./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/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_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk --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 96b71e4fe20331af08d1b5394215c6ca1c246124118142d0900823a256b0e31d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:24:51,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:24:51,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:24:51,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:24:51,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:24:51,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:24:51,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:24:51,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:24:51,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:24:51,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:24:51,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:24:51,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:24:51,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:24:51,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:24:51,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:24:51,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:24:51,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:24:51,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:24:51,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:24:51,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:24:51,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:24:51,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:24:51,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:24:51,532 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:24:51,533 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:24:51,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:24:51,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:24:51,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:51,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:24:51,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:24:51,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:24:51,535 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:24:51,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:24:51,536 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_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96b71e4fe20331af08d1b5394215c6ca1c246124118142d0900823a256b0e31d [2024-11-08 22:24:51,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:24:51,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:24:51,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:24:51,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:24:51,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:24:51,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-08 22:24:53,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:24:54,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:24:54,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c [2024-11-08 22:24:54,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/data/39b34acd4/b206781937164031b1bfd31fb04797d3/FLAG5d2f42134 [2024-11-08 22:24:54,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/data/39b34acd4/b206781937164031b1bfd31fb04797d3 [2024-11-08 22:24:54,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:24:54,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:24:54,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:54,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:24:54,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:24:54,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:54,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e1d963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54, skipping insertion in model container [2024-11-08 22:24:54,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:54,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:24:54,881 WARN L250 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_215353d6-6464-48d4-b3ea-4c0bd0783006/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c[524,537] [2024-11-08 22:24:54,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:54,915 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:24:54,930 WARN L250 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_215353d6-6464-48d4-b3ea-4c0bd0783006/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c[524,537] [2024-11-08 22:24:54,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:54,957 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:24:54,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54 WrapperNode [2024-11-08 22:24:54,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:54,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:54,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:24:54,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:24:54,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:54,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:54,994 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-08 22:24:54,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:54,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:24:54,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:24:54,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:24:55,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:24:55,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:24:55,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:24:55,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:24:55,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:54" (1/1) ... [2024-11-08 22:24:55,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:55,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:24:55,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:24:55,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_215353d6-6464-48d4-b3ea-4c0bd0783006/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:24:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:24:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:24:55,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:24:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:24:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:24:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:24:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:24:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:24:55,193 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:24:55,196 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:24:55,405 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:24:55,408 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:24:55,470 