./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.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_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/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_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/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_ec6eb42e-908d-45b4-ac01-b89b53150294/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 c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:32,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:32,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:24:32,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:32,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:32,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:32,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:32,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:32,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:32,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:32,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:32,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:32,340 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:24:32,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:32,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:24:32,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:32,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:32,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:32,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:32,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:32,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:32,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:24:32,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:32,348 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:32,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:32,349 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:32,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:32,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:32,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:32,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:32,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:32,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:32,371 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:32,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:32,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:32,373 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_ec6eb42e-908d-45b4-ac01-b89b53150294/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b [2023-11-23 20:24:32,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:32,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:32,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:32,681 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:32,681 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:32,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-11-23 20:24:35,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:24:36,127 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:24:36,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-11-23 20:24:36,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/data/5466fe1dc/28b65d767dbc4674b79125c549e21dd8/FLAGffea68c8d [2023-11-23 20:24:36,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/data/5466fe1dc/28b65d767dbc4674b79125c549e21dd8 [2023-11-23 20:24:36,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:24:36,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:24:36,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:36,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:24:36,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:24:36,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586b9d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36, skipping insertion in model container [2023-11-23 20:24:36,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:24:36,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:36,786 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:24:36,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:24:36,838 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:24:36,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36 WrapperNode [2023-11-23 20:24:36,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:24:36,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:36,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:24:36,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:24:36,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,880 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-23 20:24:36,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:24:36,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:24:36,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:24:36,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:24:36,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:24:36,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:24:36,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:24:36,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:24:36,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:24:36" (1/1) ... [2023-11-23 20:24:36,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:36,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:24:36,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:24:36,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:24:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:24:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:24:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:24:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:24:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:24:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:24:37,064 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:24:37,067 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:24:37,511 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:24:37,552 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:24:37,553 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:24:37,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:37 BoogieIcfgContainer [2023-11-23 20:24:37,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:24:37,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:24:37,556 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:24:37,568 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:24:37,568 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:37" (1/1) ... [2023-11-23 20:24:37,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:24:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-23 20:24:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-23 20:24:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:24:37,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:37,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:37,964 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 20:24:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:38,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-23 20:24:38,031 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-23 20:24:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:24:38,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:38,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:38,156 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 20:24:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-23 20:24:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-23 20:24:38,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:24:38,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:38,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:38,285 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 20:24:38,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:38,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-23 20:24:38,312 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 20:24:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:24:38,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:38,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:38,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:38,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:38,480 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 20:24:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-23 20:24:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-23 20:24:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:24:38,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:38,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:38,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:38,838 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 20:24:38,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-23 20:24:38,876 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-23 20:24:38,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:24:38,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:38,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:38,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:24:38,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-23 20:24:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-23 20:24:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:24:39,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:39,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:39,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:40,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-23 20:24:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-23 20:24:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:24:40,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:40,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:40,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:24:40,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:41,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-23 20:24:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-23 20:24:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:24:41,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:41,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:41,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:24:41,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-23 20:24:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-23 20:24:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:24:42,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:42,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:42,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:24:42,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:42,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-23 20:24:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-23 20:24:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:24:43,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:43,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:24:43,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:43,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:43,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-23 20:24:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-23 20:24:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:24:43,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:43,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:24:43,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 265 transitions. [2023-11-23 20:24:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2023-11-23 