./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9 --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 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:40:19,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:40:19,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:40:19,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:40:19,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:40:19,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:40:19,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:40:19,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:40:19,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:40:19,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:40:19,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:40:19,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:40:19,967 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:40:19,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:40:19,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:40:19,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:40:19,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:40:19,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:40:19,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:40:19,970 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:40:19,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:40:19,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:40:19,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:40:19,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:40:19,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:40:19,972 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:40:19,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:40:19,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:40:19,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:40:19,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:40:19,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:40:19,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:40:19,974 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:40:19,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:40:19,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:40:19,975 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_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff [2023-12-03 01:40:20,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:40:20,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:40:20,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:40:20,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:40:20,217 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:40:20,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2023-12-03 01:40:22,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:40:23,121 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:40:23,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2023-12-03 01:40:23,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/data/6b9cd8396/705c379d62584e848250af491fda66ed/FLAG5e2c7bc18 [2023-12-03 01:40:23,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/data/6b9cd8396/705c379d62584e848250af491fda66ed [2023-12-03 01:40:23,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:40:23,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:40:23,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:40:23,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:40:23,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:40:23,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdc69f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23, skipping insertion in model container [2023-12-03 01:40:23,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:40:23,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:40:23,344 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:40:23,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:40:23,377 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:40:23,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23 WrapperNode [2023-12-03 01:40:23,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:40:23,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:40:23,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:40:23,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:40:23,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,416 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-12-03 01:40:23,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:40:23,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:40:23,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:40:23,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:40:23,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:40:23,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:40:23,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:40:23,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:40:23,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:40:23,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:40:23,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:40:23,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f94069b-1aab-47d8-8719-b43ee09344e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:40:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:40:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:40:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:40:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:40:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:40:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:40:23,574 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:40:23,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:40:23,810 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:40:23,842 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:40:23,843 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:40:23,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:40:23 BoogieIcfgContainer [2023-12-03 01:40:23,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:40:23,845 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:40:23,845 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:40:23,855 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:40:23,855 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:40:23" (1/1) ... [2023-12-03 01:40:23,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:40:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:23,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-12-03 01:40:23,905 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-12-03 01:40:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-03 01:40:23,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:23,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:23,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:40:24,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:24,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 73 states and 76 transitions. [2023-12-03 01:40:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-12-03 01:40:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:40:24,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:24,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:24,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:40:24,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:24,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 72 states and 75 transitions. [2023-12-03 01:40:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-12-03 01:40:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:40:24,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:24,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:24,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:40:24,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2023-12-03 01:40:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2023-12-03 01:40:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:40:24,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:24,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:24,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:40:24,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-12-03 01:40:24,402 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-12-03 01:40:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:40:24,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:24,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:24,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:40:24,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-12-03 01:40:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-12-03 01:40:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:40:24,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:24,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:24,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:40:24,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:24,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 78 states and 81 transitions. [2023-12-03 01:40:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2023-12-03 01:40:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:40:24,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:24,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:24,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:40:24,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 83 states and 87 transitions. [2023-12-03 01:40:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2023-12-03 01:40:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:40:25,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:25,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:25,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:40:25,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:27,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 89 states and 94 transitions. [2023-12-03 01:40:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2023-12-03 01:40:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:40:27,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:27,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:27,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:40:27,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:36,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 96 states and 103 transitions. [2023-12-03 01:40:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2023-12-03 01:40:36,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:40:36,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:36,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:36,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:40:36,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-12-03 01:40:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-12-03 01:40:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:40:43,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:43,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:43,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:40:43,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 113 states and 127 transitions. [2023-12-03 01:40:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2023-12-03 01:40:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:40:48,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:48,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:48,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:40:48,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:40:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:40:53,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 123 states and 142 transitions. [2023-12-03 01:40:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2023-12-03 01:40:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:40:53,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:40:53,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:40:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:40:53,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:40:53,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:40:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:41:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:41:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 134 states and 159 transitions. [2023-12-03 01:41:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2023-12-03 01:41:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:41:01,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:41:01,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:41:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:41:01,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:41:01,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:41:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:41:13,866 WARN L293 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 39 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:45:25,201 WARN L293 SmtUtils]: Spent 52.53s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:45:27,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:45:38,100 WARN L293 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:49:15,559 WARN L293 SmtUtils]: Spent 1.61m on a formula simplification. DAG size of input: 39 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:49:28,283 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse0 (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~a~0#1|) (<= |c_ULTIMATE.start_main_~x~0#1| 2147483647) (= |c_ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ .cse0 9223372036854775808)) (<= |c_ULTIMATE.start_main_#t~post7#1| 0) (<= 0 (+ |c_ULTIMATE.start_main_~x~0#1| 2147483648)) (<= 0 (+ |c_ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~x~0#1|) (not (exists ((|ULTIMATE.start_main_~a~0#1| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse1 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|))) (and (<= |c_ULTIMATE.start_main_~az~0#1| .cse1) (<= .cse1 9223372036854775807))))) (<= 0 |c_ULTIMATE.start_main_#t~post7#1|)))) is different from true [2023-12-03 01:49:41,523 WARN L293 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:49:51,530 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_main_~y~0#1| 1)) (.cse0 (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~a~0#1|) (<= |c_ULTIMATE.start_main_~x~0#1| 2147483647) .cse1 (not (and .cse1 (exists ((|ULTIMATE.start_main_~a~0#1| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse2 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|))) (and (<= |c_ULTIMATE.start_main_~az~0#1| .cse2) (<= .cse2 9223372036854775807)))))) (<= 0 (+ .cse0 9223372036854775808)) (<= |c_ULTIMATE.start_main_#t~post7#1| 0) (<= 0 (+ |c_ULTIMATE.start_main_~x~0#1| 2147483648)) (exists ((|ULTIMATE.start_main_~a~0#1| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse3 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|))) (and (<= 0 (+ 9223372036854775808 .cse3)) (<= .cse3 |c_ULTIMATE.start_main_~az~0#1|)))) (<= 0 (+ |c_ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~x~0#1|))) is different from false [2023-12-03 01:53:37,294 WARN L293 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 39 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:53:40,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:53:42,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 01:53:55,805 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_main_~y~0#1| 1)) (.cse0 (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~a~0#1|) (<= |c_ULTIMATE.start_main_~x~0#1| 2147483647) .cse1 (not (and .cse1 (exists ((|ULTIMATE.start_main_~a~0#1| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse2 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|))) (and (<= |c_ULTIMATE.start_main_~az~0#1| .cse2) (<= .cse2 9223372036854775807)))))) (<= 0 (+ .cse0 9223372036854775808)) (<= 0 (+ |c_ULTIMATE.start_main_~x~0#1| 2147483648)) (exists ((|ULTIMATE.start_main_~a~0#1| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse3 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~z~0#1|))) (and (<= 0 (+ 9223372036854775808 .cse3)) (<= .cse3 |c_ULTIMATE.start_main_~az~0#1|)))) (<= 0 (+ |c_ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~x~0#1|))) is different from false