./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/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_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/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_f2422d3e-d062-4f17-9974-08bb37505d91/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 376367d14f0ef5deff3321a7267050cf9f2383eb99d0a19dad6a556c0772ff28 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:55:06,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:55:06,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:55:06,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:55:06,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:55:06,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:55:06,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:55:06,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:55:06,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:55:06,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:55:06,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:55:06,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:55:06,821 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:55:06,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:55:06,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:55:06,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:55:06,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:55:06,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:55:06,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:55:06,824 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:55:06,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:55:06,826 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:55:06,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:55:06,827 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:55:06,827 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:55:06,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:55:06,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:55:06,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:55:06,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:55:06,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:55:06,830 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:55:06,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:55:06,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:55:06,831 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_f2422d3e-d062-4f17-9974-08bb37505d91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376367d14f0ef5deff3321a7267050cf9f2383eb99d0a19dad6a556c0772ff28 [2023-12-03 02:55:07,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:55:07,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:55:07,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:55:07,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:55:07,105 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:55:07,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c [2023-12-03 02:55:09,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:55:10,155 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:55:10,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c [2023-12-03 02:55:10,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/data/f59d70abe/6ec52be27d3c4d95aff42800df97ea87/FLAG78d90af44 [2023-12-03 02:55:10,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/data/f59d70abe/6ec52be27d3c4d95aff42800df97ea87 [2023-12-03 02:55:10,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:55:10,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:55:10,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:55:10,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:55:10,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:55:10,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b45925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10, skipping insertion in model container [2023-12-03 02:55:10,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:55:10,343 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_f2422d3e-d062-4f17-9974-08bb37505d91/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c[525,538] [2023-12-03 02:55:10,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:55:10,386 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:55:10,397 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_f2422d3e-d062-4f17-9974-08bb37505d91/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c[525,538] [2023-12-03 02:55:10,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:55:10,431 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:55:10,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10 WrapperNode [2023-12-03 02:55:10,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:55:10,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:55:10,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:55:10,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:55:10,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,470 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-12-03 02:55:10,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:55:10,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:55:10,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:55:10,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:55:10,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:55:10,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:55:10,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:55:10,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:55:10,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:55:10,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:55:10,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:55:10,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2422d3e-d062-4f17-9974-08bb37505d91/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:55:10,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:55:10,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:55:10,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:55:10,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:55:10,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:55:10,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:55:10,637 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:55:10,640 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:55:10,871 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:55:10,922 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:55:10,922 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:55:10,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:55:10 BoogieIcfgContainer [2023-12-03 02:55:10,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:55:10,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:55:10,925 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:55:10,948 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:55:10,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:55:10" (1/1) ... [2023-12-03 02:55:10,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:55:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-12-03 02:55:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-12-03 02:55:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:55:11,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:11,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:11,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:55:11,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:11,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-12-03 02:55:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-12-03 02:55:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:55:11,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:11,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:11,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:11,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 02:55:11,367 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 02:55:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:55:11,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:11,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:55:11,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-12-03 02:55:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-12-03 02:55:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:55:11,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:11,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:18,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:55:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:18,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2023-12-03 02:55:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2023-12-03 02:55:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:55:18,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:18,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:18,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:55:18,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2023-12-03 02:55:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2023-12-03 02:55:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:55:18,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:18,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:18,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:55:18,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:19,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2023-12-03 02:55:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2023-12-03 02:55:19,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:55:19,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:19,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:55:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 98 transitions. [2023-12-03 02:55:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2023-12-03 02:55:21,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:55:21,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:21,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:55:22,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 51 states and 105 transitions. [2023-12-03 02:55:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 105 transitions. [2023-12-03 02:55:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:55:22,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:22,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:55:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:23,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 106 transitions. [2023-12-03 02:55:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2023-12-03 02:55:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:55:23,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:23,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:23,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:55:23,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:36,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:55:41,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:55:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 123 transitions. [2023-12-03 02:55:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 123 transitions. [2023-12-03 02:55:41,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:55:41,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:41,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:41,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:55:41,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2023-12-03 02:55:42,033 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2023-12-03 02:55:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:55:42,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:42,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 68 states and 146 transitions. [2023-12-03 02:55:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2023-12-03 02:55:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:55:45,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:45,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:45,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:55:45,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 157 transitions. [2023-12-03 02:55:46,635 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 157 transitions. [2023-12-03 02:55:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:55:46,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 164 transitions. [2023-12-03 02:55:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2023-12-03 02:55:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:55:48,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:48,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:48,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:55:48,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:56,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:55:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 81 states and 183 transitions. [2023-12-03 02:55:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 183 transitions. [2023-12-03 02:55:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:55:56,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:56,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:56,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:55:56,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:55:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 192 transitions. [2023-12-03 02:55:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 192 transitions. [2023-12-03 02:55:58,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:55:58,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:58,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:55:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:58,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:55:58,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:17,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:56:27,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:56:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 92 states and 212 transitions. [2023-12-03 02:56:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 212 transitions. [2023-12-03 02:56:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:56:27,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:27,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:56:27,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:56:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 