./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/fermat2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/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_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43c7c57321afe9055366ca260a89f0e4de96718cc528ce2ea2543b13c4af6ed7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:04:28,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:04:28,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:04:28,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:04:28,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:04:28,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:04:28,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:04:28,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:04:28,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:04:28,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:04:28,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:04:28,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:04:28,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:04:28,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:04:28,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:04:28,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:04:28,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:04:28,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:04:28,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:04:28,663 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:04:28,663 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:04:28,664 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:04:28,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:04:28,665 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:04:28,665 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:04:28,666 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:04:28,666 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:04:28,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:04:28,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:04:28,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:04:28,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:04:28,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:04:28,668 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:04:28,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:04:28,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:04:28,669 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_f61eb5b9-8015-47b7-befe-f1daec854532/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c7c57321afe9055366ca260a89f0e4de96718cc528ce2ea2543b13c4af6ed7 [2023-12-03 00:04:28,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:04:28,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:04:28,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:04:28,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:04:28,944 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:04:28,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/fermat2-ll.c [2023-12-03 00:04:31,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:04:31,849 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:04:31,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/sv-benchmarks/c/nla-digbench/fermat2-ll.c [2023-12-03 00:04:31,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/data/1d2c611a7/957eb48add4648ce922a4385c5189997/FLAGfedb79746 [2023-12-03 00:04:32,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/data/1d2c611a7/957eb48add4648ce922a4385c5189997 [2023-12-03 00:04:32,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:04:32,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:04:32,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:04:32,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:04:32,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:04:32,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c21f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32, skipping insertion in model container [2023-12-03 00:04:32,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:04:32,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:04:32,453 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:04:32,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:04:32,488 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:04:32,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32 WrapperNode [2023-12-03 00:04:32,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:04:32,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:04:32,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:04:32,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:04:32,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,526 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2023-12-03 00:04:32,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:04:32,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:04:32,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:04:32,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:04:32,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:04:32,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:04:32,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:04:32,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:04:32,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:04:32" (1/1) ... [2023-12-03 00:04:32,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:04:32,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:04:32,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:04:32,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f61eb5b9-8015-47b7-befe-f1daec854532/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:04:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:04:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:04:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:04:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:04:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:04:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:04:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:04:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:04:32,678 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:04:32,681 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:04:33,166 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:04:33,199 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:04:33,200 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:04:33,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:04:33 BoogieIcfgContainer [2023-12-03 00:04:33,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:04:33,202 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:04:33,203 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:04:33,211 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:04:33,211 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:04:33" (1/1) ... [2023-12-03 00:04:33,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:04:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-12-03 00:04:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-12-03 00:04:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 00:04:33,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:33,405 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 00:04:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 125 states and 129 transitions. [2023-12-03 00:04:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions. [2023-12-03 00:04:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:04:33,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:33,465 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 00:04:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 124 states and 128 transitions. [2023-12-03 00:04:33,510 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2023-12-03 00:04:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:04:33,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:33,540 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 00:04:33,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 123 states and 127 transitions. [2023-12-03 00:04:33,562 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2023-12-03 00:04:33,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:04:33,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:33,591 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 00:04:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 122 states and 126 transitions. [2023-12-03 00:04:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2023-12-03 00:04:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:04:33,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:04:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 121 states and 125 transitions. [2023-12-03 00:04:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2023-12-03 00:04:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:04:33,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:33,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:04:33,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:33,707 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 00:04:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 120 states and 124 transitions. [2023-12-03 00:04:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2023-12-03 00:04:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:04:33,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:33,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:04:33,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:04:33,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 119 states and 123 transitions. [2023-12-03 00:04:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2023-12-03 00:04:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 00:04:33,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:33,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:04:33,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:04:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 118 states and 122 transitions. [2023-12-03 00:04:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2023-12-03 00:04:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:04:33,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:33,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:34,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:04:34,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:04:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 117 states and 121 transitions. [2023-12-03 00:04:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2023-12-03 00:04:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:04:34,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:34,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:34,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:04:34,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:04:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 116 states and 120 transitions. [2023-12-03 00:04:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2023-12-03 00:04:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:04:34,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:34,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:34,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:04:34,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:04:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 115 states and 119 transitions. [2023-12-03 00:04:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2023-12-03 00:04:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:04:34,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:34,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:34,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:04:34,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:04:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 114 states and 118 transitions. [2023-12-03 00:04:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2023-12-03 00:04:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:04:34,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:34,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:34,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:04:34,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:04:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 113 states and 117 transitions. [2023-12-03 00:04:35,207 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2023-12-03 00:04:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:04:35,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:35,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:35,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:04:35,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:04:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 112 states and 116 transitions. [2023-12-03 00:04:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2023-12-03 00:04:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:04:35,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:35,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:35,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:04:35,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:04:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 112 states and 115 transitions. [2023-12-03 00:04:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 115 transitions. [2023-12-03 00:04:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:04:35,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:35,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:35,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:04:35,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:04:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 114 states and 119 transitions. [2023-12-03 00:04:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2023-12-03 00:04:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:04:35,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:35,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:35,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:04:35,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:50,136 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:06:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:07:19,679 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:10:38,141 WARN L293 SmtUtils]: Spent 9.35s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:11:00,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 00:11:02,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 00:11:12,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 00:11:22,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 00:11:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 117 states and 124 transitions. [2023-12-03 00:11:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2023-12-03 00:11:22,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:11:22,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:11:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:22,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:11:22,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:11:32,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 00:11:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 119 states and 126 transitions. [2023-12-03 00:11:32,913 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2023-12-03 00:11:32,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:11:32,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:32,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:11:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:32,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:11:32,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 124 states and 134 transitions. [2023-12-03 00:12:23,425 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 134 transitions. [2023-12-03 00:12:23,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:12:23,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:23,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:12:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:23,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:12:23,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:12:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:23,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 123 states and 133 transitions. [2023-12-03 00:12:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 133 transitions. [2023-12-03 00:12:23,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:12:23,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:12:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:23,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:12:23,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 130 states and 144 transitions. [2023-12-03 00:13:06,822 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2023-12-03 00:13:06,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:13:06,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:06,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:06,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:13:06,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:06,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:13:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 129 states and 143 transitions. [2023-12-03 00:13:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 143 transitions. [2023-12-03 00:13:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:13:06,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:06,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:06,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:06,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:14:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 138 states and 157 transitions. [2023-12-03 00:14:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2023-12-03 00:14:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:14:33,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:33,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:14:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:33,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:14:33,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:14:54,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 137 states and 156 transitions. [2023-12-03 00:14:54,407 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 156 transitions. [2023-12-03 00:14:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:14:54,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:14:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:54,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:14:54,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 141 states and 161 transitions. [2023-12-03 00:15:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 161 transitions. [2023-12-03 00:15:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:15:08,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:08,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:15:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:08,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:08,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:16:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 142 states and 163 transitions. [2023-12-03 00:16:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 163 transitions. [2023-12-03 00:16:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:16:12,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:12,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:12,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:12,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:17:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 144 states and 166 transitions. [2023-12-03 00:17:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2023-12-03 00:17:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:17:10,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:10,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:10,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:17:10,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:17:19,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:18:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 172 transitions. [2023-12-03 00:18:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2023-12-03 00:18:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:18:04,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:04,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:04,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:18:04,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:18:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 177 transitions. [2023-12-03 00:18:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 177 transitions. [2023-12-03 00:18:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:18:52,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:52,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:52,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:18:52,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.