./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps5-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk --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 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:31:57,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:31:57,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:31:57,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:31:57,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:31:57,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:31:57,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:31:57,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:31:57,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:31:57,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:31:57,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:31:57,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:31:57,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:31:57,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:31:57,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:31:57,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:31:57,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:31:57,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:31:57,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:31:57,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:31:57,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:31:57,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:31:57,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:31:57,771 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:31:57,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:31:57,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:31:57,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:31:57,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:31:57,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:31:57,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:31:57,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:31:57,775 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:31:57,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:31:57,776 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_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed [2024-11-08 22:31:58,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:31:58,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:31:58,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:31:58,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:31:58,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:31:58,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/ps5-ll.c Unable to find full path for "g++" [2024-11-08 22:32:00,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:32:01,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:32:01,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-11-08 22:32:01,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/data/3705f74b1/ecc005e37f4649d59bab15451c1b8e3f/FLAG8b9c6414a [2024-11-08 22:32:01,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/data/3705f74b1/ecc005e37f4649d59bab15451c1b8e3f [2024-11-08 22:32:01,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:32:01,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:32:01,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:01,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:32:01,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:32:01,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f582435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01, skipping insertion in model container [2024-11-08 22:32:01,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:32:01,769 WARN L250 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_e79ed70c-0d28-48f4-8104-e42f7f312897/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-11-08 22:32:01,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:01,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:32:01,841 WARN L250 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_e79ed70c-0d28-48f4-8104-e42f7f312897/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-11-08 22:32:01,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:01,872 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:32:01,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01 WrapperNode [2024-11-08 22:32:01,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:01,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:01,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:32:01,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:32:01,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,923 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-08 22:32:01,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:01,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:32:01,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:32:01,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:32:01,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:32:01,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:32:01,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:32:01,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:32:01,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:01" (1/1) ... [2024-11-08 22:32:01,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:01,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:32:02,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:32:02,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:32:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:32:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:32:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:32:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:32:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:32:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:32:02,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:32:02,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:32:02,393 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:32:02,393 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:32:02,465 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:32:02,465 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:32:02,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:02 BoogieIcfgContainer [2024-11-08 22:32:02,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:32:02,467 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:32:02,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:32:02,485 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:32:02,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:02" (1/1) ... [2024-11-08 22:32:02,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:32:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-08 22:32:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-08 22:32:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:32:02,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:02,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:02,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:32:02,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:02,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-08 22:32:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-08 22:32:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:32:03,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:03,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:04,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:04,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-08 22:32:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-08 22:32:04,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:32:04,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:04,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:04,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:32:04,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:32:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:32:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:32:04,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:04,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:04,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:32:04,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:32:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 22:32:05,118 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 22:32:05,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:32:05,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:05,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:05,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:32:05,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:32:09,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:32:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-08 22:32:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-08 22:32:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:32:09,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:09,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:32:09,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:32:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:10,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-08 22:32:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-08 22:32:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:32:10,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:10,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:10,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 22:32:10,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:10,950 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:32:15,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:32:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2024-11-08 22:32:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-08 22:32:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:32:15,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:16,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:32:16,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:32:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:17,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2024-11-08 22:32:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2024-11-08 22:32:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:32:17,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:17,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:17,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:32:17,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:32:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:18,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2024-11-08 22:32:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2024-11-08 22:32:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:32:18,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:18,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:18,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:32:18,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:32:20,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2024-11-08 22:32:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2024-11-08 22:32:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:32:20,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:20,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:20,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 22:32:20,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 49 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 22:32:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:21,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2024-11-08 22:32:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2024-11-08 22:32:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:32:21,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:21,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:21,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:32:21,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 22:32:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2024-11-08 22:32:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2024-11-08 22:32:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:32:24,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:24,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:34,161 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:32:34,165 INFO L158 Benchmark]: Toolchain (without parser) took 32704.79ms. Allocated memory was 134.2MB in the beginning and 218.1MB in the end (delta: 83.9MB). Free memory was 69.7MB in the beginning and 100.2MB in the end (delta: -30.6MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-08 22:32:34,167 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 134.2MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:32:34,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.81ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 69.5MB in the beginning and 143.7MB in the end (delta: -74.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-08 22:32:34,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.29ms. Allocated memory is still 180.4MB. Free memory was 143.7MB in the beginning and 141.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:32:34,170 INFO L158 Benchmark]: Boogie Preprocessor took 39.08ms. Allocated memory is still 180.4MB. Free memory was 141.6MB in the beginning and 140.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:32:34,171 INFO L158 Benchmark]: RCFGBuilder took 501.98ms. Allocated memory is still 180.4MB. Free memory was 140.4MB in the beginning and 142.6MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:32:34,172 INFO L158 Benchmark]: CodeCheck took 31696.76ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 142.6MB in the beginning and 100.2MB in the end (delta: 42.4MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2024-11-08 22:32:34,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 134.2MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.81ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 69.5MB in the beginning and 143.7MB in the end (delta: -74.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.29ms. Allocated memory is still 180.4MB. Free memory was 143.7MB in the beginning and 141.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.08ms. Allocated memory is still 180.4MB. Free memory was 141.6MB in the beginning and 140.