./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --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_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/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_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/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_85cfed7b-3ecc-4d95-8311-31175226aea6/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 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb --- 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 16:55:04,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:04,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:04,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:04,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:04,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:04,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:04,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:04,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:04,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:04,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:04,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:04,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:04,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:04,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:04,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:04,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:04,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:04,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:04,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:04,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:04,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:04,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:04,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:04,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:04,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:04,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:04,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:04,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:04,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:04,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:04,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:04,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:04,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:04,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:04,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:04,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:04,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:04,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:04,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:04,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:04,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:55:04,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:04,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:04,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:04,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:04,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:04,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:04,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:04,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:04,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:04,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:04,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:04,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:04,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:04,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:04,737 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:04,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:04,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:04,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:04,738 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:04,738 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:04,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:04,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:04,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:04,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:04,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:04,739 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:04,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:04,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:04,748 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_85cfed7b-3ecc-4d95-8311-31175226aea6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb [2022-10-17 16:55:05,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:05,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:05,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:05,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:05,053 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:05,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2022-10-17 16:55:05,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/data/1ebe17942/b1f13090b9ed4e73bffdab5c9ff9b7ec/FLAGf7099d57b [2022-10-17 16:55:05,577 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:05,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2022-10-17 16:55:05,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/data/1ebe17942/b1f13090b9ed4e73bffdab5c9ff9b7ec/FLAGf7099d57b [2022-10-17 16:55:05,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/data/1ebe17942/b1f13090b9ed4e73bffdab5c9ff9b7ec [2022-10-17 16:55:05,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:05,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:05,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:05,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:05,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:05,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:05" (1/1) ... [2022-10-17 16:55:05,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f5afe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:05, skipping insertion in model container [2022-10-17 16:55:05,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:05" (1/1) ... [2022-10-17 16:55:05,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:05,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:06,160 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_85cfed7b-3ecc-4d95-8311-31175226aea6/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2022-10-17 16:55:06,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:06,191 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:06,204 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_85cfed7b-3ecc-4d95-8311-31175226aea6/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2022-10-17 16:55:06,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:06,221 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:06,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06 WrapperNode [2022-10-17 16:55:06,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:06,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:06,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:06,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:06,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,261 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-10-17 16:55:06,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:06,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:06,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:06,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:06,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,284 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:06,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:06,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:06,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:06,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:06,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:06,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:06,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:06,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:06,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:06,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:06,447 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:06,449 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:06,585 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:06,632 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:06,633 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:55:06,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:06 BoogieIcfgContainer [2022-10-17 16:55:06,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:06,638 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:06,638 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:06,648 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:06,649 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:06" (1/1) ... [2022-10-17 16:55:06,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2022-10-17 16:55:06,744 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2022-10-17 16:55:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:55:06,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:06,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:06,920 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 16:55:06,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-10-17 16:55:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-10-17 16:55:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:55:06,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:07,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-10-17 16:55:07,176 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-10-17 16:55:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:55:07,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:07,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:55:07,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:55:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:55:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:55:07,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:55:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:55:07,252 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-10-17 16:55:07,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:55:07 ImpRootNode [2022-10-17 16:55:07,286 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:55:07,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:55:07,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:55:07,287 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:55:07,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:06" (3/4) ... [2022-10-17 16:55:07,290 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:55:07,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:55:07,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:55:07,356 INFO L158 Benchmark]: Toolchain (without parser) took 1410.08ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 45.1MB in the beginning and 40.0MB in the end (delta: 5.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-10-17 16:55:07,357 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:55:07,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.94ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 44.9MB in the beginning and 77.2MB in the end (delta: -32.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:55:07,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.84ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 75.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:55:07,360 INFO L158 Benchmark]: Boogie Preprocessor took 27.25ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 74.7MB in the end (delta: 920.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:55:07,360 INFO L158 Benchmark]: RCFGBuilder took 345.12ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 65.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:55:07,363 INFO L158 Benchmark]: CodeCheck took 648.04ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 41.8MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-10-17 16:55:07,364 INFO L158 Benchmark]: Witness Printer took 69.14ms. Allocated memory is still 100.7MB. Free memory was 41.8MB in the beginning and 40.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:55:07,366 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] int i=0; VAL [i=0] [L15] COND TRUE i<5 [L16] i++ VAL [i=1] [L18] (i!=3) ? (0) : __blast_assert () VAL [i=1] [L15] COND TRUE i<5 [L16] i++ VAL [i=2] [L18] (i!=3) ? (0) : __blast_assert () VAL [i=2] [L15] COND TRUE i<5 [L16] i++ VAL [i=3] [L18] (i!=3) ? (0) : __blast_assert () [L18] CALL __blast_assert () [L8] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.94ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 44.9MB in the beginning and 77.2MB in the end (delta: -32.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.84ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 75.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.25ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 74.7MB in the end (delta: 920.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.12ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 65.2MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 648.04ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 41.8MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 69.14ms. Allocated memory is still 100.7MB. Free memory was 41.8MB in the beginning and 40.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:55:07,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85cfed7b-3ecc-4d95-8311-31175226aea6/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