./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/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_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/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_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/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 ca2134f8a32f49a0943527ee47fd89b4eb01286294fd09a8197c7c707de74c1d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:39:57,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:39:57,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:39:57,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:39:57,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:39:57,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:39:57,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:39:57,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:39:57,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:39:57,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:39:57,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:39:57,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:39:57,122 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:39:57,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:39:57,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:39:57,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:39:57,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:39:57,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:39:57,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:39:57,125 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:39:57,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:39:57,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:39:57,127 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:39:57,127 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:39:57,128 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:39:57,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:39:57,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:39:57,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:39:57,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:39:57,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:39:57,130 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:39:57,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:39:57,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:39:57,131 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_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca2134f8a32f49a0943527ee47fd89b4eb01286294fd09a8197c7c707de74c1d [2023-12-03 00:39:57,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:39:57,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:39:57,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:39:57,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:39:57,348 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:39:57,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c [2023-12-03 00:40:00,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:40:00,277 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:40:00,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c [2023-12-03 00:40:00,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/data/3c2bd7283/fac49a8429ca4b34be5d6a7de803eaa4/FLAGc6fe1d97e [2023-12-03 00:40:00,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/data/3c2bd7283/fac49a8429ca4b34be5d6a7de803eaa4 [2023-12-03 00:40:00,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:40:00,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:40:00,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:00,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:40:00,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:40:00,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bda2c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00, skipping insertion in model container [2023-12-03 00:40:00,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,324 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:40:00,445 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_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c[535,548] [2023-12-03 00:40:00,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:00,475 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:40:00,488 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_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound50.c[535,548] [2023-12-03 00:40:00,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:40:00,513 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:40:00,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00 WrapperNode [2023-12-03 00:40:00,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:40:00,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:00,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:40:00,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:40:00,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,550 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-12-03 00:40:00,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:40:00,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:40:00,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:40:00,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:40:00,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:40:00,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:40:00,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:40:00,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:40:00,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:40:00,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:40:00,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:40:00,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0f7eb3-8b55-4b66-bcd2-163ee55d3faa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:40:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:40:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:40:00,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:40:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:40:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:40:00,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:40:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:40:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:40:00,715 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:40:00,718 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:40:00,853 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:40:00,876 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:40:00,877 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 00:40:00,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:00 BoogieIcfgContainer [2023-12-03 00:40:00,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:40:00,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:40:00,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:40:00,886 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:40:00,887 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:40:00" (1/1) ... [2023-12-03 00:40:00,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:40:00,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-12-03 00:40:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-12-03 00:40:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:40:00,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:00,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:01,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:40:01,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:01,101 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 00:40:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-03 00:40:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-03 00:40:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:40:01,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:01,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:01,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:01,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:01,221 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 00:40:01,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-12-03 00:40:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-12-03 00:40:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:40:01,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:01,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:01,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:40:01,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:01,538 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 00:40:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2023-12-03 00:40:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-12-03 00:40:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:40:02,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:02,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:02,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:40:02,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:40:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2023-12-03 00:40:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-12-03 00:40:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:40:05,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:05,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:05,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:40:05,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:40:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2023-12-03 00:40:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2023-12-03 00:40:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:40:05,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:05,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:05,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:40:05,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:40:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2023-12-03 00:40:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-12-03 00:40:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:40:16,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:16,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:16,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:40:16,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:16,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:40:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2023-12-03 