./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi --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 7f97a505fe6488215cf15708661c3a7c87a5132fbff317a4b6f7f9cc44d66008 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:24,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:24,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:54:24,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:24,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:24,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:24,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:24,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:24,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:24,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:24,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:24,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:24,466 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:24,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:24,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:24,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:24,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:24,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:24,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:24,471 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:24,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:24,472 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:24,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:24,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:24,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:24,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:24,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:24,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:24,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:24,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:24,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:24,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:24,479 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:24,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:24,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:24,480 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_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f97a505fe6488215cf15708661c3a7c87a5132fbff317a4b6f7f9cc44d66008 [2023-11-24 22:54:24,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:24,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:24,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:24,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:24,873 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:24,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c [2023-11-24 22:54:28,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:28,365 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:28,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c [2023-11-24 22:54:28,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/data/34e706c22/6ebbaa53f71d4e91866f9c11a21fbd09/FLAGf10cdc517 [2023-11-24 22:54:28,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/data/34e706c22/6ebbaa53f71d4e91866f9c11a21fbd09 [2023-11-24 22:54:28,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:28,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:28,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:28,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:28,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:28,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f4c547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28, skipping insertion in model container [2023-11-24 22:54:28,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:28,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:28,640 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:28,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:28,683 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:28,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28 WrapperNode [2023-11-24 22:54:28,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:28,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:28,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:28,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:28,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,738 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2023-11-24 22:54:28,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:28,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:28,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:28,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:28,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:28,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:28,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:28,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:28,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:28" (1/1) ... [2023-11-24 22:54:28,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:28,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:28,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:28,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c8ad6ec-2cfe-4ca3-9ea3-8cf39fcbd79a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:54:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:54:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:28,945 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:28,947 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:29,825 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:29,870 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:29,870 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:54:29,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:29 BoogieIcfgContainer [2023-11-24 22:54:29,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:29,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:29,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:29,884 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:29,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:29" (1/1) ... [2023-11-24 22:54:29,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:29,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:29,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 218 states and 230 transitions. [2023-11-24 22:54:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2023-11-24 22:54:29,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:54:29,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:29,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 217 states and 229 transitions. [2023-11-24 22:54:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 229 transitions. [2023-11-24 22:54:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:30,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 216 states and 228 transitions. [2023-11-24 22:54:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 228 transitions. [2023-11-24 22:54:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:30,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 215 states and 227 transitions. [2023-11-24 22:54:30,428 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2023-11-24 22:54:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:54:30,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 214 states and 226 transitions. [2023-11-24 22:54:30,520 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2023-11-24 22:54:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:30,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 213 states and 225 transitions. [2023-11-24 22:54:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 225 transitions. [2023-11-24 22:54:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:30,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:30,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 212 states and 224 transitions. [2023-11-24 22:54:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2023-11-24 22:54:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:30,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:30,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 211 states and 223 transitions. [2023-11-24 22:54:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 223 transitions. [2023-11-24 22:54:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:30,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:30,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 210 states and 222 transitions. [2023-11-24 22:54:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2023-11-24 22:54:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:31,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:31,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:31,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 209 states and 221 transitions. [2023-11-24 22:54:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 221 transitions. [2023-11-24 22:54:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:31,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:31,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:31,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:31,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 208 states and 220 transitions. [2023-11-24 22:54:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 220 transitions. [2023-11-24 22:54:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:54:31,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:31,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:54:31,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:31,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 207 states and 219 transitions. [2023-11-24 22:54:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2023-11-24 22:54:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:31,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:54:31,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 206 states and 218 transitions. [2023-11-24 22:54:32,228 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-11-24 22:54:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:32,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:32,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:32,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 205 states and 217 transitions. [2023-11-24 22:54:32,541 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2023-11-24 22:54:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:54:32,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:32,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:54:32,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 204 states and 216 transitions. [2023-11-24 22:54:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2023-11-24 22:54:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:54:33,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:33,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:33,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 206 states and 218 transitions. [2023-11-24 22:54:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-11-24 22:54:34,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:54:34,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:34,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:34,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:36,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 22:54:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 209 states and 223 transitions. [2023-11-24 22:54:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2023-11-24 22:54:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:37,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:37,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:37,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:38,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 214 states and 234 transitions. [2023-11-24 22:54:38,175 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 234 transitions. [2023-11-24 22:54:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:38,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:38,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:38,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 219 states and 245 transitions. [2023-11-24 22:54:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 245 transitions. [2023-11-24 22:54:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:39,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:39,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 225 states and 258 transitions. [2023-11-24 22:54:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2023-11-24 22:54:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:41,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:41,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:41,553 INFO L285 TraceCheckSpWp]: Computing forward predicates...