./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.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_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/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_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/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_10c06931-7321-4e6b-ae56-4a22d8bd12a8/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 4c04ff4ba89c203752c2536888693b0490a6d8d55183f07b2fd5c1dc6af9f21c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:22,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:22,587 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:00:22,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:00:22,596 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:00:22,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:22,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:00:22,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:00:22,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:22,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:22,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:22,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:00:22,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:00:22,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:00:22,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:00:22,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:22,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:00:22,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:22,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:00:22,635 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:22,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:00:22,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:00:22,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:22,637 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:22,637 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:22,638 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:22,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:22,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:22,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:22,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:22,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:00:22,644 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:00:22,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:00:22,645 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_10c06931-7321-4e6b-ae56-4a22d8bd12a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c04ff4ba89c203752c2536888693b0490a6d8d55183f07b2fd5c1dc6af9f21c [2024-11-08 23:00:22,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:23,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:23,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:23,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:23,010 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:23,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c Unable to find full path for "g++" [2024-11-08 23:00:25,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:25,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:25,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2024-11-08 23:00:25,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/data/1a1115656/dc256505435a46a6b24799868e867d73/FLAG87c58f2eb [2024-11-08 23:00:25,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/data/1a1115656/dc256505435a46a6b24799868e867d73 [2024-11-08 23:00:25,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:25,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:25,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:25,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:25,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:25,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:25,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e350e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25, skipping insertion in model container [2024-11-08 23:00:25,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:25,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:25,858 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_10c06931-7321-4e6b-ae56-4a22d8bd12a8/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c[524,537] [2024-11-08 23:00:25,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:25,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:25,918 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_10c06931-7321-4e6b-ae56-4a22d8bd12a8/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c[524,537] [2024-11-08 23:00:25,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:25,944 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:25,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25 WrapperNode [2024-11-08 23:00:25,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:25,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:25,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:25,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:25,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:25,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:25,974 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-08 23:00:25,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:25,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:25,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:25,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:25,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:25,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:25,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:25,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:25,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:26,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:26,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:26,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:26,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:26,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:26,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:26,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:26,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:25" (1/1) ... [2024-11-08 23:00:26,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:26,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:26,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c06931-7321-4e6b-ae56-4a22d8bd12a8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:00:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:00:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:00:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:00:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:00:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:00:26,140 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:26,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:00:26,280 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:00:26,280 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:00:26,320 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:00:26,321 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:00:26,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:26 BoogieIcfgContainer [2024-11-08 23:00:26,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:00:26,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:00:26,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:00:26,334 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:00:26,335 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:26" (1/1) ... [2024-11-08 23:00:26,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:00:26,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:26,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-08 23:00:26,398 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-08 23:00:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:00:26,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:26,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:26,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:00:26,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:00:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 32 transitions. [2024-11-08 23:00:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-08 23:00:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:00:27,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:27,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:00:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 30 transitions. [2024-11-08 23:00:28,468 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-08 23:00:28,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:00:28,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:28,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:28,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:00:28,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:00:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 38 transitions. [2024-11-08 23:00:31,376 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-08 23:00:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:00:31,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:31,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:31,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:00:31,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:00:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 50 transitions. [2024-11-08 23:00:38,293 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2024-11-08 23:00:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:00:38,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:38,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:00:38,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:00:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 55 transitions. [2024-11-08 23:00:43,971 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2024-11-08 23:00:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 23:00:43,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:43,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:44,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 23:00:44,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 23:01:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 60 transitions. [2024-11-08 23:01:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2024-11-08 23:01:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 23:01:00,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:00,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:01:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:00,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 23:01:00,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 9 proven. 55 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 23:01:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 65 transitions. [2024-11-08 23:01:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-11-08 23:01:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 23:01:08,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:08,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:01:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:09,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-08 23:01:09,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-08 23:01:37,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:01:37,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 70 transitions. [2024-11-08 23:01:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2024-11-08 23:01:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 23:01:37,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:37,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:01:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:01:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:37,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-08 23:01:37,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 26 proven. 103 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 23:01:54,288 WARN L286 SmtUtils]: Spent 12.35s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:02:01,948 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:02:15,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:02:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 75 transitions. [2024-11-08 23:02:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2024-11-08 23:02:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 23:02:15,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:15,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:15,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-08 23:02:15,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 49 proven. 114 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-08 23:02:38,747 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:02:51,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:02:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 80 transitions. [2024-11-08 23:02:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2024-11-08 23:02:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 23:02:51,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:51,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:52,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-08 23:02:52,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 27 proven. 173 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-08 23:03:21,026 WARN L286 SmtUtils]: Spent 16.53s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:03:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 85 transitions. [2024-11-08 23:03:45,985 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2024-11-08 23:03:45,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 23:03:45,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:45,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:46,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-08 23:03:46,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 42 proven. 183 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 23:04:02,290 WARN L286 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:04:24,908 WARN L286 SmtUtils]: Spent 19.44s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:05:15,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:05:35,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 19.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:05:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 90 transitions. [2024-11-08 23:05:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2024-11-08 23:05:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 23:05:36,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:36,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:05:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:36,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-08 23:05:36,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 58 proven. 225 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked.