./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3 --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 04018145d5ace4c3357fe1e5023a2cdd8af65b0f762a2636eda0df151f06b137 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:32:13,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:32:13,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:32:13,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:32:13,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:32:13,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:32:13,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:32:13,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:32:13,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:32:13,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:32:13,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:32:13,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:32:13,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:32:13,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:32:13,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:32:13,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:32:13,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:32:13,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:32:13,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:32:13,827 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:32:13,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:32:13,828 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:32:13,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:32:13,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:32:13,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:32:13,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:32:13,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:32:13,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:32:13,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:32:13,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:32:13,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:32:13,830 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:32:13,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:32:13,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3 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 -> 04018145d5ace4c3357fe1e5023a2cdd8af65b0f762a2636eda0df151f06b137 [2024-11-25 03:32:14,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:32:14,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:32:14,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:32:14,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:32:14,147 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:32:14,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c [2024-11-25 03:32:17,215 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/data/bdd8f9e0e/1bbbce827218408687320637969a39cc/FLAG17247f2f0 [2024-11-25 03:32:17,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:32:17,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c [2024-11-25 03:32:17,497 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/data/bdd8f9e0e/1bbbce827218408687320637969a39cc/FLAG17247f2f0 [2024-11-25 03:32:17,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/data/bdd8f9e0e/1bbbce827218408687320637969a39cc [2024-11-25 03:32:17,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:32:17,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:32:17,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:32:17,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:32:17,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:32:17,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6933e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17, skipping insertion in model container [2024-11-25 03:32:17,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:32:17,744 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_518d711a-de6d-41dc-ba76-2b6ddff277d5/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c[524,537] [2024-11-25 03:32:17,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:32:17,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:32:17,789 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_518d711a-de6d-41dc-ba76-2b6ddff277d5/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound100.c[524,537] [2024-11-25 03:32:17,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:32:17,815 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:32:17,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17 WrapperNode [2024-11-25 03:32:17,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:32:17,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:32:17,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:32:17,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:32:17,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,847 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-11-25 03:32:17,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:32:17,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:32:17,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:32:17,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:32:17,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,857 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:32:17,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:32:17,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:32:17,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:32:17,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:17" (1/1) ... [2024-11-25 03:32:17,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:32:17,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:32:17,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:32:17,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518d711a-de6d-41dc-ba76-2b6ddff277d5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:32:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:32:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:32:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:32:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:32:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:32:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:32:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:32:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:32:17,977 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:32:17,979 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:32:18,101 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:32:18,101 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:32:18,142 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:32:18,142 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:32:18,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:32:18 BoogieIcfgContainer [2024-11-25 03:32:18,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:32:18,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:32:18,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:32:18,155 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:32:18,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:32:18" (1/1) ... [2024-11-25 03:32:18,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:32:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-25 03:32:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-25 03:32:18,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:32:18,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:18,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:32:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:32:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:18,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:32:18,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:18,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:32:20,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:32:21,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:32:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 03:32:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 03:32:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:32:21,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:32:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:32:25,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:32:29,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:32:29,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 03:32:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 03:32:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:32:29,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:29,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:32:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:32:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:29,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:32:29,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:32:45,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:32:47,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:32:57,966 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification. DAG size of input: 37 DAG size of output: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:33:20,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:33:30,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:33:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:31,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-25 03:33:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 03:33:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:33:31,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:33:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:33:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:31,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:33:31,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:00,254 WARN L286 SmtUtils]: Spent 11.32s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:34:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:34:46,030 