,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2705ae66-30d1-4e1c-b146-64693171a9a0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE