./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/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_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96b71e4fe20331af08d1b5394215c6ca1c246124118142d0900823a256b0e31d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:08:00,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:08:00,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:08:00,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:08:00,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:08:00,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:08:00,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:08:00,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:08:00,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:08:00,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:08:00,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:08:00,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:08:00,414 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:08:00,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:08:00,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:08:00,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:08:00,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:08:00,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:08:00,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:08:00,418 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:08:00,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:08:00,421 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:08:00,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:08:00,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:08:00,422 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:08:00,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:08:00,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:08:00,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:08:00,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:08:00,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:08:00,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:08:00,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:08:00,426 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:08:00,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:08:00,427 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:08:00,427 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_065a2445-1452-49ab-aeda-352d95db796a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96b71e4fe20331af08d1b5394215c6ca1c246124118142d0900823a256b0e31d [2023-12-02 21:08:00,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:08:00,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:08:00,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:08:00,652 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:08:00,653 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:08:00,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c [2023-12-02 21:08:03,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:08:03,876 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:08:03,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c [2023-12-02 21:08:03,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/data/6a7adbf1b/5a51c9a52654432a96692cbd6cc60aca/FLAG21b89b25f [2023-12-02 21:08:03,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/data/6a7adbf1b/5a51c9a52654432a96692cbd6cc60aca [2023-12-02 21:08:03,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:08:03,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:08:03,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:08:03,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:08:03,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:08:03,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:08:03" (1/1) ... [2023-12-02 21:08:03,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c111b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:03, skipping insertion in model container [2023-12-02 21:08:03,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:08:03" (1/1) ... [2023-12-02 21:08:03,923 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:08:04,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:08:04,073 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:08:04,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:08:04,108 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:08:04,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04 WrapperNode [2023-12-02 21:08:04,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:08:04,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:08:04,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:08:04,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:08:04,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,148 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-12-02 21:08:04,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:08:04,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:08:04,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:08:04,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:08:04,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:08:04,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:08:04,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:08:04,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:08:04,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:08:04,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:08:04,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:08:04,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065a2445-1452-49ab-aeda-352d95db796a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:08:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:08:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:08:04,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:08:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:08:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:08:04,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:08:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:08:04,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:08:04,310 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:08:04,313 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:08:04,917 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:08:04,957 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:08:04,958 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:08:04,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:04 BoogieIcfgContainer [2023-12-02 21:08:04,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:08:04,961 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:08:04,961 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:08:04,974 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:08:04,974 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:04" (1/1) ... [2023-12-02 21:08:04,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:08:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2023-12-02 21:08:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2023-12-02 21:08:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 21:08:05,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2023-12-02 21:08:05,243 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2023-12-02 21:08:05,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:08:05,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 129 states and 134 transitions. [2023-12-02 21:08:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2023-12-02 21:08:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:08:05,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 128 states and 133 transitions. [2023-12-02 21:08:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2023-12-02 21:08:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:08:05,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2023-12-02 21:08:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2023-12-02 21:08:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:08:05,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:05,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 126 states and 131 transitions. [2023-12-02 21:08:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2023-12-02 21:08:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:08:05,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:08:05,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:05,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 125 states and 130 transitions. [2023-12-02 21:08:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2023-12-02 21:08:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:08:05,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:08:05,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 124 states and 129 transitions. [2023-12-02 21:08:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2023-12-02 21:08:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:08:05,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:08:05,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 123 states and 128 transitions. [2023-12-02 21:08:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2023-12-02 21:08:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:08:05,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:08:05,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 122 states and 127 transitions. [2023-12-02 21:08:05,962 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2023-12-02 21:08:05,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:08:05,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:05,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:08:05,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 121 states and 126 transitions. [2023-12-02 21:08:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2023-12-02 21:08:06,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:08:06,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:06,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:06,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:08:06,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:06,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:06,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 120 states and 125 transitions. [2023-12-02 21:08:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 125 transitions. [2023-12-02 21:08:06,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:08:06,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:06,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:06,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:08:06,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:08:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 124 transitions. [2023-12-02 21:08:06,744 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2023-12-02 21:08:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:08:06,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:06,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:06,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:08:06,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 123 transitions. [2023-12-02 21:08:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2023-12-02 21:08:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:08:07,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:07,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:07,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:08:07,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:07,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:08:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 117 states and 122 transitions. [2023-12-02 21:08:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2023-12-02 21:08:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:08:07,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:07,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:07,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:08:07,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 121 transitions. [2023-12-02 21:08:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2023-12-02 21:08:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:08:07,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:07,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:07,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:08:07,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 119 states and 125 transitions. [2023-12-02 21:08:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2023-12-02 21:08:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:08:08,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:08,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:08:08,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 122 states and 130 transitions. [2023-12-02 21:08:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2023-12-02 21:08:09,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:08:09,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:09,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:09,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:08:09,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 127 states and 141 transitions. [2023-12-02 21:08:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 141 transitions. [2023-12-02 21:08:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:08:10,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:10,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:10,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:08:10,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 132 states and 152 transitions. [2023-12-02 21:08:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2023-12-02 21:08:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:08:12,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:12,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:08:12,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:08:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 138 states and 165 transitions. [2023-12-02 21:08:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2023-12-02 21:08:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:08:13,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:13,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:13,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:08:13,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:15:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:15:27,724 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:15:30,262 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) is different from false [2023-12-02 21:17:05,809 WARN L293 SmtUtils]: Spent 37.65s on a formula simplification. DAG size of input: 23 DAG size of output: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:17:25,068 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:17:27,977 WARN L876 $PredicateComparison]: unable to prove that (not (and (<= c_~counter~0 0) (<= |c_ULTIMATE.start_main_~A~0#1| 2147483647) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) (<= 0 (+ |c_ULTIMATE.start_main_~A~0#1| 2147483648)) (<= 0 c_~counter~0))) is different from true [2023-12-02 21:19:38,143 WARN L293 SmtUtils]: Spent 30.72s on a formula simplification. DAG size of input: 23 DAG size of output: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:19:51,119 WARN L876 $PredicateComparison]: unable to prove that (not (and (<= 0 |c_ULTIMATE.start_main_#t~post6#1|) (<= |c_ULTIMATE.start_main_#t~post6#1| 0) (<= |c_ULTIMATE.start_main_~A~0#1| 2147483647) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) (<= 0 (+ |c_ULTIMATE.start_main_~A~0#1| 2147483648)))) is different from true [2023-12-02 21:22:18,704 WARN L293 SmtUtils]: Spent 23.73s on a formula simplification. DAG size of input: 22 DAG size of output: 20 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:22:31,365 WARN L876 $PredicateComparison]: unable to prove that (not (and (<= |c_ULTIMATE.start_main_#t~post6#1| 0) (<= |c_ULTIMATE.start_main_~A~0#1| 2147483647) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) (<= 0 (+ |c_ULTIMATE.start_main_~A~0#1| 2147483648)))) is different from true