WARN L286 SmtUtils]: Spent 13.14s on a formula simplification. DAG size of input: 69 DAG size of output: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:34:57,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:36:33,867 WARN L286 SmtUtils]: Spent 19.02s on a formula simplification. DAG size of input: 73 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:37:10,136 WARN L286 SmtUtils]: Spent 10.28s on a formula simplification. DAG size of input: 74 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:37:33,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:37:33,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:37:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:37:33,153 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:37:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:37:33,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:37:33,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:37:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:37:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:37:33,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 03:37:33,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:38:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 03:38:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:38:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:38:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:38:48,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:48,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:38:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:48,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:38:48,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:39:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 03:39:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:39:24,733 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:39:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:39:24,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:24,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:39:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:24,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:39:24,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:39:52,122 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:39:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:39:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:39:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:39:54,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:54,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:39:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:39:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:54,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:39:54,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:40:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:47,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:40:47,619 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:40:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:40:47,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:47,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:40:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:47,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:40:47,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:53,970 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:41:12,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:41:17,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:41:17,287 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:41:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:41:17,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:17,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:41:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:41:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:17,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:41:17,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:43:06,911 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse13 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (let ((.cse0 (* .cse13 .cse13)) (.cse11 (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1|))) (let ((.cse1 (<= .cse13 100)) (.cse2 (<= (+ 3 .cse0) .cse11)) (.cse3 (= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 4) .cse0)) (.cse5 (= 5 |c_ULTIMATE.start_main_~v~0#1|)) (.cse8 (= |c_ULTIMATE.start_main_~v~0#1| 1)) (.cse9 (= 3 |c_ULTIMATE.start_main_~v~0#1|)) (.cse4 (= (mod (+ |c_ULTIMATE.start_main_~u~0#1| 1) 2) 0))) (and (or (and (<= (+ 2 |c_ULTIMATE.start_main_~A~0#1|) .cse0) .cse1 .cse2 .cse3 .cse4 .cse5) (let ((.cse6 (+ 2 |c_ULTIMATE.start_main_~r~0#1|)) (.cse7 (div (+ |c_ULTIMATE.start_main_~u~0#1| (- 5)) 2))) (and (<= .cse6 |c_ULTIMATE.start_main_~u~0#1|) (<= 0 .cse7) (= (+ 6 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) (+ (* .cse7 .cse7) (* |c_ULTIMATE.start_main_~u~0#1| 2))) (not (= .cse6 |c_ULTIMATE.start_main_~u~0#1|)) .cse4 (<= .cse7 100) .cse8)) (let ((.cse12 (div (+ |c_ULTIMATE.start_main_~u~0#1| (- 3)) 2))) (let ((.cse10 (* .cse12 .cse12))) (and .cse9 (<= .cse10 |c_ULTIMATE.start_main_~A~0#1|) (<= (+ 5 .cse10) .cse11) (<= 0 |c_ULTIMATE.start_main_~r~0#1|) .cse4 (= (+ 3 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) (+ .cse10 |c_ULTIMATE.start_main_~u~0#1|)) (<= .cse12 100))))) (not (and (<= 3 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~v~0#1|)) .cse1 .cse2 .cse3 .cse4 .cse5)) (not (and (= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) .cse4 .cse8)) (not (and .cse9 (<= (+ |c_ULTIMATE.start_main_~A~0#1| 1) .cse0) .cse4 (= .cse0 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1)))))))) is different from false [2024-11-25 03:43:38,979 WARN L286 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:43:48,992 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse13 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (let ((.cse0 (* .cse13 .cse13)) (.cse11 (+ |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~A~0#1|))) (let ((.cse1 (<= .cse13 100)) (.cse2 (<= (+ 3 .cse0) .cse11)) (.cse3 (= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 4) .cse0)) (.cse5 (= 5 |c_ULTIMATE.start_main_~v~0#1|)) (.cse8 (= |c_ULTIMATE.start_main_~v~0#1| 1)) (.cse9 (= 3 |c_ULTIMATE.start_main_~v~0#1|)) (.cse4 (= (mod (+ |c_ULTIMATE.start_main_~u~0#1| 1) 2) 0))) (and (or (and (<= (+ 2 |c_ULTIMATE.start_main_~A~0#1|) .cse0) .cse1 .cse2 .cse3 .cse4 .cse5) (let ((.cse6 (+ 2 |c_ULTIMATE.start_main_~r~0#1|)) (.cse7 (div (+ |c_ULTIMATE.start_main_~u~0#1| (- 5)) 2))) (and (<= .cse6 |c_ULTIMATE.start_main_~u~0#1|) (<= 0 .cse7) (= (+ 6 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) (+ (* .cse7 .cse7) (* |c_ULTIMATE.start_main_~u~0#1| 2))) (not (= .cse6 |c_ULTIMATE.start_main_~u~0#1|)) .cse4 (<= .cse7 100) .cse8)) (let ((.cse12 (div (+ |c_ULTIMATE.start_main_~u~0#1| (- 3)) 2))) (let ((.cse10 (* .cse12 .cse12))) (and .cse9 (<= .cse10 |c_ULTIMATE.start_main_~A~0#1|) (<= (+ 5 .cse10) .cse11) (<= 0 |c_ULTIMATE.start_main_~r~0#1|) .cse4 (= (+ 3 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) (+ .cse10 |c_ULTIMATE.start_main_~u~0#1|)) (<= .cse12 100))))) (not (and (<= 3 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~v~0#1|)) .cse1 .cse2 .cse3 .cse4 .cse5)) (not (and (= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) .cse4 .cse8)) (not (and .cse9 (<= (+ |c_ULTIMATE.start_main_~A~0#1| 1) .cse0) .cse4 (= .cse0 (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1))))))))) is different from true [2024-11-25 03:43:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2024-11-25 03:43:48,999 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-11-25 03:43:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:43:49,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:43:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:43:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:49,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:43:49,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:44:25,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:44:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:44:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:44:25,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:25,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:44:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:44:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:25,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 03:44:25,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:45:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 03:45:41,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:45:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:45:41,094 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:45:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:45:41,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:45:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:45:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:45:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:45:41,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:45:41,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:46:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 03:46:21,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2024-11-25 03:46:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-11-25 03:46:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:46:21,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:46:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:46:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:21,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:46:21,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:47:42,352 WARN L286 SmtUtils]: Spent 11.13s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)