20:24:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:24:45,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:45,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:45,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:45,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:46,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 266 transitions. [2023-11-23 20:24:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2023-11-23 20:24:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:24:46,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:46,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:46,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:24:46,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:46,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 148 states and 267 transitions. [2023-11-23 20:24:46,123 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2023-11-23 20:24:46,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:24:46,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:46,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:46,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:24:46,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 154 states and 278 transitions. [2023-11-23 20:24:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2023-11-23 20:24:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:24:47,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:47,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:47,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:47,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:50,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 167 states and 305 transitions. [2023-11-23 20:24:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 305 transitions. [2023-11-23 20:24:50,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:24:50,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:50,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:50,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:50,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 174 states and 316 transitions. [2023-11-23 20:24:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 316 transitions. [2023-11-23 20:24:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:24:51,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:52,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:52,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 182 states and 330 transitions. [2023-11-23 20:24:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 330 transitions. [2023-11-23 20:24:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:24:53,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:53,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:53,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:24:53,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:24:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 182 states and 325 transitions. [2023-11-23 20:24:54,338 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 325 transitions. [2023-11-23 20:24:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:24:54,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:54,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:54,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:24:54,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:24:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 186 states and 341 transitions. [2023-11-23 20:24:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 341 transitions. [2023-11-23 20:24:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:24:55,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:55,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:55,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:55,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:24:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 190 states and 348 transitions. [2023-11-23 20:24:56,494 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 348 transitions. [2023-11-23 20:24:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:24:56,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:56,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:56,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:56,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:24:57,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 106 states and 152 transitions. [2023-11-23 20:24:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2023-11-23 20:24:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:24:57,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:57,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:57,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:24:57,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 20:24:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:24:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 51 states and 64 transitions. [2023-11-23 20:24:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-23 20:24:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:24:59,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:24:59,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:24:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:24:59,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:24:59,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:24:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:25:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 46 states and 56 transitions. [2023-11-23 20:25:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-23 20:25:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:25:03,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:03,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:03,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:03,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 20:25:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:10,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 45 states and 55 transitions. [2023-11-23 20:25:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-23 20:25:10,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:25:10,807 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-23 20:25:10,817 INFO L751 CodeCheckObserver]: All specifications hold 28 specifications checked. All of them hold [2023-11-23 20:25:11,383 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-23 20:25:11,391 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:25:11,391 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:25:11,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:25:11 ImpRootNode [2023-11-23 20:25:11,392 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:25:11,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:25:11,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:25:11,393 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:25:11,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:24:37" (3/4) ... [2023-11-23 20:25:11,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:25:11,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:25:11,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-23 20:25:11,408 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-23 20:25:11,408 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:25:11,409 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:25:11,409 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:25:11,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:25:11,534 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:25:11,534 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:25:11,535 INFO L158 Benchmark]: Toolchain (without parser) took 35051.80ms. Allocated memory was 130.0MB in the beginning and 358.6MB in the end (delta: 228.6MB). Free memory was 97.2MB in the beginning and 190.6MB in the end (delta: -93.4MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2023-11-23 20:25:11,536 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:11,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.98ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 86.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:25:11,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.19ms. Allocated memory is still 130.0MB. Free memory was 86.3MB in the beginning and 84.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:11,538 INFO L158 Benchmark]: Boogie Preprocessor took 28.00ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 83.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:11,538 INFO L158 Benchmark]: RCFGBuilder took 644.95ms. Allocated memory is still 130.0MB. Free memory was 83.3MB in the beginning and 66.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:25:11,539 INFO L158 Benchmark]: CodeCheck took 33836.28ms. Allocated memory was 130.0MB in the beginning and 358.6MB in the end (delta: 228.6MB). Free memory was 66.9MB in the beginning and 196.8MB in the end (delta: -129.9MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2023-11-23 20:25:11,539 INFO L158 Benchmark]: Witness Printer took 141.37ms. Allocated memory is still 358.6MB. Free memory was 195.9MB in the beginning and 190.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:25:11,542 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 75 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 33.2s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3985 SdHoareTripleChecker+Valid, 20.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2930 mSDsluCounter, 2216 SdHoareTripleChecker+Invalid, 16.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1070 mSDsCounter, 1901 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11975 IncrementalHoareTripleChecker+Invalid, 13876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1901 mSolverCounterUnsat, 1146 mSDtfsCounter, 11975 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6009 GetRequests, 5386 SyntacticMatches, 171 SemanticMatches, 452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112416 ImplicationChecksByTransitivity, 28.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 508 ConstructedInterpolants, 0 QuantifiedInterpolants, 1666 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2116 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 181/191 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((!((counter == 0)) || (((((r <= 2147483647) && (q == 0)) && (1 <= d)) && (d <= 1)) && (0 <= (r + 2147483648)))) || !(((p == 1) && (B == 1)))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.98ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 86.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.19ms. Allocated memory is still 130.0MB. Free memory was 86.3MB in the beginning and 84.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.00ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 83.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 644.95ms. Allocated memory is still 130.0MB. Free memory was 83.3MB in the beginning and 66.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 33836.28ms. Allocated memory was 130.0MB in the beginning and 358.6MB in the end (delta: 228.6MB). Free memory was 66.9MB in the beginning and 196.8MB in the end (delta: -129.9MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * Witness Printer took 141.37ms. Allocated memory is still 358.6MB. Free memory was 195.9MB in the beginning and 190.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:25:11,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6eb42e-908d-45b4-ac01-b89b53150294/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE