./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI --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 e57b7a688a4809923d49abd295c8957f721362e148c6f16fbec21211e82ecfa2 ................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:08:54,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:08:54,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:08:54,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:08:54,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:08:54,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:08:54,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:08:54,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:08:54,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:08:54,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:08:54,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:08:54,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:08:54,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:08:54,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:08:54,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:08:54,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:08:54,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:08:54,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:08:54,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:08:54,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:08:54,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:08:54,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:08:54,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:08:54,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:08:54,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:08:54,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:08:54,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:08:54,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:08:54,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:08:54,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:08:54,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:08:54,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:08:54,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:08:54,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:08:54,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:08:54,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:08:54,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:08:54,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:08:54,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:08:54,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:08:54,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:08:54,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:08:54,658 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:08:54,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:08:54,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:08:54,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:08:54,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:08:54,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:08:54,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:08:54,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:08:54,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:08:54,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:08:54,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:08:54,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:08:54,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:08:54,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:08:54,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:08:54,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:08:54,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:08:54,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:08:54,664 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:08:54,665 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:08:54,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:08:54,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:54,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:08:54,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:08:54,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:08:54,666 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:08:54,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:08:54,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:08:54,667 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_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e57b7a688a4809923d49abd295c8957f721362e148c6f16fbec21211e82ecfa2 [2021-10-29 03:08:54,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:08:54,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:08:54,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:08:54,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:08:54,958 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:08:54,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c [2021-10-29 03:08:55,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/data/6c2dfc26b/1319e77c9a1d473c94606c8886a4e1f8/FLAG6f02049ae [2021-10-29 03:08:55,703 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:08:55,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c [2021-10-29 03:08:55,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/data/6c2dfc26b/1319e77c9a1d473c94606c8886a4e1f8/FLAG6f02049ae [2021-10-29 03:08:56,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/data/6c2dfc26b/1319e77c9a1d473c94606c8886a4e1f8 [2021-10-29 03:08:56,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:08:56,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:08:56,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:56,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:08:56,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:08:56,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200dcd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56, skipping insertion in model container [2021-10-29 03:08:56,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:08:56,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:08:56,350 WARN L228 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_37a5064f-8aca-4f37-9c27-6c4952ae9add/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c[555,568] [2021-10-29 03:08:56,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:56,398 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:08:56,415 WARN L228 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_37a5064f-8aca-4f37-9c27-6c4952ae9add/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound2.c[555,568] [2021-10-29 03:08:56,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:08:56,450 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:08:56,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56 WrapperNode [2021-10-29 03:08:56,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:08:56,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:56,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:08:56,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:08:56,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:08:56,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:08:56,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:08:56,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:08:56,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:08:56,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:08:56,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:08:56,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:08:56,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:08:56" (1/1) ... [2021-10-29 03:08:56,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:08:56,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:08:56,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:08:56,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:08:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:08:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:08:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:08:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:08:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:08:56,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:08:57,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:08:57,040 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:08:57,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:57 BoogieIcfgContainer [2021-10-29 03:08:57,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:08:57,044 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:08:57,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:08:57,073 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:08:57,074 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:57" (1/1) ... [2021-10-29 03:08:57,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:08:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-10-29 03:08:57,150 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-10-29 03:08:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:57,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:57,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-10-29 03:08:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-10-29 03:08:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:08:57,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:57,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:57,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:08:57,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:08:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:57,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-10-29 03:08:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-10-29 03:08:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:08:57,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:57,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:08:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:08:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:08:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-10-29 03:08:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-10-29 03:08:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:08:58,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:08:58,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:08:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:08:58,285 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:08:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:08:58,328 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-10-29 03:08:58,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:08:58 ImpRootNode [2021-10-29 03:08:58,367 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:08:58,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:08:58,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:08:58,368 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:08:58,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:08:57" (3/4) ... [2021-10-29 03:08:58,372 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:08:58,453 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:08:58,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:08:58,456 INFO L168 Benchmark]: Toolchain (without parser) took 2398.50 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 55.9 MB in the beginning and 74.3 MB in the end (delta: -18.4 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:58,457 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 60.0 MB in the beginning and 60.0 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:08:58,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.69 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 55.6 MB in the beginning and 91.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:58,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.86 ms. Allocated memory is still 115.3 MB. Free memory was 91.8 MB in the beginning and 90.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:58,461 INFO L168 Benchmark]: Boogie Preprocessor took 47.90 ms. Allocated memory is still 115.3 MB. Free memory was 90.5 MB in the beginning and 89.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:08:58,462 INFO L168 Benchmark]: RCFGBuilder took 488.10 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 78.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:58,477 INFO L168 Benchmark]: CodeCheck took 1322.78 ms. Allocated memory is still 115.3 MB. Free memory was 78.9 MB in the beginning and 76.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:58,479 INFO L168 Benchmark]: Witness Printer took 85.56 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 74.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:08:58,486 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 16 SDslu, 16 SDs, 0 SdLazy, 80 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 1 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [counter=0] [L33] EXPR counter++ VAL [counter=1] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L36] COND TRUE !(c < k) VAL [counter=1] [L45] x = x * (z - 1) VAL [counter=1] [L47] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0, counter=1] [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=1] [L18] reach_error() VAL [\old(cond)=0, cond=0, counter=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 60.0 MB in the beginning and 60.0 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 393.69 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 55.6 MB in the beginning and 91.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.86 ms. Allocated memory is still 115.3 MB. Free memory was 91.8 MB in the beginning and 90.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.90 ms. Allocated memory is still 115.3 MB. Free memory was 90.5 MB in the beginning and 89.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 488.10 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 78.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1322.78 ms. Allocated memory is still 115.3 MB. Free memory was 78.9 MB in the beginning and 76.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.0 MB. Max. memory is 16.1 GB. * Witness Printer took 85.56 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 74.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:08:58,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a5064f-8aca-4f37-9c27-6c4952ae9add/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...