./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9 --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 b4ff78c7a05ff12ed3c4b9587e1e659860187fd62fb9ac015e2b63b391c38f88 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:29:33,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:29:33,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:29:33,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:29:33,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:29:33,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:29:33,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:29:33,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:29:33,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:29:33,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:29:33,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:29:33,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:29:33,231 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:29:33,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:29:33,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:29:33,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:29:33,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:29:33,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:29:33,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:29:33,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:29:33,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:29:33,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:29:33,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:29:33,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:29:33,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:29:33,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:29:33,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:33,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:29:33,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:29:33,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:29:33,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:29:33,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:29:33,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:29:33,241 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_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ff78c7a05ff12ed3c4b9587e1e659860187fd62fb9ac015e2b63b391c38f88 [2023-12-02 23:29:33,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:29:33,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:29:33,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:29:33,469 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:29:33,470 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:29:33,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c [2023-12-02 23:29:36,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:29:36,470 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:29:36,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c [2023-12-02 23:29:36,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/data/f8a5a6895/5156d86299c04a4d8b7f5420adc01947/FLAG47b2371ea [2023-12-02 23:29:36,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/data/f8a5a6895/5156d86299c04a4d8b7f5420adc01947 [2023-12-02 23:29:36,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:29:36,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:29:36,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:29:36,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:29:36,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:29:36,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24df9351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36, skipping insertion in model container [2023-12-02 23:29:36,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,521 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:29:36,642 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_74f44b89-fca2-4514-acd1-b7c7bdab6f13/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c[1175,1188] [2023-12-02 23:29:36,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:29:36,664 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:29:36,674 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_74f44b89-fca2-4514-acd1-b7c7bdab6f13/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c[1175,1188] [2023-12-02 23:29:36,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:29:36,691 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:29:36,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36 WrapperNode [2023-12-02 23:29:36,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:29:36,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:29:36,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:29:36,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:29:36,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,719 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-12-02 23:29:36,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:29:36,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:29:36,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:29:36,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:29:36,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:29:36,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:29:36,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:29:36,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:29:36,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:36" (1/1) ... [2023-12-02 23:29:36,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:36,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:29:36,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:29:36,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f44b89-fca2-4514-acd1-b7c7bdab6f13/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:29:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:29:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:29:36,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:29:36,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:29:36,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:29:36,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:29:36,881 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:29:36,883 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:29:37,017 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:29:37,078 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:29:37,078 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:29:37,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:37 BoogieIcfgContainer [2023-12-02 23:29:37,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:29:37,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:29:37,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:29:37,092 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:29:37,092 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:37" (1/1) ... [2023-12-02 23:29:37,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:29:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:37,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-02 23:29:37,163 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-02 23:29:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:29:37,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:37,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:37,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:29:37,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-02 23:29:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-02 23:29:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:29:37,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:37,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:29:37,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-12-02 23:29:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-02 23:29:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:29:37,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:37,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:37,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:29:37,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-12-02 23:29:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-12-02 23:29:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:29:37,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:37,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:37,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:29:37,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:38,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2023-12-02 23:29:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2023-12-02 23:29:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:29:38,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:38,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:38,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:29:38,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2023-12-02 23:29:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2023-12-02 23:29:39,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:29:39,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:39,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:39,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:29:39,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:48,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:29:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 79 transitions. [2023-12-02 23:29:48,242 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 79 transitions. [2023-12-02 23:29:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:29:48,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:48,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:48,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:29:48,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:29:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2023-12-02 23:29:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2023-12-02 23:29:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:29:55,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:55,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:55,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:29:55,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:29:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 91 transitions. [2023-12-02 23:29:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 91 transitions. [2023-12-02 23:29:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:29:59,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:59,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:59,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:29:59,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:30:43,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:30:47,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:30:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 47 states and 105 transitions. [2023-12-02 23:30:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 105 transitions. [2023-12-02 23:30:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:30:47,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:47,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:47,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:30:47,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:04,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:31:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 49 states and 108 transitions. [2023-12-02 23:31:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 108 transitions. [2023-12-02 23:31:10,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:31:10,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:10,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:10,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:31:10,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:31:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 57 states and 142 transitions. [2023-12-02 23:31:15,315 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 142 transitions. [2023-12-02 23:31:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:31:15,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:15,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:15,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:31:15,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:31:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 58 states and 143 transitions. [2023-12-02 23:31:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 143 transitions. [2023-12-02 23:31:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:31:29,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:29,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:31:29,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:31:40,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:31:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2023-12-02 23:31:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2023-12-02 23:31:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:31:48,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:48,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:31:48,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:31:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:49,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 61 states and 146 transitions. [2023-12-02 23:31:49,353 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 146 transitions. [2023-12-02 23:31:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:31:49,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:49,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 23:31:49,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:33:07,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.15s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:33:09,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:33:13,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:33:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 65 states and 163 transitions. [2023-12-02 23:33:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 163 transitions. [2023-12-02 23:33:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:33:13,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:13,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:14,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 23:33:14,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:33:40,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 66 states and 164 transitions. [2023-12-02 23:33:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 164 transitions. [2023-12-02 23:33:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:33:40,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:40,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:33:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:33:40,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:33:40,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:33:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:33:59,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:33:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:33:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 74 states and 204 transitions. [2023-12-02 23:33:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 204 transitions. [2023-12-02 23:33:59,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:33:59,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:33:59,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:00,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 23:34:00,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:24,271 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:34:40,004 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:34:46,590 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:34:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:34:53,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:34:58,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:01,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 79 states and 212 transitions. [2023-12-02 23:35:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 212 transitions. [2023-12-02 23:35:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:35:20,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:20,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:21,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:35:21,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:35:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 79 states and 211 transitions. [2023-12-02 23:35:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 211 transitions. [2023-12-02 23:35:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:35:28,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:28,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:29,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 23:35:29,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:45,987 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 21 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:36:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:36:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 82 states and 216 transitions. [2023-12-02 23:36:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 216 transitions. [2023-12-02 23:36:20,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:36:20,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:20,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:21,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 23:36:21,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:37,875 WARN L293 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 20 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:37:03,182 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 12 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:37:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:37:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 84 states and 219 transitions. [2023-12-02 23:37:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 219 transitions. [2023-12-02 23:37:24,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:37:24,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:24,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:24,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:37:24,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 84 states and 218 transitions. [2023-12-02 23:37:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 218 transitions. [2023-12-02 23:37:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:37:27,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:27,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:28,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 23:37:28,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:49,043 WARN L293 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:38:47,760 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:39:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 23:40:55,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:41:06,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:17,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:19,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:20,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 88 states and 242 transitions. [2023-12-02 23:41:20,041 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 242 transitions. [2023-12-02 23:41:20,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:41:20,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:20,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:21,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 23:41:21,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:23,584 WARN L293 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 22 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 23:42:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 23:42:58,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:44:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 91 states and 247 transitions. [2023-12-02 23:44:02,499 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 247 transitions. [2023-12-02 23:44:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:44:02,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:02,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:03,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 23:44:03,717 INFO L285 TraceCheckSpWp]: Computing forward predicates...