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.98ms. Allocated memory is still 180.4MB. Free memory was 140.4MB in the beginning and 142.6MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 31696.76ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 142.6MB in the beginning and 100.2MB in the end (delta: 42.4MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:32:34,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk --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 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:32:37,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:32:37,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:32:37,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:32:37,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:32:37,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:32:37,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:32:37,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:32:37,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:32:37,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:32:37,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:32:37,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:32:37,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:32:37,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:32:37,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:32:37,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:32:37,351 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:32:37,352 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:32:37,352 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:32:37,352 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:32:37,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:32:37,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:32:37,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:32:37,354 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:32:37,355 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:32:37,355 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:32:37,355 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:37,356 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:32:37,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:32:37,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:37,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:32:37,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:32:37,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:32:37,358 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:32:37,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:37,359 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:32:37,359 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_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed [2024-11-08 22:32:37,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:32:37,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:32:37,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:32:37,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:32:37,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:32:37,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/ps5-ll.c Unable to find full path for "g++" [2024-11-08 22:32:40,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:32:40,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:32:40,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/sv-benchmarks/c/nla-digbench/ps5-ll.c [2024-11-08 22:32:40,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/data/b482863c7/a5a934e52c44477a9e07ba7f4881604c/FLAG92d7015e8 [2024-11-08 22:32:40,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/data/b482863c7/a5a934e52c44477a9e07ba7f4881604c [2024-11-08 22:32:40,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:32:40,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:32:40,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:40,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:32:40,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:32:40,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:40" (1/1) ... [2024-11-08 22:32:40,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e41282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:40, skipping insertion in model container [2024-11-08 22:32:40,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:40" (1/1) ... [2024-11-08 22:32:40,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:32:41,045 WARN L250 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_e79ed70c-0d28-48f4-8104-e42f7f312897/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-11-08 22:32:41,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:41,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:32:41,113 WARN L250 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_e79ed70c-0d28-48f4-8104-e42f7f312897/sv-benchmarks/c/nla-digbench/ps5-ll.c[458,471] [2024-11-08 22:32:41,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:41,170 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:32:41,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41 WrapperNode [2024-11-08 22:32:41,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:41,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:41,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:32:41,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:32:41,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,215 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-08 22:32:41,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:41,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:32:41,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:32:41,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:32:41,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:32:41,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:32:41,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:32:41,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:32:41,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:41" (1/1) ... [2024-11-08 22:32:41,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:32:41,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:32:41,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:32:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:32:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:32:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:32:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:32:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:32:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:32:41,522 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:32:41,525 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:32:41,940 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:32:41,940 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:32:42,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:32:42,046 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:32:42,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:42 BoogieIcfgContainer [2024-11-08 22:32:42,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:32:42,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:32:42,048 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:32:42,058 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:32:42,059 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:32:42" (1/1) ... [2024-11-08 22:32:42,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:32:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-08 22:32:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-08 22:32:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:32:42,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:42,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:42,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:42,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:32:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:42,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:32:42,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:32:43,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:32:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:45,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-08 22:32:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-08 22:32:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:32:45,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:45,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:45,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:45,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:45,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:32:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:46,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:32:46,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:01,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:33:09,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:29,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 22:33:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 22:33:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:33:30,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:30,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:30,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:30,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:30,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:33:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:31,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:32,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:33:32,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:33,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:16,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:18,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:34:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-08 22:34:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-08 22:34:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:34:19,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:19,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:19,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:19,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:34:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:20,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:20,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:34:20,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:34:22,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:35:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-11-08 22:35:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-08 22:35:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:35:16,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:16,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:35:16,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:35:16,235 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:35:16,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:35:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:35:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:18,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:35:18,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:35:20,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:36:14,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-11-08 22:36:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-08 22:36:14,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:36:14,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:14,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:14,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:14,125 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:14,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:36:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:15,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:36:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:15,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:36:15,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:36:20,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:37:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2024-11-08 22:37:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2024-11-08 22:37:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:37:47,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:47,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:37:47,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:37:47,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:37:47,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:37:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:49,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:37:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:50,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:37:50,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:53,061 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:37:53,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 22:38:11,147 WARN L286 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:38:38,507 WARN L286 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:39:02,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:39:05,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-08 22:39:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-08 22:39:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:39:05,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:05,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:39:05,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:39:05,183 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:39:05,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:39:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:07,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:39:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:07,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:39:07,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:39:11,777 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:39:11,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:40:48,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:40:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-11-08 22:40:49,515 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-11-08 22:40:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:40:49,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:49,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:49,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:49,521 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:49,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:40:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:52,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:40:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:53,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:40:53,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:40:57,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:41:53,721 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:42:28,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:42:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-11-08 22:42:31,450 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-11-08 22:42:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:42:31,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:31,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:31,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:31,458 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:31,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:42:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:34,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:35,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:42:35,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 31 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 22:42:42,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:43,691 WARN L286 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:44:44,161 WARN L286 SmtUtils]: Spent 7.34s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:45:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-08 22:45:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-08 22:45:06,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:45:06,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:06,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:45:06,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:45:06,248 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:45:06,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:45:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:09,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:45:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:10,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:45:10,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 16 proven. 52 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 22:45:14,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 22:45:39,581 WARN L286 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:10,721 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-08 22:46:46,086 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-08 22:46:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:46:46,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:46,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:46,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:46,094 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:46,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:46:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:48,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:49,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:46:49,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 22:47:00,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e79ed70c-0d28-48f4-8104-e42f7f312897/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0