./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/geo1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/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_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/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_b81f49de-6f8b-417d-8ec0-bbbaf0302480/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 a5c5eb3c9193e09fd40ae6ba9f607591e5cae980a2c4d7a02778f7974795107b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:23:21,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:23:21,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:23:21,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:23:21,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:23:21,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:23:21,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:23:21,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:23:21,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:23:21,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:23:21,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:23:21,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:23:21,446 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:23:21,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:23:21,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:23:21,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:23:21,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:23:21,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:23:21,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:23:21,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:23:21,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:23:21,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:23:21,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:23:21,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:23:21,472 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:23:21,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:23:21,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:23:21,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:21,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:23:21,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:23:21,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:23:21,479 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:23:21,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:23:21,479 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_b81f49de-6f8b-417d-8ec0-bbbaf0302480/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5c5eb3c9193e09fd40ae6ba9f607591e5cae980a2c4d7a02778f7974795107b [2024-11-08 22:23:21,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:23:21,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:23:21,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:23:21,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:23:21,804 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:23:21,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/geo1-ll.c Unable to find full path for "g++" [2024-11-08 22:23:24,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:23:24,327 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:23:24,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/sv-benchmarks/c/nla-digbench/geo1-ll.c [2024-11-08 22:23:24,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/data/8a4876d26/4d0a0d84734f4f0ba15d23431f2c9bc4/FLAGf67022800 [2024-11-08 22:23:24,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/data/8a4876d26/4d0a0d84734f4f0ba15d23431f2c9bc4 [2024-11-08 22:23:24,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:23:24,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:23:24,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:24,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:23:24,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:23:24,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0c3d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24, skipping insertion in model container [2024-11-08 22:23:24,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:23:24,596 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_b81f49de-6f8b-417d-8ec0-bbbaf0302480/sv-benchmarks/c/nla-digbench/geo1-ll.c[546,559] [2024-11-08 22:23:24,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:24,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:23:24,637 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_b81f49de-6f8b-417d-8ec0-bbbaf0302480/sv-benchmarks/c/nla-digbench/geo1-ll.c[546,559] [2024-11-08 22:23:24,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:23:24,668 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:23:24,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24 WrapperNode [2024-11-08 22:23:24,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:23:24,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:24,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:23:24,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:23:24,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,704 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-11-08 22:23:24,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:23:24,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:23:24,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:23:24,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:23:24,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:23:24,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:23:24,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:23:24,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:23:24,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:23:24" (1/1) ... [2024-11-08 22:23:24,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:23:24,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:23:24,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:23:24,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b81f49de-6f8b-417d-8ec0-bbbaf0302480/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:23:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:23:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:23:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:23:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:23:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:23:24,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:23:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:23:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:23:24,884 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:23:24,886 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:23:25,046 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 22:23:25,046 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:23:25,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:23:25,104 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:23:25,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:25 BoogieIcfgContainer [2024-11-08 22:23:25,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:23:25,107 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:23:25,108 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:23:25,120 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:23:25,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:23:25" (1/1) ... [2024-11-08 22:23:25,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:23:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:25,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 22:23:25,224 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 22:23:25,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:23:25,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:25,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:23:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:25,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:23:25,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:23:25,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-08 22:23:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-08 22:23:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:23:25,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:23:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-08 22:23:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-08 22:23:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:23:27,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:27,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:23:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:27,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:23:27,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:23:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 36 transitions. [2024-11-08 22:23:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-08 22:23:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:23:29,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:23:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:30,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:23:30,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:23:32,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:32,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 41 transitions. [2024-11-08 22:23:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-11-08 22:23:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:23:32,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:32,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:23:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:33,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:23:33,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:24:27,047 WARN L286 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:24:44,373 WARN L286 SmtUtils]: Spent 11.46s 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 22:24:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 60 transitions. [2024-11-08 22:24:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-11-08 22:24:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:24:45,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:45,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:24:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:45,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 22:24:45,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 22:25:02,247 WARN L286 SmtUtils]: Spent 15.63s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:25:21,433 WARN L286 SmtUtils]: Spent 18.62s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:25:33,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:25:33,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 66 transitions. [2024-11-08 22:25:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2024-11-08 22:25:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:25:33,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:33,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:25:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:33,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 22:25:33,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-08 22:26:02,194 WARN L286 SmtUtils]: Spent 27.81s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:26:33,923 WARN L286 SmtUtils]: Spent 31.18s 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 22:26:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 71 transitions. [2024-11-08 22:26:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-11-08 22:26:36,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 22:26:36,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:36,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:26:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:36,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 22:26:36,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 58 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-08 22:28:49,295 WARN L286 SmtUtils]: Spent 32.23s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:29:14,855 WARN L286 SmtUtils]: Spent 24.92s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:29:22,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:29:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:22,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 86 transitions. [2024-11-08 22:29:22,369 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2024-11-08 22:29:22,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 22:29:22,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:22,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:29:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:22,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 22:29:22,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 78 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-08 22:29:54,317 WARN L286 SmtUtils]: Spent 28.94s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:30:29,782 WARN L286 SmtUtils]: Spent 34.56s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:30:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 60 states and 91 transitions. [2024-11-08 22:30:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2024-11-08 22:30:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:30:34,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:34,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:30:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:34,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:30:34,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 16 proven. 101 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-08 22:31:35,941 WARN L286 SmtUtils]: Spent 56.51s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:32:25,248 WARN L286 SmtUtils]: Spent 46.30s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:32:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 97 transitions. [2024-11-08 22:32:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2024-11-08 22:32:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 22:32:33,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:32:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:33,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-08 22:32:33,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 41 proven. 128 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-08 22:34:25,462 WARN L286 SmtUtils]: Spent 53.26s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:36:09,646 WARN L286 SmtUtils]: Spent 1.69m on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:36:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 107 transitions. [2024-11-08 22:36:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-11-08 22:36:24,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 22:36:24,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:24,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:36:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:24,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 22:36:24,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 20 proven. 156 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-08 22:37:25,414 WARN L286 SmtUtils]: Spent 45.70s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)