./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/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_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/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_92d718d7-99ba-4f13-bb91-0d8f50f85552/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 ac7d6bbeae1af74610eb5ea0ec9cc56676532539c7535ebfdf72e0c17174815d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:31:03,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:31:03,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:31:03,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:31:03,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:31:03,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:31:03,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:31:03,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:31:03,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:31:03,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:31:03,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:31:03,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:31:03,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:31:03,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:31:03,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:31:03,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:31:03,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:31:03,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:31:03,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:31:03,907 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:31:03,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:31:03,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:31:03,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:31:03,912 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:31:03,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:31:03,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:31:03,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:31:03,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:31:03,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:31:03,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:31:03,915 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:31:03,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:31:03,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:31:03,916 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_92d718d7-99ba-4f13-bb91-0d8f50f85552/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac7d6bbeae1af74610eb5ea0ec9cc56676532539c7535ebfdf72e0c17174815d [2023-12-03 04:31:04,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:31:04,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:31:04,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:31:04,166 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:31:04,167 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:31:04,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c [2023-12-03 04:31:06,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:31:07,018 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:31:07,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c [2023-12-03 04:31:07,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/data/4b0e1b46b/72a89b0f20a84747bed9bd631df2f1bc/FLAG5a9770aa3 [2023-12-03 04:31:07,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/data/4b0e1b46b/72a89b0f20a84747bed9bd631df2f1bc [2023-12-03 04:31:07,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:31:07,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:31:07,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:31:07,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:31:07,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:31:07,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771a1d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07, skipping insertion in model container [2023-12-03 04:31:07,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:31:07,213 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_92d718d7-99ba-4f13-bb91-0d8f50f85552/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c[535,548] [2023-12-03 04:31:07,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:31:07,244 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:31:07,256 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_92d718d7-99ba-4f13-bb91-0d8f50f85552/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c[535,548] [2023-12-03 04:31:07,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:31:07,281 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:31:07,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07 WrapperNode [2023-12-03 04:31:07,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:31:07,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:31:07,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:31:07,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:31:07,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,319 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-12-03 04:31:07,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:31:07,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:31:07,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:31:07,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:31:07,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:31:07,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:31:07,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:31:07,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:31:07,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:31:07,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:31:07,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:31:07,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92d718d7-99ba-4f13-bb91-0d8f50f85552/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:31:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:31:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:31:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:31:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:31:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:31:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:31:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:31:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:31:07,481 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:31:07,483 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:31:07,627 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:31:07,653 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:31:07,653 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 04:31:07,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:31:07 BoogieIcfgContainer [2023-12-03 04:31:07,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:31:07,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:31:07,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:31:07,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:31:07,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:31:07" (1/1) ... [2023-12-03 04:31:07,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:31:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-12-03 04:31:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-12-03 04:31:07,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:31:07,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:07,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:07,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:31:07,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:07,869 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 04:31:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-03 04:31:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-03 04:31:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:31:07,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:07,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:07,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:07,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:08,001 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 04:31:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:08,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-12-03 04:31:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-12-03 04:31:08,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:31:08,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:08,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:08,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 04:31:08,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:08,308 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 04:31:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2023-12-03 04:31:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-12-03 04:31:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:31:09,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:09,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:09,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 04:31:09,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:10,164 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 04:31:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2023-12-03 04:31:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-12-03 04:31:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:31:11,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:11,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:11,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:31:11,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:11,902 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 04:31:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2023-12-03 04:31:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2023-12-03 04:31:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:31:11,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:11,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:11,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:31:11,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:12,080 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 04:31:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2023-12-03 04:31:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-12-03 04:31:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:31:25,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:25,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:25,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:31:25,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:25,284 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 04:31:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:25,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2023-12-03 04:31:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2023-12-03 04:31:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:31:25,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:25,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:25,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:31:25,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:25,532 