94 states and 227 transitions. [2023-12-03 02:56:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 227 transitions. [2023-12-03 02:56:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:56:27,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:27,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:56:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 102 states and 244 transitions. [2023-12-03 02:56:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 244 transitions. [2023-12-03 02:56:33,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:56:33,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:33,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:33,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:56:33,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:56:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 105 states and 258 transitions. [2023-12-03 02:56:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 258 transitions. [2023-12-03 02:56:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:56:35,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:35,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:56:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 108 states and 265 transitions. [2023-12-03 02:56:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 265 transitions. [2023-12-03 02:56:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:56:38,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:39,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 02:56:39,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:56:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 115 states and 288 transitions. [2023-12-03 02:56:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 288 transitions. [2023-12-03 02:56:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:56:47,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:47,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:47,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 02:56:47,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:56:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 120 states and 298 transitions. [2023-12-03 02:56:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 298 transitions. [2023-12-03 02:56:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:56:52,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:52,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 02:56:52,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:57:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 122 states and 299 transitions. [2023-12-03 02:57:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 299 transitions. [2023-12-03 02:57:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:57:02,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:02,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:02,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 02:57:02,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:57:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 125 states and 306 transitions. [2023-12-03 02:57:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 306 transitions. [2023-12-03 02:57:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:57:06,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:06,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:06,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:57:06,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:57:49,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:57:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 133 states and 330 transitions. [2023-12-03 02:57:49,222 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 330 transitions. [2023-12-03 02:57:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:57:49,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:49,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:49,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:57:49,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:58:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 138 states and 339 transitions. [2023-12-03 02:58:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 339 transitions. [2023-12-03 02:58:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:58:31,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:31,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:58:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 140 states and 363 transitions. [2023-12-03 02:58:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 363 transitions. [2023-12-03 02:58:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:58:34,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:34,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:34,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:58:34,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:01:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 142 states and 369 transitions. [2023-12-03 03:01:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 369 transitions. [2023-12-03 03:01:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:01:13,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:13,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:14,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 147 states and 380 transitions. [2023-12-03 03:01:19,516 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 380 transitions. [2023-12-03 03:01:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:01:19,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:19,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:19,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:01:19,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 150 states and 397 transitions. [2023-12-03 03:01:22,045 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 397 transitions. [2023-12-03 03:01:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:01:22,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:22,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 153 states and 404 transitions. [2023-12-03 03:01:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 404 transitions. [2023-12-03 03:01:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:01:27,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:27,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:01:27,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:42,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:01:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 160 states and 429 transitions. [2023-12-03 03:01:42,080 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 429 transitions. [2023-12-03 03:01:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:01:42,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:42,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:42,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:01:42,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:49,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 162 states and 432 transitions. [2023-12-03 03:01:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 432 transitions. [2023-12-03 03:01:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:01:49,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:49,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:50,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:01:50,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 164 states and 433 transitions. [2023-12-03 03:01:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 433 transitions. [2023-12-03 03:01:56,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:01:56,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:56,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:56,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:01:56,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:02:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 169 states and 444 transitions. [2023-12-03 03:02:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 444 transitions. [2023-12-03 03:02:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:02:04,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:04,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:02:04,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:02:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 172 states and 451 transitions. [2023-12-03 03:02:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 451 transitions. [2023-12-03 03:02:12,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:02:12,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:12,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:12,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:02:12,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:02:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 175 states and 458 transitions. [2023-12-03 03:02:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 458 transitions. [2023-12-03 03:02:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:02:24,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:24,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:24,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:02:24,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:19,838 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:04:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 182 states and 479 transitions. [2023-12-03 03:04:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 479 transitions. [2023-12-03 03:04:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:04:25,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:25,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:25,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:04:25,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:04:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 184 states and 483 transitions. [2023-12-03 03:04:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 483 transitions. [2023-12-03 03:04:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:04:27,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:27,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:27,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:04:27,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:27,464 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:04:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 189 states and 492 transitions. [2023-12-03 03:04:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 492 transitions. [2023-12-03 03:04:30,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:04:30,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:30,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:30,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:04:30,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:04:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:04:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 192 states and 499 transitions. [2023-12-03 03:04:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 499 transitions. [2023-12-03 03:04:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:04:33,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:04:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:04:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 194 states and 533 transitions. [2023-12-03 03:04:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 533 transitions. [2023-12-03 03:04:35,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:04:35,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:04:35,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:04:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:04:35,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 03:04:35,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:06:33,328 WARN L293 SmtUtils]: Spent 13.51s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:07:10,597 WARN L293 SmtUtils]: Spent 10.69s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:07:14,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:07:24,433 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 [] [2023-12-03 03:07:24,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 196 states and 539 transitions. [2023-12-03 03:07:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 539 transitions. [2023-12-03 03:07:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:07:24,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:24,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:07:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:08:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 207 states and 576 transitions. [2023-12-03 03:08:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 576 transitions. [2023-12-03 03:08:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:08:37,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:37,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:08:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:37,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:08:37,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:08:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:08:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:41,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 210 states and 596 transitions. [2023-12-03 03:08:41,898 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 596 transitions. [2023-12-03 03:08:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:08:41,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:41,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:08:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:08:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 213 states and 604 transitions. [2023-12-03 03:08:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 604 transitions. [2023-12-03 03:08:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:08:52,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:52,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:08:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:53,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 03:08:53,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:09:03,936 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)