./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/fermat1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL --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 c5787d4099664297951b30a30ca371dd536df07843738ed8698fe723430a974c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:41:42,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:41:42,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:41:42,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:41:42,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:41:42,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:41:42,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:41:42,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:41:42,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:41:42,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:41:42,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:41:42,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:41:42,802 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:41:42,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:41:42,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:41:42,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:41:42,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:41:42,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:41:42,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:41:42,806 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:41:42,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:41:42,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:41:42,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:41:42,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:41:42,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:41:42,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:41:42,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:41:42,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:41:42,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:42,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:41:42,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:41:42,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:41:42,813 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:41:42,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:41:42,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:41:42,814 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_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5787d4099664297951b30a30ca371dd536df07843738ed8698fe723430a974c [2023-11-19 02:41:43,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:41:43,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:41:43,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:41:43,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:41:43,181 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:41:43,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/fermat1-ll.c [2023-11-19 02:41:46,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:41:46,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:41:46,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/sv-benchmarks/c/nla-digbench/fermat1-ll.c [2023-11-19 02:41:46,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/data/406030709/f9d280abc6d34b7ba389d06dc32f0da3/FLAGba0ee005d [2023-11-19 02:41:46,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/data/406030709/f9d280abc6d34b7ba389d06dc32f0da3 [2023-11-19 02:41:46,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:41:46,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:41:46,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:46,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:41:46,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:41:46,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65dea7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46, skipping insertion in model container [2023-11-19 02:41:46,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:41:46,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:46,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:41:46,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:46,862 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:41:46,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46 WrapperNode [2023-11-19 02:41:46,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:46,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:46,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:41:46,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:41:46,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,915 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2023-11-19 02:41:46,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:46,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:41:46,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:41:46,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:41:46,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:41:46,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:41:46,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:41:46,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:41:46,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:46" (1/1) ... [2023-11-19 02:41:46,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:41:47,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:41:47,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09cb4e2d-f07c-48e3-ba79-ef431194b18e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:41:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:41:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:41:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:41:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:41:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:41:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:41:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:41:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:41:47,153 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:41:47,155 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:41:47,818 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:41:47,851 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:41:47,851 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:41:47,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:47 BoogieIcfgContainer [2023-11-19 02:41:47,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:41:47,861 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:41:47,861 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:41:47,872 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:41:47,872 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:47" (1/1) ... [2023-11-19 02:41:47,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:41:47,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 203 states and 212 transitions. [2023-11-19 02:41:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 212 transitions. [2023-11-19 02:41:47,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:41:47,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:47,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 202 states and 211 transitions. [2023-11-19 02:41:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 211 transitions. [2023-11-19 02:41:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:41:48,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 201 states and 210 transitions. [2023-11-19 02:41:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 210 transitions. [2023-11-19 02:41:48,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:41:48,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 200 states and 209 transitions. [2023-11-19 02:41:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 209 transitions. [2023-11-19 02:41:48,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:41:48,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 199 states and 208 transitions. [2023-11-19 02:41:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 208 transitions. [2023-11-19 02:41:48,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:41:48,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 198 states and 207 transitions. [2023-11-19 02:41:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 207 transitions. [2023-11-19 02:41:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:41:48,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:48,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 197 states and 206 transitions. [2023-11-19 02:41:48,504 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 206 transitions. [2023-11-19 02:41:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:41:48,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:48,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 196 states and 205 transitions. [2023-11-19 02:41:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 205 transitions. [2023-11-19 02:41:48,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:41:48,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:48,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 195 states and 204 transitions. [2023-11-19 02:41:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 204 transitions. [2023-11-19 02:41:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:41:48,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:48,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 194 states and 203 transitions. [2023-11-19 02:41:48,907 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 203 transitions. [2023-11-19 02:41:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:41:48,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:48,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:48,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:48,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 193 states and 202 transitions. [2023-11-19 02:41:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 202 transitions. [2023-11-19 02:41:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:41:49,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:49,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:49,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:49,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:49,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:49,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 192 states and 201 transitions. [2023-11-19 02:41:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 201 transitions. [2023-11-19 02:41:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:41:49,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:49,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:49,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:41:49,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:41:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 191 states and 200 transitions. [2023-11-19 02:41:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2023-11-19 02:41:49,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:41:49,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:49,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:49,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:41:49,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 190 states and 199 transitions. [2023-11-19 02:41:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 199 transitions. [2023-11-19 02:41:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:41:50,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:50,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:41:50,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:41:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 189 states and 198 transitions. [2023-11-19 02:41:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 198 transitions. [2023-11-19 02:41:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:41:50,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:50,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:50,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:50,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 189 states and 196 transitions. [2023-11-19 02:41:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 196 transitions. [2023-11-19 02:41:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:41:50,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:50,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:50,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 191 states and 199 transitions. [2023-11-19 02:41:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 199 transitions. [2023-11-19 02:41:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:41:50,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:50,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:50,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:50,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:52,491 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 [2023-11-19 02:41:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.