./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/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_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:50,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:50,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:31:50,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:50,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:50,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:50,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:50,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:50,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:50,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:50,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:50,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:50,771 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:50,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:50,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:50,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:50,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:50,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:50,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:50,777 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:50,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:50,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:50,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:50,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:50,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:50,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:50,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:50,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:50,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:50,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:50,786 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:50,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:50,786 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:50,787 INFO L153 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_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa3b5fd31b0165adcc8931bdb36ef94241c9d1c36f2e335867de97d47f976fb [2023-11-21 18:31:51,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:51,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:51,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:51,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:51,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:51,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2023-11-21 18:31:54,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:54,873 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:54,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2023-11-21 18:31:54,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/data/0b6bd27c6/b4e6de42f87e42b3b3da4ee423d0de4d/FLAG2c144b76c [2023-11-21 18:31:54,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/data/0b6bd27c6/b4e6de42f87e42b3b3da4ee423d0de4d [2023-11-21 18:31:54,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:54,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:54,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:54,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:54,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:54,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:54" (1/1) ... [2023-11-21 18:31:54,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ff4a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:54, skipping insertion in model container [2023-11-21 18:31:54,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:54" (1/1) ... [2023-11-21 18:31:54,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:55,077 WARN L240 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_56043210-a20b-4764-8864-6158278276ec/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2023-11-21 18:31:55,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:55,106 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:55,119 WARN L240 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_56043210-a20b-4764-8864-6158278276ec/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i[300,313] [2023-11-21 18:31:55,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:55,139 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:55,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55 WrapperNode [2023-11-21 18:31:55,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:55,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:55,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:55,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:55,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,177 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2023-11-21 18:31:55,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:55,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:55,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:55,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:55,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:55,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:55,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:55,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:55,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:55,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:55,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:55,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:55,345 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:55,348 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:55,467 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:55,501 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:55,501 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:31:55,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:55 BoogieIcfgContainer [2023-11-21 18:31:55,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:55,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:55,504 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:55,529 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:55,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:55" (1/1) ... [2023-11-21 18:31:55,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2023-11-21 18:31:55,604 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2023-11-21 18:31:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:31:55,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-21 18:31:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-21 18:31:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:31:55,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:56,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2023-11-21 18:31:56,121 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2023-11-21 18:31:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:31:56,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:31:56,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:31:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:31:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:31:56,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:31:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:31:56,197 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-21 18:31:56,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:31:56 ImpRootNode [2023-11-21 18:31:56,221 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:31:56,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:31:56,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:31:56,222 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:31:56,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:55" (3/4) ... [2023-11-21 18:31:56,224 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:31:56,267 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:31:56,267 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:31:56,269 INFO L158 Benchmark]: Toolchain (without parser) took 1366.44ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 85.1MB in the beginning and 104.7MB in the end (delta: -19.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-21 18:31:56,269 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:56,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.71ms. Allocated memory is still 127.9MB. Free memory was 85.1MB in the beginning and 75.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:31:56,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.78ms. Allocated memory is still 127.9MB. Free memory was 75.0MB in the beginning and 73.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:56,271 INFO L158 Benchmark]: Boogie Preprocessor took 21.40ms. Allocated memory is still 127.9MB. Free memory was 73.9MB in the beginning and 72.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:56,272 INFO L158 Benchmark]: RCFGBuilder took 302.35ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 63.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:31:56,273 INFO L158 Benchmark]: CodeCheck took 716.78ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 63.2MB in the beginning and 105.7MB in the end (delta: -42.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:56,273 INFO L158 Benchmark]: Witness Printer took 45.88ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:56,277 INFO L338 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, 14 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, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 2 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 2 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, 0.2s 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 0.27ms. Allocated memory is still 127.9MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.71ms. Allocated memory is still 127.9MB. Free memory was 85.1MB in the beginning and 75.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.78ms. Allocated memory is still 127.9MB. Free memory was 75.0MB in the beginning and 73.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.40ms. Allocated memory is still 127.9MB. Free memory was 73.9MB in the beginning and 72.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.35ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 63.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 716.78ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 63.2MB in the beginning and 105.7MB in the end (delta: -42.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.88ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 104.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:31:56,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56043210-a20b-4764-8864-6158278276ec/bin/ukojak-verify-i0I2FZA1j2/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