./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ncompf.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_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/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_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ncompf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/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_6dbe90ce-be60-4569-adb4-d06d5129d326/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 9828ae97bd89bb8bc9e03b825846d0b3720f0cca297df36eda8ff823667b1534 --- 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 17:05:48,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:48,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:48,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:48,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:48,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:48,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:48,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:48,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:48,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:48,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:48,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:48,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:48,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:48,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:48,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:48,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:48,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:48,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:48,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:48,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:48,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:48,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:48,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:48,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:48,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:48,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:48,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:48,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:48,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:48,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:48,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:48,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:48,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:48,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:48,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:48,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:48,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:48,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:48,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:48,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:48,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:48,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:48,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:48,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:48,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:48,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:48,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:48,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:48,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:48,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:48,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:48,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:48,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:48,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:48,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:48,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:48,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:48,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:48,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:48,693 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:48,693 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:48,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:48,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:48,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:48,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:48,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:48,694 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:48,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:48,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:48,696 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_6dbe90ce-be60-4569-adb4-d06d5129d326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9828ae97bd89bb8bc9e03b825846d0b3720f0cca297df36eda8ff823667b1534 [2022-10-17 17:05:48,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:48,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:48,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:48,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:48,994 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:48,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ncompf.c [2022-10-17 17:05:49,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/data/725ab046b/0e6b59f3649d40fb8412d4003946ddfa/FLAG2e461115e [2022-10-17 17:05:49,525 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:49,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/sv-benchmarks/c/array-fpi/ncompf.c [2022-10-17 17:05:49,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/data/725ab046b/0e6b59f3649d40fb8412d4003946ddfa/FLAG2e461115e [2022-10-17 17:05:49,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/data/725ab046b/0e6b59f3649d40fb8412d4003946ddfa [2022-10-17 17:05:49,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:49,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:49,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:49,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:49,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:49,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:49,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8ddf95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49, skipping insertion in model container [2022-10-17 17:05:49,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:49,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:49,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:50,104 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_6dbe90ce-be60-4569-adb4-d06d5129d326/sv-benchmarks/c/array-fpi/ncompf.c[589,602] [2022-10-17 17:05:50,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:50,134 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:50,146 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_6dbe90ce-be60-4569-adb4-d06d5129d326/sv-benchmarks/c/array-fpi/ncompf.c[589,602] [2022-10-17 17:05:50,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:50,168 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:50,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50 WrapperNode [2022-10-17 17:05:50,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:50,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:50,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:50,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:50,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,203 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-10-17 17:05:50,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:50,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:50,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:50,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:50,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,228 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:50,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:50,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:50,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:50,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:50,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:50,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:50,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:05:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:05:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:05:50,383 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:50,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:50,547 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:50,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:50,593 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:05:50,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:50 BoogieIcfgContainer [2022-10-17 17:05:50,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:50,597 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:50,597 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:50,606 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:50,606 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:50,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 17:05:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 17:05:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:05:50,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:50,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:05:51,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:05:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:05:51,103 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 17:05:51,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:05:51 ImpRootNode [2022-10-17 17:05:51,146 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:05:51,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:05:51,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:05:51,149 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:05:51,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:50" (3/4) ... [2022-10-17 17:05:51,152 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:05:51,204 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dbe90ce-be60-4569-adb4-d06d5129d326/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:05:51,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:05:51,206 INFO L158 Benchmark]: Toolchain (without parser) took 1317.37ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 55.6MB in the beginning and 85.5MB in the end (delta: -29.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:51,206 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 24.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:51,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.78ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 65.5MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:05:51,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.74ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 64.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:51,208 INFO L158 Benchmark]: Boogie Preprocessor took 27.80ms. Allocated memory is still 92.3MB. Free memory was 63.7MB in the beginning and 62.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:51,209 INFO L158 Benchmark]: RCFGBuilder took 363.06ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 47.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:05:51,209 INFO L158 Benchmark]: CodeCheck took 549.55ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 47.3MB in the beginning and 87.6MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:05:51,210 INFO L158 Benchmark]: Witness Printer took 56.63ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:05:51,214 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 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L30] long long *c = malloc(sizeof(long long)*N); [L32] a[0] = 6 [L33] b[0] = 1 [L34] c[0] = 0 [L35] i=1 VAL [a={-3:0}, b={-2:0}, c={-1:0}, i=1, N=1] [L35] COND FALSE !(i