./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC --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 a8eb1c4cff73de825c0246f8cf2782e4a89e8227445b840b0a85ffef021d29c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:35,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:35,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:22:35,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:35,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:35,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:35,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:35,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:35,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:35,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:35,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:35,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:35,634 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:35,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:35,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:35,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:35,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:35,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:35,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:35,639 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:35,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:35,641 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:35,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:35,643 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:35,644 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:35,644 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:35,645 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:35,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:35,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:35,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:35,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:35,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:35,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:35,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:35,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:35,651 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_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8eb1c4cff73de825c0246f8cf2782e4a89e8227445b840b0a85ffef021d29c3 [2023-11-23 20:22:36,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:36,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:36,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:36,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:36,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:36,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c [2023-11-23 20:22:39,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:39,721 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:39,722 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c [2023-11-23 20:22:39,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/data/41af724ed/06d45c74ef204cf997c4f686975909cf/FLAG278039792 [2023-11-23 20:22:39,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/data/41af724ed/06d45c74ef204cf997c4f686975909cf [2023-11-23 20:22:39,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:39,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:39,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:39,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:39,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:39,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e6a3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:39, skipping insertion in model container [2023-11-23 20:22:39,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:39" (1/1) ... [2023-11-23 20:22:39,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:40,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:40,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:40,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:40,075 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:40,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40 WrapperNode [2023-11-23 20:22:40,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:40,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:40,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:40,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:40,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,123 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-23 20:22:40,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:40,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:40,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:40,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:40,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:40,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:40,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:40,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:40,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:40" (1/1) ... [2023-11-23 20:22:40,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:40,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:40,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:40,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c550f9ff-68b4-4748-b66d-4653c0e694fa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:22:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:22:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:22:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:22:40,344 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:40,347 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:40,929 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:41,006 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:41,006 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:22:41,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:41 BoogieIcfgContainer [2023-11-23 20:22:41,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:41,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:41,010 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:41,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:41,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:41" (1/1) ... [2023-11-23 20:22:41,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2023-11-23 20:22:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2023-11-23 20:22:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:22:41,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2023-11-23 20:22:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2023-11-23 20:22:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:22:41,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 129 states and 134 transitions. [2023-11-23 20:22:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2023-11-23 20:22:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:22:41,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 128 states and 133 transitions. [2023-11-23 20:22:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2023-11-23 20:22:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:22:41,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2023-11-23 20:22:41,839 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2023-11-23 20:22:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:22:41,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 126 states and 131 transitions. [2023-11-23 20:22:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2023-11-23 20:22:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:22:41,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:41,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:41,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:42,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 125 states and 130 transitions. [2023-11-23 20:22:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2023-11-23 20:22:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:22:42,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:42,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 124 states and 129 transitions. [2023-11-23 20:22:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2023-11-23 20:22:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:22:42,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:42,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:42,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 123 states and 128 transitions. [2023-11-23 20:22:42,367 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2023-11-23 20:22:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:22:42,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:42,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 122 states and 127 transitions. [2023-11-23 20:22:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2023-11-23 20:22:42,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:22:42,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:42,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 121 states and 126 transitions. [2023-11-23 20:22:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2023-11-23 20:22:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:22:42,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:22:42,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 120 states and 125 transitions. [2023-11-23 20:22:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 125 transitions. [2023-11-23 20:22:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:22:42,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:22:42,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:22:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 124 transitions. [2023-11-23 20:22:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2023-11-23 20:22:43,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:22:43,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:43,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:43,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 123 transitions. [2023-11-23 20:22:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2023-11-23 20:22:43,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:22:43,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:43,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:43,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:22:43,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:22:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 117 states and 122 transitions. [2023-11-23 20:22:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2023-11-23 20:22:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:22:44,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:44,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:44,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:22:44,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 117 states and 121 transitions. [2023-11-23 20:22:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2023-11-23 20:22:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:22:44,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:44,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:44,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 119 states and 125 transitions. [2023-11-23 20:22:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2023-11-23 20:22:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:22:46,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:46,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:46,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:46,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 122 states and 130 transitions. [2023-11-23 20:22:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2023-11-23 20:22:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:22:48,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:48,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:48,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:48,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 127 states and 141 transitions. [2023-11-23 20:22:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 141 transitions. [2023-11-23 20:22:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:22:49,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:49,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:49,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:49,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 132 states and 152 transitions. [2023-11-23 20:22:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2023-11-23 20:22:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:22:51,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:51,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:51,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:51,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:22:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 138 states and 165 transitions. [2023-11-23 20:22:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2023-11-23 20:22:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:22:53,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:53,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:53,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:53,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:55,609 WARN L876 $PredicateComparison]: unable to prove that (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 true [2023-11-23 20:22:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:23:07,526 WARN L293 SmtUtils]: Spent 9.38s 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) [2023-11-23 20:23:17,546 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