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 04:31:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2023-12-03 04:31:38,657 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2023-12-03 04:31:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:31:38,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:38,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:38,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:31:38,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:38,785 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 04:31:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2023-12-03 04:31:46,740 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-12-03 04:31:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 04:31:46,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:46,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:46,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:46,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:32:03,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:03,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2023-12-03 04:32:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2023-12-03 04:32:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 04:32:03,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:03,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:03,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 04:32:03,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:14,051 WARN L293 SmtUtils]: Spent 10.02s 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 04:32:17,478 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 04:32:40,072 WARN L293 SmtUtils]: Spent 21.09s 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 04:32:50,595 WARN L293 SmtUtils]: Spent 10.07s 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 04:33:11,256 WARN L293 SmtUtils]: Spent 20.55s 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 04:33:32,196 WARN L293 SmtUtils]: Spent 20.31s 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 04:33:44,460 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 04:33:55,034 WARN L293 SmtUtils]: Spent 10.03s 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 04:34:15,764 WARN L293 SmtUtils]: Spent 20.60s 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 04:34:36,926 WARN L293 SmtUtils]: Spent 20.72s 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 04:34:48,351 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 04:34:59,047 WARN L293 SmtUtils]: Spent 10.05s 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 04:35:21,595 WARN L293 SmtUtils]: Spent 21.38s 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 04:35:42,254 WARN L293 SmtUtils]: Spent 20.33s 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 04:35:55,350 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 04:36:05,942 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 04:36:26,682 WARN L293 SmtUtils]: Spent 20.29s 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 04:36:47,865 WARN L293 SmtUtils]: Spent 20.59s 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 04:36:58,403 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 04:37:09,011 WARN L293 SmtUtils]: Spent 10.10s 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 04:37:29,500 WARN L293 SmtUtils]: Spent 20.27s 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 04:37:50,648 WARN L293 SmtUtils]: Spent 20.45s 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 04:38:01,438 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 04:38:11,882 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 04:38:33,871 WARN L293 SmtUtils]: Spent 20.27s 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 04:38:54,614 WARN L293 SmtUtils]: Spent 20.19s 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 04:39:06,923 WARN L293 SmtUtils]: Spent 10.01s 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 04:39:17,490 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 04:39:24,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:39:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:25,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 80 states and 167 transitions. [2023-12-03 04:39:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 167 transitions. [2023-12-03 04:39:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 04:39:25,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:25,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:25,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:39:25,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:39:36,234 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 04:39:46,552 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 04:39:57,420 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 04:40:07,807 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 04:40:18,022 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 04:40:28,262 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 04:40:39,314 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 04:40:50,088 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 04:40:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 84 states and 179 transitions. [2023-12-03 04:40:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 179 transitions. [2023-12-03 04:40:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 04:40:59,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:59,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:59,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:40:59,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:41:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 90 states and 197 transitions. [2023-12-03 04:41:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 197 transitions. [2023-12-03 04:41:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 04:41:03,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:03,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:03,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:41:03,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:41:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:08,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 92 states and 204 transitions. [2023-12-03 04:41:08,557 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 204 transitions. [2023-12-03 04:41:08,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:41:08,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:08,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:08,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:41:08,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:08,871 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 04:41:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 96 states and 216 transitions. [2023-12-03 04:41:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2023-12-03 04:41:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:41:18,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:18,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:18,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:41:18,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:18,133 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 04:41:39,671 WARN L293 SmtUtils]: Spent 20.32s 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 04:41:51,519 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 04:42:14,952 WARN L293 SmtUtils]: Spent 20.44s 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 04:42:26,899 WARN L293 SmtUtils]: Spent 10.06s 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 04:42:49,086 WARN L293 SmtUtils]: Spent 20.14s 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 04:43:00,237 WARN L293 SmtUtils]: Spent 10.04s 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 04:43:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 100 states and 222 transitions. [2023-12-03 04:43:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 222 transitions. [2023-12-03 04:43:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:43:00,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:00,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:00,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:43:00,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:00,513 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 04:43:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:05,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 102 states and 223 transitions. [2023-12-03 04:43:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 223 transitions. [2023-12-03 04:43:05,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:43:05,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:05,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:05,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:43:05,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:05,080 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 04:43:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 106 states and 238 transitions. [2023-12-03 04:43:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 238 transitions. [2023-12-03 04:43:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:43:10,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:10,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:10,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 04:43:10,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:24,733 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 04:43:38,555 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 04:44:01,352 WARN L293 SmtUtils]: Spent 20.29s 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 04:44:22,718 WARN L293 SmtUtils]: Spent 20.26s 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 04:44:34,682 WARN L293 SmtUtils]: Spent 10.02s 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 04:44:46,300 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 04:44:49,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:45:09,867 WARN L293 SmtUtils]: Spent 20.48s 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 04:45:31,203 WARN L293 SmtUtils]: Spent 20.40s on a formula simplification. DAG size of input: 36 DAG size of output: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:45:44,058 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 04:45:55,472 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 04:45:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 108 states and 242 transitions. [2023-12-03 04:45:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 242 transitions. [2023-12-03 04:45:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:45:56,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:56,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:56,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:45:56,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 04:46:16,891 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:46:27,213 WARN L293 SmtUtils]: Spent 10.06s 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)