00:40:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2023-12-03 00:40:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:40:16,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:16,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:16,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:40:16,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:40:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2023-12-03 00:40:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2023-12-03 00:40:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:40:35,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:35,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:35,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:40:35,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:35,683 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:40:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 105 transitions. [2023-12-03 00:40:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 105 transitions. [2023-12-03 00:40:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:40:43,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:43,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:40:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:43,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:43,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:41:01,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:01,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2023-12-03 00:41:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2023-12-03 00:41:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:41:01,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:01,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:41:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:01,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 00:41:01,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:12,351 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:41:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 00:41:48,137 WARN L293 SmtUtils]: Spent 20.33s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:41:58,785 WARN L293 SmtUtils]: Spent 10.09s 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 00:42:19,217 WARN L293 SmtUtils]: Spent 20.37s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:42:40,251 WARN L293 SmtUtils]: Spent 20.53s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:42:52,724 WARN L293 SmtUtils]: Spent 10.01s 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 00:43:03,183 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:43:23,419 WARN L293 SmtUtils]: Spent 20.09s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:43:44,029 WARN L293 SmtUtils]: Spent 20.19s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:43:55,757 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:44:06,385 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:44:27,453 WARN L293 SmtUtils]: Spent 20.36s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:44:48,233 WARN L293 SmtUtils]: Spent 20.47s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:45:00,331 WARN L293 SmtUtils]: Spent 10.01s 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 00:45:11,096 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:45:31,688 WARN L293 SmtUtils]: Spent 20.28s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:45:52,954 WARN L293 SmtUtils]: Spent 20.29s on a formula simplification. DAG size of input: 35 DAG size of output: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:46:04,606 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:46:15,235 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:46:35,503 WARN L293 SmtUtils]: Spent 20.14s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:46:58,201 WARN L293 SmtUtils]: Spent 20.35s on a formula simplification. DAG size of input: 35 DAG size of output: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:47:10,081 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:47:20,671 WARN L293 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:47:41,623 WARN L293 SmtUtils]: Spent 20.32s on a formula simplification. DAG size of input: 31 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:48:02,192 WARN L293 SmtUtils]: Spent 20.17s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:48:13,463 WARN L293 SmtUtils]: Spent 10.04s 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 00:48:23,978 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:48:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 76 states and 151 transitions. [2023-12-03 00:48:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2023-12-03 00:48:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:48:33,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:33,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:33,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:48:33,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:48:43,716 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:48:54,263 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:49:05,378 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:49:16,396 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:49:26,488 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:49:37,000 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:49:48,122 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:49:58,964 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:50:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 80 states and 163 transitions. [2023-12-03 00:50:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 163 transitions. [2023-12-03 00:50:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:50:09,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:09,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:09,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:50:09,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:09,596 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:50:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 86 states and 181 transitions. [2023-12-03 00:50:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 181 transitions. [2023-12-03 00:50:11,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:50:11,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:11,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:12,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:50:12,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:50:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 88 states and 188 transitions. [2023-12-03 00:50:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 188 transitions. [2023-12-03 00:50:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:50:18,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:18,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:18,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:50:18,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:50:40,870 WARN L293 SmtUtils]: Spent 20.28s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:50:51,886 WARN L293 SmtUtils]: Spent 10.02s 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 00:51:17,576 WARN L293 SmtUtils]: Spent 20.36s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:51:28,912 WARN L293 SmtUtils]: Spent 10.12s 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 00:51:50,564 WARN L293 SmtUtils]: Spent 20.09s on a formula simplification. DAG size of input: 30 DAG size of output: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:52:01,487 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:52:01,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:01,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 193 transitions. [2023-12-03 00:52:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 193 transitions. [2023-12-03 00:52:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:52:01,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:01,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:52:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:01,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 00:52:01,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:13,935 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:52:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-03 00:52:42,805 WARN L293 SmtUtils]: Spent 20.33s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:53:03,370 WARN L293 SmtUtils]: Spent 20.12s on a formula simplification. DAG size of input: 34 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:53:14,278 WARN L293 SmtUtils]: Spent 10.03s 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 00:53:26,088 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:53:28,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:53:48,714 WARN L293 SmtUtils]: Spent 20.12s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:54:09,399 WARN L293 SmtUtils]: Spent 20.30s on a formula simplification. DAG size of input: 34 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:54:21,919 WARN L293 SmtUtils]: Spent 10.05s 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 00:54:32,907 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:54:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 94 states and 197 transitions. [2023-12-03 00:54:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 197 transitions. [2023-12-03 00:54:35,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:54:35,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:35,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:54:35,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:54:44,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:44,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 98 states and 211 transitions. [2023-12-03 00:54:44,205 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 211 transitions. [2023-12-03 00:54:44,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:54:44,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:44,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:44,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:54:44,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:54:56,551 WARN L293 SmtUtils]: Spent 10.02s 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 00:55:07,173 WARN L293 SmtUtils]: Spent 10.04s 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 00:55:19,098 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)