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:24:55,471 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:24:55,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:55 BoogieIcfgContainer [2024-11-08 22:24:55,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:24:55,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:24:55,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:24:55,484 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:24:55,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:55" (1/1) ... [2024-11-08 22:24:55,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:24:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 22:24:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 22:24:55,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:24:55,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:24:55,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 22:24:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 22:24:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:24:55,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:55,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:24:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 25 transitions. [2024-11-08 22:24:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-08 22:24:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:24:56,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:56,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:24:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:56,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:24:56,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:24:57,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2024-11-08 22:24:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-08 22:24:57,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:24:57,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:57,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:25:00,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:25:05,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:25:05,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 35 transitions. [2024-11-08 22:25:05,764 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-08 22:25:05,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:25:05,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:05,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:25:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 45 transitions. [2024-11-08 22:25:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2024-11-08 22:25:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:25:32,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:25:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:32,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:25:32,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:26:09,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:26:56,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:27:14,084 WARN L286 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 50 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:27:24,320 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 51 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:27:28,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:27:30,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:27:57,249 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification. DAG size of input: 50 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:28:30,866 WARN L286 SmtUtils]: Spent 8.79s on a formula simplification. DAG size of input: 48 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:28:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 64 transitions. [2024-11-08 22:28:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-08 22:28:43,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:28:43,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:43,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:28:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:43,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:28:43,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:30:16,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:30:43,346 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:31:11,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:31:15,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:32:51,218 WARN L286 SmtUtils]: Spent 7.90s on a formula simplification. DAG size of input: 51 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:33:12,439 WARN L286 SmtUtils]: Spent 17.92s on a formula simplification. DAG size of input: 52 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:33:34,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:33:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 75 transitions. [2024-11-08 22:33:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-11-08 22:33:35,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:33:35,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:35,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:33:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:35,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:33:35,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:34:21,349 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse11 (+ |c_ULTIMATE.start_main_~u~0#1| 1))) (let ((.cse5 (= |c_ULTIMATE.start_main_~v~0#1| 1)) (.cse0 (= 3 |c_ULTIMATE.start_main_~v~0#1|)) (.cse2 (= (mod .cse11 2) 0))) (and (<= c_~counter~0 1) (not (= c_~counter~0 0)) (not (or (let ((.cse1 (let ((.cse3 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (* .cse3 .cse3)))) (and .cse0 (<= (+ |c_ULTIMATE.start_main_~A~0#1| 1) .cse1) .cse2 (= .cse1 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1)))) (let ((.cse4 (let ((.cse6 (div (+ |c_ULTIMATE.start_main_~u~0#1| (- 3)) 2))) (* .cse6 .cse6)))) (and (<= .cse4 |c_ULTIMATE.start_main_~A~0#1|) .cse2 (= (+ 2 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) (+ .cse4 |c_ULTIMATE.start_main_~u~0#1|)) .cse5)))) (or (let ((.cse7 (div (+ (* (- 1) |c_ULTIMATE.start_main_~u~0#1|) 1) 2))) (let ((.cse8 (* .cse7 .cse7))) (and (<= (+ (* .cse7 4) 5 .cse8) |c_ULTIMATE.start_main_~A~0#1|) (= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse8) .cse2 (<= (+ 2 .cse8) (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1|)) .cse5))) (let ((.cse10 (div .cse11 2))) (let ((.cse9 (* .cse10 .cse10))) (and .cse0 (<= (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse9) (= .cse9 (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1)) .cse2 (<= (+ 5 .cse9) (+ |c_ULTIMATE.start_main_~A~0#1| (* .cse10 4)))))))))) is different from false [2024-11-08 