./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/divbin2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/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_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/divbin2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/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_a4dd90a4-2552-42fc-b107-4d77a2317c78/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 c7e3f11d23b462949b18ec2057853f57240b0651aa6fb66cf591585739df9d3e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:22,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:22,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:06:22,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:06:22,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:06:22,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:22,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:22,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:22,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:22,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:22,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:22,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:22,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:06:22,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:06:22,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:06:22,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:22,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:22,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:22,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:22,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:22,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:06:22,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:22,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:22,215 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:22,219 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:22,219 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:22,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:22,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:22,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:22,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:22,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:22,221 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:06:22,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:06:22,221 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_a4dd90a4-2552-42fc-b107-4d77a2317c78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e3f11d23b462949b18ec2057853f57240b0651aa6fb66cf591585739df9d3e [2024-11-08 23:06:22,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:22,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:22,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:22,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:22,513 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:22,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/divbin2.i Unable to find full path for "g++" [2024-11-08 23:06:24,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:24,651 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:24,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/sv-benchmarks/c/nla-digbench/divbin2.i [2024-11-08 23:06:24,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/data/fa06e9394/8a73f12b176d47228716f0e08fa1d09e/FLAG95744609b [2024-11-08 23:06:24,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/data/fa06e9394/8a73f12b176d47228716f0e08fa1d09e [2024-11-08 23:06:24,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:24,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:24,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:24,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:24,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:24,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56933b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24, skipping insertion in model container [2024-11-08 23:06:24,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,706 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:24,880 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_a4dd90a4-2552-42fc-b107-4d77a2317c78/sv-benchmarks/c/nla-digbench/divbin2.i[951,964] [2024-11-08 23:06:24,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:24,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:24,923 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_a4dd90a4-2552-42fc-b107-4d77a2317c78/sv-benchmarks/c/nla-digbench/divbin2.i[951,964] [2024-11-08 23:06:24,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:24,945 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:24,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24 WrapperNode [2024-11-08 23:06:24,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:24,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:24,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:24,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:24,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,978 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-11-08 23:06:24,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:24,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:24,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:24,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:24,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:24,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:25,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:25,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:25,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:25,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:25,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:24" (1/1) ... [2024-11-08 23:06:25,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:25,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:25,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:25,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4dd90a4-2552-42fc-b107-4d77a2317c78/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:06:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:25,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:06:25,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:06:25,150 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:25,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:25,344 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:25,344 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:25,392 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:25,393 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:06:25,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:25 BoogieIcfgContainer [2024-11-08 23:06:25,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:25,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:25,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:25,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:25,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:25" (1/1) ... [2024-11-08 23:06:25,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:25,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:06:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:06:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:06:25,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 23:06:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 23:06:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:06:25,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:25,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:06:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:25,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:06:25,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:26,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-08 23:06:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-08 23:06:26,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:06:26,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:26,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:26,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 23:06:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 23:06:26,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:06:26,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:27,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-08 23:06:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-08 23:06:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:06:27,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:27,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:06:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:28,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:06:28,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:29,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:29,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2024-11-08 23:06:29,396 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2024-11-08 23:06:29,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:06:29,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:29,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:06:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:29,466 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:06:29,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-08 23:06:31,661 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-08 23:06:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:06:31,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:31,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:06:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:31,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:06:31,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2024-11-08 23:06:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2024-11-08 23:06:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:06:34,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:34,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:06:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2024-11-08 23:06:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2024-11-08 23:06:37,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:06:37,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:37,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:06:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:37,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:06:37,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2024-11-08 23:06:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2024-11-08 23:06:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:06:43,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:43,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:06:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:43,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:06:43,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:06:52,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:52,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2024-11-08 23:06:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2024-11-08 23:06:52,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:06:52,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:52,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:06:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:53,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:06:53,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:10,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2024-11-08 23:07:10,723 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2024-11-08 23:07:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:07:10,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:10,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:10,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:07:10,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:07:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2024-11-08 23:07:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2024-11-08 23:07:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:07:25,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:25,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:25,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:07:25,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 82 states and 142 transitions. [2024-11-08 23:07:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 142 transitions. [2024-11-08 23:07:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:07:40,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:40,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:40,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 23:07:40,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:08:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:08,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 94 states and 162 transitions. [2024-11-08 23:08:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 162 transitions. [2024-11-08 23:08:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:08:08,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:08,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:08,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 23:08:08,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:40,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 101 states and 175 transitions. [2024-11-08 23:08:40,520 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 175 transitions. [2024-11-08 23:08:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:08:40,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:40,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:44,302 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:08:46,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:46,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 103 states and 178 transitions. [2024-11-08 23:08:46,916 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2024-11-08 23:08:46,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:08:46,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:46,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:47,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:08:47,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:09:27,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:09:35,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:35,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 106 states and 184 transitions. [2024-11-08 23:09:35,916 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 184 transitions. [2024-11-08 23:09:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:09:35,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:35,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:09:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:36,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 23:09:36,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:06,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 197 transitions. [2024-11-08 23:10:06,124 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 197 transitions. [2024-11-08 23:10:06,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 23:10:06,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:06,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:10:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:10:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:06,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:10:06,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:27,899 WARN L286 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:11:38,453 WARN L286 SmtUtils]: Spent 10.48s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:11:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:12:12,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:13:57,304 WARN L286 SmtUtils]: Spent 1.72m on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:14:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 124 states and 217 transitions. [2024-11-08 23:14:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2024-11-08 23:14:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:14:06,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:14:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:06,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 23:14:06,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:15:14,350 WARN L286 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 126 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:15:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 127 states and 223 transitions. [2024-11-08 23:15:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 223 transitions. [2024-11-08 23:15:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:15:36,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:15:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:36,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 23:15:36,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:18,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:16:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:39,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 134 states and 236 transitions. [2024-11-08 23:16:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 236 transitions. [2024-11-08 23:16:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 23:16:39,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:39,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:16:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:40,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 23:16:40,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:18:35,250 WARN L286 SmtUtils]: Spent 1.41m on a formula simplification that was a NOOP. DAG size: 146 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:21:02,052 WARN L286 SmtUtils]: Spent 2.11m on a formula simplification that was a NOOP. DAG size: 147 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:21:16,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:21:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 139 states and 245 transitions. [2024-11-08 23:21:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 245 transitions. [2024-11-08 23:21:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 23:21:16,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:16,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:21:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:16,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 23:21:16,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.