./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi --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 eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:44,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:44,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:09:44,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:44,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:44,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:44,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:44,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:44,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:44,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:44,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:44,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:44,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:44,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:44,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:44,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:44,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:44,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:44,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:44,981 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:44,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:44,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:44,983 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:44,984 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:44,984 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:44,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:44,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:44,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:44,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:44,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:44,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:44,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:44,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:44,989 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_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 [2023-11-24 23:09:45,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:45,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:45,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:45,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:45,353 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:45,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c [2023-11-24 23:09:48,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:48,741 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:48,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c [2023-11-24 23:09:48,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/data/af264e6ad/21e29346f6204f38a1317c5565506d60/FLAG813928afb [2023-11-24 23:09:48,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/data/af264e6ad/21e29346f6204f38a1317c5565506d60 [2023-11-24 23:09:48,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:48,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:48,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:48,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:48,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:48,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:48" (1/1) ... [2023-11-24 23:09:48,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1646de6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:48, skipping insertion in model container [2023-11-24 23:09:48,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:48" (1/1) ... [2023-11-24 23:09:48,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:48,966 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_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c[525,538] [2023-11-24 23:09:48,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:48,994 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:49,007 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_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c[525,538] [2023-11-24 23:09:49,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:49,029 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:49,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49 WrapperNode [2023-11-24 23:09:49,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:49,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:49,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:49,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:49,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,066 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-24 23:09:49,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:49,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:49,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:49,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:49,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:49,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:49,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:49,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:49,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:49,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:49,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:49,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f99c3e4-5d81-47f6-b9d3-d617568b1fd8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:09:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:09:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:09:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:09:49,255 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:49,258 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:49,492 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:49,525 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:49,525 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:09:49,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:49 BoogieIcfgContainer [2023-11-24 23:09:49,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:49,528 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:49,529 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:49,540 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:49,540 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:49" (1/1) ... [2023-11-24 23:09:49,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-24 23:09:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-24 23:09:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:49,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:49,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:49,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:09:49,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-24 23:09:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-24 23:09:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:50,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:50,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:09:50,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2023-11-24 23:09:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-24 23:09:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:50,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:50,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:50,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:09:50,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:09:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 50 transitions. [2023-11-24 23:09:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-11-24 23:09:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:09:52,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:52,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:52,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:09:52,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:09:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 56 transitions. [2023-11-24 23:09:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2023-11-24 23:09:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:09:54,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:54,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:54,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:09:54,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:09:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 61 transitions. [2023-11-24 23:09:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2023-11-24 23:09:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:09:56,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:56,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:09:56,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:57,197 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-24 23:09:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 66 transitions. [2023-11-24 23:09:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-11-24 23:09:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:09:59,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:59,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:00,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 23:10:00,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-24 23:10:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 71 transitions. [2023-11-24 23:10:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2023-11-24 23:10:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:10:05,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:05,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-24 23:10:05,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 31 proven. 64 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 23:10:33,327 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-24 23:10:37,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-24 23:10:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:37,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 80 transitions. [2023-11-24 23:10:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-11-24 23:10:37,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:10:37,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:37,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 23:10:37,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 26 proven. 60 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-24 23:10:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 81 transitions. [2023-11-24 23:10:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2023-11-24 23:10:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 23:10:44,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:44,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:44,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 23:10:44,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 31 proven. 80 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked.