./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/for_bounded_loop1.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_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/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_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/for_bounded_loop1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/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_eebc5a58-bf13-44e8-8a36-5df279909a41/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 d362508cc6d10100af1abe34073a764b50319c9e1ae9c7cc9c70a242e3f5c8c4 --- 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 17:06:13,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:13,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:13,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:13,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:13,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:13,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:13,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:13,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:13,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:13,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:13,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:13,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:13,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:13,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:13,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:13,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:13,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:13,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:13,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:13,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:13,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:13,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:13,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:13,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:13,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:13,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:13,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:13,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:13,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:13,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:13,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:13,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:13,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:13,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:13,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:13,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:13,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:13,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:13,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:13,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:13,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:13,177 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:13,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:13,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:13,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:13,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:13,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:13,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:13,180 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:13,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:13,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:13,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:13,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:13,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:13,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:13,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:13,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:13,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:13,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:13,183 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:13,184 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:13,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:13,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:13,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:13,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:13,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:13,196 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:13,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:13,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:13,198 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_eebc5a58-bf13-44e8-8a36-5df279909a41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d362508cc6d10100af1abe34073a764b50319c9e1ae9c7cc9c70a242e3f5c8c4 [2022-10-17 17:06:13,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:13,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:13,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:13,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:13,497 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:13,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/for_bounded_loop1.c [2022-10-17 17:06:13,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/data/fbdc6fd7d/ddd4b287503c4ae1a056110ebd3c3085/FLAG98b970f5a [2022-10-17 17:06:14,040 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:14,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/sv-benchmarks/c/loops/for_bounded_loop1.c [2022-10-17 17:06:14,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/data/fbdc6fd7d/ddd4b287503c4ae1a056110ebd3c3085/FLAG98b970f5a [2022-10-17 17:06:14,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/data/fbdc6fd7d/ddd4b287503c4ae1a056110ebd3c3085 [2022-10-17 17:06:14,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:14,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:14,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:14,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:14,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:14,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd0e860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14, skipping insertion in model container [2022-10-17 17:06:14,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:14,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:14,698 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_eebc5a58-bf13-44e8-8a36-5df279909a41/sv-benchmarks/c/loops/for_bounded_loop1.c[416,429] [2022-10-17 17:06:14,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:14,725 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:14,739 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_eebc5a58-bf13-44e8-8a36-5df279909a41/sv-benchmarks/c/loops/for_bounded_loop1.c[416,429] [2022-10-17 17:06:14,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:14,759 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:14,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14 WrapperNode [2022-10-17 17:06:14,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:14,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:14,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:14,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:14,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,797 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 17:06:14,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:14,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:14,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:14,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:14,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,818 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:14,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:14,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:14,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:14,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:14" (1/1) ... [2022-10-17 17:06:14,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:14,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:14,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:14,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:06:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:06:14,974 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:14,976 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:15,150 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:15,170 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:15,175 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:06:15,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:15 BoogieIcfgContainer [2022-10-17 17:06:15,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:15,180 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:15,180 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:15,190 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:15,191 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 17:06:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 17:06:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:15,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:15,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:15,488 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 17:06:15,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:15,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 17:06:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 17:06:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:06:15,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:15,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:15,845 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 17:06:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 31 transitions. [2022-10-17 17:06:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 17:06:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:16,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:16,504 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 17:06:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 30 transitions. [2022-10-17 17:06:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-10-17 17:06:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:06:16,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:06:16,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:06:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:06:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:06:16,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:06:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:06:16,740 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 17:06:16,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:06:16 ImpRootNode [2022-10-17 17:06:16,784 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:06:16,784 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:06:16,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:06:16,785 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:06:16,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:15" (3/4) ... [2022-10-17 17:06:16,789 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:06:16,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebc5a58-bf13-44e8-8a36-5df279909a41/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:06:16,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:06:16,853 INFO L158 Benchmark]: Toolchain (without parser) took 2403.26ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 60.8MB in the beginning and 74.0MB in the end (delta: -13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:06:16,853 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:06:16,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.53ms. Allocated memory is still 102.8MB. Free memory was 60.6MB in the beginning and 77.8MB in the end (delta: -17.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:06:16,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.32ms. Allocated memory is still 102.8MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:06:16,854 INFO L158 Benchmark]: Boogie Preprocessor took 22.02ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 75.3MB in the end (delta: 936.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:06:16,855 INFO L158 Benchmark]: RCFGBuilder took 357.30ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 64.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:06:16,855 INFO L158 Benchmark]: CodeCheck took 1604.30ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 64.9MB in the beginning and 76.1MB in the end (delta: -11.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-10-17 17:06:16,856 INFO L158 Benchmark]: Witness Printer took 67.26ms. Allocated memory is still 125.8MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:06:16,859 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: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 48 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 201 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 11]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int i=0, x=0, y=0; [L20] int n=__VERIFIER_nondet_int(); [L21] COND FALSE !(!(n>0)) [L22] i=0 VAL [i=0, n=1, x=0, y=0] [L22] COND TRUE i