./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL --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 aa915012f0ecb48890da92348b9b4d3565f79528800e403e93f67405fe73f7dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:39,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:39,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:43:39,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:39,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:39,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:39,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:39,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:39,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:39,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:39,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:39,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:39,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:39,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:39,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:39,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:39,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:39,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:39,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:39,411 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:39,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:39,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:39,413 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:39,413 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:39,414 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:39,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:39,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:39,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:39,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:39,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:39,416 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:39,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:39,432 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:39,433 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_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa915012f0ecb48890da92348b9b4d3565f79528800e403e93f67405fe73f7dd [2023-11-19 03:43:39,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:39,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:39,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:39,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:39,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:39,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c [2023-11-19 03:43:42,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:43,202 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:43,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c [2023-11-19 03:43:43,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/data/8e4ef7728/25f4500bd31947f3a22f4f48d33397d6/FLAGaec0d2195 [2023-11-19 03:43:43,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/data/8e4ef7728/25f4500bd31947f3a22f4f48d33397d6 [2023-11-19 03:43:43,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:43,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:43,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:43,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:43,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:43,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dfb4afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43, skipping insertion in model container [2023-11-19 03:43:43,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,260 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:43,405 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c[525,538] [2023-11-19 03:43:43,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:43,428 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:43,440 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c[525,538] [2023-11-19 03:43:43,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:43,460 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:43,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43 WrapperNode [2023-11-19 03:43:43,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:43,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:43,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:43,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:43,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,501 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-19 03:43:43,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:43,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:43,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:43,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:43,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:43,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:43,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:43,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:43,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:43,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:43,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:43,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faad9877-38cc-45ab-a321-3b9cacd59ea3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:43:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:43:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:43:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:43:43,707 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:43,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:43,887 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:43,923 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:43,924 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:43:43,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:43 BoogieIcfgContainer [2023-11-19 03:43:43,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:43,933 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:43,933 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:43,946 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:43,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:43" (1/1) ... [2023-11-19 03:43:43,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 03:43:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 03:43:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:43:44,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:44,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:44,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:43:44,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:43:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-19 03:43:44,496 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-19 03:43:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:43:44,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:44,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:44,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:43:44,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:43:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-19 03:43:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-19 03:43:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:43:45,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:45,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:45,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:43:45,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:43:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 46 transitions. [2023-11-19 03:43:45,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-19 03:43:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:43:45,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:45,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:45,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:43:45,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:46,137 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:43:55,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:43:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 53 transitions. [2023-11-19 03:43:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2023-11-19 03:43:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:43:55,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:55,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:43:55,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:40,638 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 03:44:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.