22:34:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 75 transitions. [2024-11-08 22:34:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-11-08 22:34:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:34:51,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:34:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:51,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:34:51,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:35:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:36:02,164 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse11 (+ |c_ULTIMATE.start_main_~u~0#1| 1))) (let ((.cse5 (= |c_ULTIMATE.start_main_~v~0#1| 1)) (.cse0 (= 3 |c_ULTIMATE.start_main_~v~0#1|)) (.cse2 (= (mod .cse11 2) 0))) (and (<= c_~counter~0 1) (not (= c_~counter~0 0)) (not (or (let ((.cse1 (let ((.cse3 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (* .cse3 .cse3)))) (and .cse0 (<= (+ |c_ULTIMATE.start_main_~A~0#1| 1) .cse1) .cse2 (= .cse1 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1)))) (let ((.cse4 (let ((.cse6 (div (+ |c_ULTIMATE.start_main_~u~0#1| (- 3)) 2))) (* .cse6 .cse6)))) (and (<= .cse4 |c_ULTIMATE.start_main_~A~0#1|) .cse2 (= (+ 2 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) (+ .cse4 |c_ULTIMATE.start_main_~u~0#1|)) .cse5)))) (or (let ((.cse7 (div (+ (* (- 1) |c_ULTIMATE.start_main_~u~0#1|) 1) 2))) (let ((.cse8 (* .cse7 .cse7))) (and (<= (+ (* .cse7 4) 5 .cse8) |c_ULTIMATE.start_main_~A~0#1|) (= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse8) .cse2 (<= (+ 2 .cse8) (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1|)) .cse5))) (let ((.cse10 (div .cse11 2))) (let ((.cse9 (* .cse10 .cse10))) (and .cse0 (<= (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse9) (= .cse9 (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1)) .cse2 (<= (+ 5 .cse9) (+ |c_ULTIMATE.start_main_~A~0#1| (* .cse10 4))))))))))) is different from true [2024-11-08 22:36:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 78 transitions. [2024-11-08 22:36:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2024-11-08 22:36:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:36:15,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:36:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:15,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:36:15,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:37:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 81 transitions. [2024-11-08 22:37:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2024-11-08 22:37:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:37:00,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:00,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:37:00,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:37:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 81 transitions. [2024-11-08 22:37:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2024-11-08 22:37:34,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:37:34,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:34,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:37:34,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:50,944 WARN L286 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 12 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:37:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:38:23,675 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 (+ |c_ULTIMATE.start_main_~u~0#1| 1))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|)) (.cse4 (= |c_ULTIMATE.start_main_~v~0#1| 1)) (.cse5 (= 3 |c_ULTIMATE.start_main_~v~0#1|)) (.cse3 (= (mod .cse8 2) 0)) (.cse9 (let ((.cse10 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (* .cse10 .cse10)))) (and (or (let ((.cse0 (div (+ (* (- 1) |c_ULTIMATE.start_main_~u~0#1|) 1) 2))) (let ((.cse1 (* .cse0 .cse0))) (and (<= (+ (* .cse0 4) 5 .cse1) |c_ULTIMATE.start_main_~A~0#1|) (= .cse2 .cse1) .cse3 (<= (+ 2 .cse1) (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1|)) .cse4))) (let ((.cse7 (div .cse8 2))) (let ((.cse6 (* .cse7 .cse7))) (and .cse5 (<= (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse6) (= .cse6 (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1)) .cse3 (<= (+ 5 .cse6) (+ |c_ULTIMATE.start_main_~A~0#1| (* .cse7 4))))))) (not (and (= .cse2 .cse9) .cse3 .cse4)) (not (and .cse5 (<= (+ |c_ULTIMATE.start_main_~A~0#1| 1) .cse9) .cse3 (= .cse9 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1))))))) is different from false [2024-11-08 22:38:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 44 states and 84 transitions. [2024-11-08 22:38:38,871 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 84 transitions. [2024-11-08 22:38:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:38:38,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:38,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:38:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:38,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:38:38,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:39:18,911 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse8 (+ |c_ULTIMATE.start_main_~u~0#1| 1))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|)) (.cse4 (= |c_ULTIMATE.start_main_~v~0#1| 1)) (.cse5 (= 3 |c_ULTIMATE.start_main_~v~0#1|)) (.cse3 (= (mod .cse8 2) 0)) (.cse9 (let ((.cse10 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (* .cse10 .cse10)))) (and (or (let ((.cse0 (div (+ (* (- 1) |c_ULTIMATE.start_main_~u~0#1|) 1) 2))) (let ((.cse1 (* .cse0 .cse0))) (and (<= (+ (* .cse0 4) 5 .cse1) |c_ULTIMATE.start_main_~A~0#1|) (= .cse2 .cse1) .cse3 (<= (+ 2 .cse1) (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1|)) .cse4))) (let ((.cse7 (div .cse8 2))) (let ((.cse6 (* .cse7 .cse7))) (and .cse5 (<= (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse6) (= .cse6 (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1)) .cse3 (<= (+ 5 .cse6) (+ |c_ULTIMATE.start_main_~A~0#1| (* .cse7 4))))))) (not (and (= .cse2 .cse9) .cse3 .cse4)) (not (and .cse5 (<= (+ |c_ULTIMATE.start_main_~A~0#1| 1) .cse9) .cse3 (= .cse9 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1)))))))) is different from true [2024-11-08 22:39:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 45 states and 89 transitions. [2024-11-08 22:39:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2024-11-08 22:39:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:39:18,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:18,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:39:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:18,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:39:18,970 INFO L278 TraceCheckSpWp]: Computing forward predicates...